root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / symbols / SimpleTextSymbol.java @ 32881
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.core.symbols; |
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import java.awt.Color; |
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import java.awt.Font; |
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import java.awt.FontMetrics; |
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import java.awt.Graphics2D; |
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import java.awt.Rectangle; |
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import java.awt.RenderingHints; |
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import java.awt.Shape; |
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import java.awt.font.FontRenderContext; |
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import java.awt.font.GlyphVector; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Rectangle2D; |
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import javax.print.attribute.PrintRequestAttributeSet; |
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import javax.print.attribute.standard.PrintQuality; |
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import com.iver.cit.gvsig.fmap.MapContext; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.CartographicSupportToolkit; |
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import com.iver.cit.gvsig.fmap.core.FPoint2D; |
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import com.iver.cit.gvsig.fmap.core.FPolygon2D; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.v02.FConverter; |
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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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* SimpleTextSymbol is a class used to create symbols composed using a text defined by
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* the user.This text can be edited (changing the color, the font of the characters, and
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* the rotation of the text).
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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 SimpleTextSymbol extends AbstractSymbol implements ITextSymbol { |
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private String text = ""; |
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private Font font = SymbologyFactory.DefaultTextFont; |
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private Color textColor = Color.BLACK; |
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private double rotation; |
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private FontRenderContext frc = new FontRenderContext( |
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new AffineTransform(), false, true); |
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private boolean autoresize; |
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private Rectangle bounds = null; |
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private FShape horizontalTextWrappingShape = null; |
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private PrintRequestAttributeSet properties; |
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public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp, Cancellable cancel) { |
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if (!isShapeVisible()) return; |
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double shpX = ((FPoint2D) shp).getX();
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double shpY = ((FPoint2D) shp).getY();
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//Parche porque a veces llegan puntos cuyas coordenadas no han podido ser calculadas y vienen como NaN
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if( Double.isNaN(shpX) || Double.isNaN(shpY)){ |
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return;
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} |
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//Fin del parche
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g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
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g.setColor(textColor); |
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g.setFont(font); |
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g.translate(shpX, shpY); |
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g.rotate(rotation); |
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Rectangle2D bounds = getHorizontalTextWrappingShape(new FPoint2D(0,0)).getBounds(); |
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// Antes tomabamos el resultado de getBounds pero ya se le hab?a aplicado
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// la rotaci?n, con lo que no obten?amos el la altura correcta de la fuente.
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// Alineamos el texto de manera que la parte inferior
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// izquierda de la primera letra est? en (0,0).
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// Para chino hay que escoger una fuente como esta (SimSun)
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// g.setFont(new Font("SimSun",Font.PLAIN, 12));
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g.drawString(getText(), -((int) bounds.getWidth()/2), 0); //(int)-bounds.getY()); |
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// g.drawRect(0, 0, 5, 5);
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g.rotate(-rotation); |
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g.translate(-shpX, -shpY); |
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} |
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public void drawInsideRectangle(Graphics2D g, |
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AffineTransform scaleInstance, Rectangle r, PrintRequestAttributeSet properties) throws SymbolDrawingException { |
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int s = getFont().getSize();
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if (autoresize) {
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if (s==0) { |
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s =1;
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setFontSize(s); |
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} |
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g.setFont(getFont()); |
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FontMetrics fm = g.getFontMetrics();
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Rectangle2D rect = fm.getStringBounds(text, g);
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double width = rect.getWidth();
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double height = rect.getHeight();
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double rWidth = r.getWidth();
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double rHeight = r.getHeight();
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double ratioText = width/height;
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double ratioRect = rWidth/rHeight;
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if (ratioText>ratioRect) {
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s = (int) (s*(rWidth/width));
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} else {
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s = (int) (s*(rHeight/height));
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} |
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setFontSize(s); |
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} |
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//Only for debugging purpose
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// g.drawRect((int)r.getX(), (int)r.getY(), (int)r.getWidth(), (int)r.getHeight());
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if (properties==null) |
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draw(g, null, new FPoint2D(r.getX(), r.getY()), null); |
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else
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print(g, new AffineTransform(), new FPoint2D(r.getX(), r.getY()), properties); |
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} |
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public int getOnePointRgb() { |
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return textColor.getRGB();
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} |
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public void getPixExtentPlus(FShape shp, float[] distances, |
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ViewPort viewPort, int dpi) {
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throw new Error("Not yet implemented!"); |
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} |
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public ISymbol getSymbolForSelection() {
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return this; // a text is not selectable |
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} |
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public int getSymbolType() { |
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return FShape.TEXT;
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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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xml.putProperty("desc", getDescription());
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xml.putProperty("isShapeVisible", isShapeVisible());
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xml.putProperty("font", font.getName());
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xml.putProperty("fontStyle", font.getStyle());
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xml.putProperty("size", font.getSize());
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xml.putProperty("text", text);
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xml.putProperty("textColor", StringUtilities.color2String(textColor));
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xml.putProperty("unit", getUnit());
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xml.putProperty("referenceSystem", getReferenceSystem());
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xml.putProperty("autoresizeFlag", isAutoresizeEnabled());
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return xml;
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} |
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public boolean isSuitableFor(IGeometry geom) { |
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return true; |
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} |
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public void setXMLEntity(XMLEntity xml) { |
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font = new Font(xml.getStringProperty("font"), |
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xml.getIntProperty("fontStyle"),
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xml.getIntProperty("size"));
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setDescription(xml.getStringProperty("desc"));
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setIsShapeVisible(xml.getBooleanProperty("isShapeVisible"));
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text = xml.getStringProperty("text");
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textColor = StringUtilities.string2Color(xml.getStringProperty("textColor"));
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setUnit(xml.getIntProperty("unit"));
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setReferenceSystem(xml.getIntProperty("referenceSystem"));
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setAutoresizeEnabled(xml.getBooleanProperty("autoresizeFlag"));
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this.bounds = null; |
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this.horizontalTextWrappingShape = null; |
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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 void print(Graphics2D g, AffineTransform at, FShape shape, PrintRequestAttributeSet properties) { |
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this.properties=properties;
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draw(g, at, shape, null);
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this.properties=null; |
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} |
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public String getText() { |
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return text;
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} |
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public Font getFont() { |
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return font;
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} |
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public Color getTextColor() { |
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return textColor;
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} |
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public void setText(String text) { |
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if(text != null && !text.equals(this.text)){ |
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this.text = text;
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this.bounds = null; |
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this.horizontalTextWrappingShape = null; |
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} |
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} |
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public void setFont(Font font) { |
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if (font != null && !font.equals(this.font)){ |
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this.font = font;
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this.bounds = null; |
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this.horizontalTextWrappingShape = null; |
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} |
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} |
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public void setTextColor(Color color) { |
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this.textColor = color;
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} |
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public void setFontSize(double size) { |
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if (size != this.font.getSize2D()){ |
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this.font = this.font.deriveFont((float) size); |
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this.bounds = null; |
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this.horizontalTextWrappingShape = null; |
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} |
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// this.font = new Font(this.font.getName(),this.font.getStyle(),(int)size);
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} |
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/**
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* Defines the angle of rotation for the text that composes the symbol
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*
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* @param rotation
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*/
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public void setRotation(double rotation) { |
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if(rotation != this.rotation){ |
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this.rotation = rotation;
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this.bounds = null; |
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} |
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} |
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public double getRotation() { |
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return rotation;
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} |
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/**
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* Returns an FShape which represents a rectangle containing the text in
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* <b>screen</b> units.
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*/
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private FShape getHorizontalTextWrappingShape(FPoint2D p) {
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if (this.horizontalTextWrappingShape == null){ |
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Font font = getFont();
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/* Para tama?os de fuente de letras excesivamente grandes obtenemos
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* shapes con todas las coordenadas a 0, por eso limitamos el tama?o
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* a 1000 y despu?s reescalamos el bounds.
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*/
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double scale = 1; |
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float fontSize = font.getSize2D();
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if (fontSize > 1000){ |
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scale = fontSize/1000;
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fontSize = 1000;
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} |
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font = font.deriveFont(fontSize); |
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GlyphVector gv = font.createGlyphVector(frc, text);
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Shape shape = gv.getOutline((float) p.getX(), (float) p.getY()); |
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FShape myFShape = new FPolygon2D(new GeneralPathX(shape.getBounds2D())); |
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if(scale != 1){ |
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myFShape.transform(AffineTransform.getScaleInstance(scale, scale));
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} |
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this.horizontalTextWrappingShape = myFShape;
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} |
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return this.horizontalTextWrappingShape; |
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} |
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/**
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* Returns an FShape which represents a rectangle containing the text in
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* <b>screen</b> units.
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*/
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public FShape getTextWrappingShape(FPoint2D p) {
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FShape myFShape = getHorizontalTextWrappingShape(p); |
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myFShape.transform(AffineTransform.getTranslateInstance(p.getX(), p.getY()));
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if (rotation != 0) { |
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myFShape.transform(AffineTransform.getRotateInstance(rotation));
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} |
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return myFShape;
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} |
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public Rectangle getBounds() { |
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// FontMetrics fm = g.getFontMetrics();
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// Rectangle2D rect = fm.getStringBounds("graphics", g);
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if(this.bounds == null){ |
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this.bounds = getTextWrappingShape(new FPoint2D(0,0)).getBounds(); |
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} |
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return this.bounds; |
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} |
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public void setCartographicSize(double cartographicSize, FShape shp) { |
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setFontSize(cartographicSize); |
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} |
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public double toCartographicSize(ViewPort viewPort, double dpi, FShape shp) { |
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double oldSize = getFont().getSize();
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setCartographicSize(getCartographicSize( |
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viewPort, |
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dpi, |
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shp), |
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shp); |
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return oldSize;
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} |
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public double getCartographicSize(ViewPort viewPort, double dpi, FShape shp) { |
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return CartographicSupportToolkit.
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getCartographicLength(this,
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getFont().getSize(), |
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viewPort, |
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dpi); |
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} |
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public boolean isAutoresizeEnabled() { |
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return autoresize;
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} |
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public void setAutoresizeEnabled(boolean autoresizeFlag) { |
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this.autoresize = autoresizeFlag;
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} |
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} |