svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / rendering / legend / styling / AttrInTableLabelingStrategy.java @ 24711
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package org.gvsig.fmap.mapcontext.rendering.legend.styling; |
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import java.awt.Color; |
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import java.awt.Font; |
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import java.awt.Graphics2D; |
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import java.awt.image.BufferedImage; |
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import java.util.Iterator; |
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import java.util.Vector; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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import javax.print.attribute.PrintRequestAttributeSet; |
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import javax.print.attribute.standard.PrintQuality; |
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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.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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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.FeatureType; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.operation.CreateLabels; |
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import org.gvsig.fmap.geom.operation.CreateLabelsOperationContext; |
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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.Point2D; |
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import org.gvsig.fmap.geom.utils.FConstant; |
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import org.gvsig.fmap.geom.utils.FLabel; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontext.rendering.legend.NullValue; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupportToolkit; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.SimpleTextSymbol; |
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import org.gvsig.tools.evaluator.sqljep.SQLJEPEvaluator; |
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import org.gvsig.tools.exception.BaseException; |
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import com.iver.utiles.StringUtilities; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.utiles.swing.threads.Cancellable; |
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/**
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* LabelingStrategy used when the user wants to use label sizes, rotations, etc. from
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* the values included in fields of the datasource's table
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*
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*/
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public class AttrInTableLabelingStrategy implements ILabelingStrategy, CartographicSupport { |
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public static final double MIN_TEXT_SIZE = 3; |
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private ILabelingMethod method = new DefaultLabelingMethod(); |
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private IZoomConstraints zoom;
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private int idTextField; |
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private int idHeightField; |
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private int idRotationField; |
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private FLyrVect layer;
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// private double unitFactor = 1D;
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private double fixedSize; |
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private int unit = -1; //(pixel) |
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private boolean useFixedSize; |
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private int referenceSystem; |
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private boolean isPrinting; |
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private double printDPI; |
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private String[] usedFields = null; |
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private Font font; |
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private Color colorFont; |
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public ILabelingMethod getLabelingMethod() {
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return this.method; |
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} |
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public void setLabelingMethod(ILabelingMethod method) { |
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this.method = method;
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} |
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public IPlacementConstraints getPlacementConstraints() {
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return null; // (automatically handled by the driver) |
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} |
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public void setPlacementConstraints(IPlacementConstraints constraints) { |
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// nothing
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} |
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public IZoomConstraints getZoomConstraints() {
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return zoom;
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} |
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public void setZoomConstraints(IZoomConstraints constraints) { |
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this.zoom = constraints;
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} |
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double dpi) |
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throws ReadException {
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double scale = viewPort.getScale();
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double fontScaleFactor = FConstant.FONT_HEIGHT_SCALE_FACTOR;
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SimpleTextSymbol sym = new SimpleTextSymbol();
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sym.setFont(getFont()); |
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sym.setTextColor(getColorFont()); |
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sym.setUnit(unit); |
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sym.setReferenceSystem(referenceSystem); |
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if (zoom==null || |
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( zoom.isUserDefined() && (scale >= zoom.getMaxScale()) |
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&& (scale <= zoom.getMinScale()) ) ) {
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FeatureSet collection = null;
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try {
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// limit the labeling to the visible extent
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// FBitSet bs = layer.queryByRect(viewPort.getAdjustedExtent());
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String featureFilter = null; |
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String[] fields = this.getUsedFields(); |
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FeatureStore featureStore=layer.getFeatureStore(); |
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if (!viewPort.getAdjustedExtent().contains(
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(Envelope) featureStore.getMetadata().get( |
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"extent"))) {
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featureFilter=layer.getDataStoreFilterForGeomerty( |
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viewPort.getAdjustedExtent().getGeometry(), |
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layer.getFeatureStore().getDefaultFeatureType().getDefaultGeometryAttributeName(), |
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null);
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} |
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String[] oldFields = fields; |
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fields = new String[oldFields.length + 1]; |
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fields[0] = featureStore.getDefaultFeatureType()
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.getDefaultGeometryAttributeName(); |
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System.arraycopy(oldFields, 0, fields, 1, oldFields.length); |
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FeatureQuery featureQuery=featureStore.createFeatureQuery(); |
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featureQuery.setAttributeNames(fields); |
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??featureQuery.setFilter(new SQLJEPEvaluator(featureFilter));
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collection = (FeatureSet)featureStore |
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.getFeatureSet(featureQuery); |
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// ReadableVectorial source = layer.getSource();
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// SelectableDataSource recordSet = source.getRecordset();
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Iterator iterator=collection.iterator();
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CreateLabelsOperationContext cloc=new CreateLabelsOperationContext();
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cloc.setDublicates(true);
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cloc.setPosition(0);
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while(iterator.hasNext()){
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if (cancel.isCanceled()){
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return;
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} |
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Feature feature=(Feature)iterator.next(); |
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// for(int i=bs.nextSetBit(0); i>=0 && !cancel.isCanceled(); i=bs.nextSetBit(i+1)) {
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// Value[] vv = recordSet.getRow(i);
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double size;
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if (useFixedSize){
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// uses fixed size
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size = fixedSize * fontScaleFactor; |
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} else if (idHeightField != -1) { |
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// text size is defined in the table
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try {
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Object obj=feature.get(idHeightField);
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if (obj!=null) { |
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size = ((Number) obj).doubleValue() * fontScaleFactor;
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} else {
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size=0;
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} |
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} catch (ClassCastException ccEx) { |
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if (!NullValue.class.equals(feature.get(idHeightField).getClass())) {
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throw new ReadException("Unknown", ccEx); |
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} |
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// a null value
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Logger.getAnonymousLogger().
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warning("Null text height value for text '"+feature.get(idTextField).toString()+"'"); |
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continue;
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} |
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} else {
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// otherwise will use the size in the symbol
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size = sym.getFont().getSize(); |
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} |
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size = CartographicSupportToolkit. |
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getCartographicLength(this,
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size, |
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viewPort, |
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MapContext.getScreenDPI()); |
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// dpi);
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// toScreenUnitYAxis(this,
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// size,
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// viewPort
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// );
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if (size <= MIN_TEXT_SIZE) {
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// label is too small to be readable, will be skipped
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// this speeds up the rendering in wider zooms
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continue;
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} |
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sym.setFontSize(size); |
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double rotation = 0D; |
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if (idRotationField!= -1) { |
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// text rotation is defined in the table
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rotation = -Math.toRadians(((Number) feature.get(idRotationField)).doubleValue()); |
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} |
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Geometry geom = (Geometry)feature.getDefaultGeometry(); |
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Object obj=feature.get(idTextField);
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if (obj!=null) { |
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sym.setText(obj.toString()); |
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} |
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sym.setRotation(rotation); |
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FLabel[] aux =(FLabel[])geom.invokeOperation(CreateLabels.CODE,cloc); |
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// FLabel[] aux = geom.createLabels(0, true);
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for (int j = 0; j < aux.length; j++) { |
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Point2D p = new Point2D(aux[j].getOrig()); |
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p.transform(viewPort.getAffineTransform()); |
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sym.draw(g, null, p, cancel);
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} |
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} |
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} catch (GeometryOperationNotSupportedException e) {
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throw new ReadException( |
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"Could not draw annotation in the layer.", e);
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} catch (GeometryOperationException e) {
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throw new ReadException( |
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"Could not draw annotation in the layer.", e);
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} catch (BaseException e) {
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throw new ReadException( |
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"Could not draw annotation in the layer.", e);
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} finally {
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if (collection != null) { |
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collection.dispose(); |
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} |
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} |
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} |
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} |
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public String getClassName() { |
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return getClass().getName();
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} |
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public XMLEntity getXMLEntity() {
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XMLEntity xml = new XMLEntity();
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xml.putProperty("className", getClassName());
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try {
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xml.putProperty("HeightField", getHeightField());
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} catch (DataException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing TextHeight field.\n"+e.getMessage()); |
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} |
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try {
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xml.putProperty("TextField", getTextField());
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} catch (DataException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing TextField field.\n"+e.getMessage()); |
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} |
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try {
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xml.putProperty("RotationField", getRotationField());
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} catch (DataException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, "Acessing RotationField field.\n"+e.getMessage()); |
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} |
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if (getFont() != null) { |
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xml.putProperty("fontName", getFont().getFontName());
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xml.putProperty("fontStyle", getFont().getStyle());
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xml.putProperty("fontSize", getFont().getFontName());
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} |
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if (getColorFont() != null) { |
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xml.putProperty("color", StringUtilities
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.color2String(getColorFont())); |
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} |
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xml.putProperty("Unit", unit);
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return xml;
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} |
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public String getRotationField() throws DataException { |
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if (idRotationField == -1) { |
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return null; |
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} |
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return ((FeatureAttributeDescriptor)((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).get(idRotationField)).getName(); |
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} |
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public int getRotationFieldId() { |
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return idRotationField;
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} |
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public void setRotationFieldId(int fieldId) { |
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this.idRotationField = fieldId;
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this.usedFields = null; |
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} |
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public String getTextField() throws DataException { |
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if (idTextField == -1) { |
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return null; |
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} |
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return ((FeatureAttributeDescriptor)((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).get(idTextField)).getName(); |
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} |
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public int getTextFieldId() { |
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return idTextField;
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} |
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public void setTextFieldId(int fieldId) { |
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this.idTextField = fieldId;
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this.usedFields = null; |
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} |
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public String getHeightField() throws DataException { |
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if (idHeightField == -1) { |
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return null; |
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} |
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return ((FeatureAttributeDescriptor)((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).get(idHeightField)).getName(); |
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} |
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public int getHeightFieldId() { |
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return idHeightField;
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} |
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public void setHeightFieldId(int fieldId) { |
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this.idHeightField = fieldId;
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this.usedFields = null; |
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} |
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public void setXMLEntity(XMLEntity xml) { |
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this.usedFields = null; |
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if (xml.contains("TextField" )) { |
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setTextField(xml.getStringProperty("TextField"));
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} |
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if (xml.contains("HeightField")) { |
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setHeightField("HeightField");
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} |
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if (xml.contains("RotationField")) { |
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setRotationField("RotationField");
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} |
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if (xml.contains("UnitFactor")) { |
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setUnit(xml.getIntProperty("Unit"));
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} |
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if (xml.contains("fontName")) { |
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Font newFont = new Font(xml.getStringProperty("fontName"), xml |
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.getIntProperty("fontStyle"), xml
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.getIntProperty("fontSize"));
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setFont(newFont); |
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} |
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if (xml.contains("color")) { |
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Color newColor = StringUtilities.string2Color(xml
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.getStringProperty("color"));
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setColorFont(newColor); |
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} |
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} |
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public void setTextField(String textFieldName) { |
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try {
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idTextField = ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getIndex(textFieldName);
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this.usedFields = null; |
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} catch (ReadException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} catch (DataException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} |
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} |
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public void setRotationField(String rotationFieldName) { |
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if (rotationFieldName != null) { |
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try {
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idRotationField = ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getIndex(rotationFieldName);
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} catch (ReadException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} catch (DataException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} |
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} else {
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idRotationField = -1;
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} |
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this.usedFields = null; |
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} |
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/**
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* Sets the field that contains the size of the text. The size is computed
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* in meters. To use any other unit, call setUnit(int) with the scale factor from meters
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* (for centimeters, call <b>setUnitFactor(0.01))</b>.
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* @param heightFieldName
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*/
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public void setHeightField(String heightFieldName) { |
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if (heightFieldName != null) { |
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try {
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idHeightField = ((FeatureType)layer.getFeatureStore().getFeatureTypes().get(0)).getIndex(heightFieldName);
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} catch (ReadException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} catch (DataException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} |
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} else {
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idHeightField = -1;
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} |
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this.usedFields = null; |
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} |
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, PrintRequestAttributeSet properties) throws ReadException { |
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isPrinting = true;
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PrintQuality resolution=(PrintQuality)properties.get(PrintQuality.class); |
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if (resolution.equals(PrintQuality.NORMAL)){ |
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printDPI=300;
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} else if (resolution.equals(PrintQuality.HIGH)) { |
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printDPI=600;
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} else if (resolution.equals(PrintQuality.DRAFT)) { |
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printDPI=72;
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} |
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draw(null, g, viewPort, cancel, printDPI);
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isPrinting = false;
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} |
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public void setUsesFixedSize(boolean b) { |
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useFixedSize = b; |
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this.usedFields = null; |
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} |
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public boolean usesFixedSize() { |
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return useFixedSize;
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} |
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public double getFixedSize() { |
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return fixedSize;
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} |
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public void setFixedSize(double fixedSize) { |
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this.fixedSize = fixedSize;
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} |
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public void setUnit(int unitIndex) { |
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unit = unitIndex; |
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|
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} |
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public int getUnit() { |
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return unit;
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} |
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public String[] getUsedFields() { |
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if (this.usedFields == null) { |
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Vector v = new Vector(); |
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try {
|
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if (!this.usesFixedSize()) { |
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if (getHeightField() != null) { |
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v.add(getHeightField()); |
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} |
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} |
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if (getRotationField() != null) { |
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v.add(getRotationField()); |
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} |
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if (getTextField() != null) { |
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v.add(getTextField()); |
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} |
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} catch (DataException e) {
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Logger.getAnonymousLogger().log(Level.SEVERE, e.getMessage()); |
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} |
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this.usedFields = (String[]) v.toArray(new String[v.size()]); |
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} |
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return this.usedFields; |
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} |
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|
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public int getReferenceSystem() { |
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return referenceSystem;
|
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} |
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|
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public void setReferenceSystem(int referenceSystem) { |
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this.referenceSystem = referenceSystem;
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} |
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|
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public double toCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
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// not required here
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throw new Error("Undefined in this context"); |
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} |
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public void setCartographicSize(double cartographicSize, Geometry geom) { |
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// not required here
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throw new Error("Undefined in this context"); |
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} |
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|
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public double getCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
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// not required here
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throw new Error("Undefined in this context"); |
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|
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} |
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|
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public void setLayer(FLayer layer) { |
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this.layer = (FLyrVect) layer;
|
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} |
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|
| 499 |
public boolean shouldDrawLabels(double scale) { |
| 500 |
return layer.isWithinScale(scale);
|
| 501 |
} |
| 502 |
public Color getColorFont() { |
| 503 |
return colorFont;
|
| 504 |
} |
| 505 |
|
| 506 |
public void setColorFont(Color colorFont) { |
| 507 |
this.colorFont = colorFont;
|
| 508 |
} |
| 509 |
|
| 510 |
public Font getFont() { |
| 511 |
return font;
|
| 512 |
} |
| 513 |
|
| 514 |
public void setFont(Font selFont) { |
| 515 |
this.font = selFont;
|
| 516 |
} |
| 517 |
} |