root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / rendering / symbols / SimpleTextSymbol.java @ 23070
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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 org.gvsig.fmap.mapcontext.rendering.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.Point2D; |
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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 org.gvsig.fmap.data.ReadException; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Surface2D; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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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 = new Font("Arial", Font.PLAIN, 12); |
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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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public void draw(Graphics2D g, AffineTransform affineTransform, Geometry geom, Cancellable cancel) { |
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if (!isShapeVisible()) return; |
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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(((org.gvsig.fmap.geom.primitive.Point2D) geom).getX(), ((org.gvsig.fmap.geom.primitive.Point2D) geom).getY()); |
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g.rotate(rotation); |
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Rectangle2D bounds = getBounds();
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g.drawString(getText(), 0, (int) bounds.getHeight()); |
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g.rotate(-rotation); |
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g.translate(-((org.gvsig.fmap.geom.primitive.Point2D) geom).getX(), -((org.gvsig.fmap.geom.primitive.Point2D) geom).getY()); |
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} |
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public void drawInsideRectangle(Graphics2D g, |
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AffineTransform scaleInstance, Rectangle r) 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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// r.setLocation(r.x, (int) Math.round(r.getY()+r.getHeight()));
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} |
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setFontSize(s); |
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// g.setColor(Color.red);
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// g.draw(r);
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draw(g, null, new org.gvsig.fmap.geom.primitive.Point2D(r.getX(), r.getY()), null); |
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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(org.gvsig.fmap.geom.Geometry geom, 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 Geometry.TYPES.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(Geometry 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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} |
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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, org.gvsig.fmap.geom.Geometry geom, PrintRequestAttributeSet properties){ |
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float originalSize = getFont().getSize2D();
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float size=originalSize;
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// scale it to size
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PrintQuality pq = (PrintQuality) properties.get(PrintQuality.class); |
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if (pq.equals(PrintQuality.NORMAL)){ |
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size *= (double) 300/72; |
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}else if (pq.equals(PrintQuality.HIGH)){ |
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size *= (double) 600/72; |
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}else if (pq.equals(PrintQuality.DRAFT)){ |
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// unitFactor *= 72; (which is the same than doing nothing)
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} |
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setFont(getFont().deriveFont(size)); |
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draw(g,at,geom,null);
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setFont(getFont().deriveFont(originalSize)); |
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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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this.text = text;
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} |
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public void setFont(Font font) { |
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this.font = font;
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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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this.font = new Font(font.getName(), 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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this.rotation = rotation;
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} |
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/**
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* Returns an Geometry 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 Geometry getTextWrappingShape(org.gvsig.fmap.geom.primitive.Point2D p) {
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Font font = getFont();
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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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Geometry myFShape = new Surface2D(new GeneralPathX(shape.getBounds2D())); |
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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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Rectangle bounds = getTextWrappingShape(new org.gvsig.fmap.geom.primitive.Point2D(0,0)).getBounds(); |
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return bounds;
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} |
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public void setCartographicSize(double cartographicSize, Geometry geom) { |
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setFontSize(cartographicSize); |
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} |
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public double toCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
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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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geom), |
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geom); |
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return oldSize;
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} |
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public double getCartographicSize(ViewPort viewPort, double dpi, Geometry geom) { |
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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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} |