root / trunk / extensions / extSymbology / src / org / gvsig / symbology / fmap / styles / SimpleLabelStyle.java @ 20768
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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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/* CVS MESSAGES:
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*
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* $Id: SimpleLabelStyle.java 13953 2007-09-21 12:26:04Z jaume $
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* $Log$
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* Revision 1.18 2007-09-21 12:22:36 jaume
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* cancellation support extended down to the IGeometry and ISymbol level
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*
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* Revision 1.17 2007/09/17 09:32:52 jaume
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* removed system.out....
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*
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* Revision 1.16 2007/08/21 09:30:42 jvidal
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* javadoc
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*
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* Revision 1.15 2007/05/08 08:47:39 jaume
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* *** empty log message ***
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*
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* Revision 1.14 2007/04/19 14:21:30 jaume
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* *** empty log message ***
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*
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* Revision 1.12 2007/04/18 15:35:11 jaume
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* *** empty log message ***
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*
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* Revision 1.11 2007/04/12 14:28:43 jaume
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* basic labeling support for lines
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*
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* Revision 1.10 2007/04/11 16:01:34 jaume
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* try to fit the text in the correct place
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*
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* Revision 1.9 2007/04/10 16:34:01 jaume
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* towards a styled labeling
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*
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* Revision 1.8 2007/04/05 16:07:14 jaume
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* Styled labeling stuff
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*
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* Revision 1.7 2007/04/04 15:42:03 jaume
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* *** empty log message ***
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*
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* Revision 1.6 2007/04/04 15:41:05 jaume
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* *** empty log message ***
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*
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* Revision 1.5 2007/04/02 16:34:56 jaume
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* Styled labeling (start commiting)
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*
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* Revision 1.4 2007/04/02 00:10:04 jaume
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* *** empty log message ***
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*
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* Revision 1.3 2007/03/29 16:02:01 jaume
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* *** empty log message ***
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*
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* Revision 1.2 2007/03/09 11:20:56 jaume
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* Advanced symbology (start committing)
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*
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* Revision 1.1.2.2 2007/02/15 16:23:44 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1 2007/02/09 07:47:04 jaume
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* Isymbol moved
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*
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*
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*/
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package org.gvsig.symbology.fmap.styles; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics2D; |
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import java.awt.Rectangle; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.util.ArrayList; |
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import com.iver.cit.gvsig.fmap.Messages; |
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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.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.styles.AbstractStyle; |
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import com.iver.cit.gvsig.fmap.core.styles.ILabelStyle; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleFillSymbol; |
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import com.iver.cit.gvsig.fmap.core.symbols.SimpleLineSymbol; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Implements a style for the creation of simple labels.
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class SimpleLabelStyle extends AbstractStyle implements ILabelStyle { |
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private Point2D markerPoint = new Point2D.Double(); |
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// conertir a?? a Rectangle2D[] ja que pot arribar a gastar-se massivament
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// en el pintat
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private ArrayList<Rectangle2D> textFieldAreas = new ArrayList<Rectangle2D>(); |
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private BackgroundFileStyle background;
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private Dimension sz; |
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public int getFieldCount() { |
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return textFieldAreas.size();
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} |
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public void setTextFields(String[] texts) { |
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StringBuffer sb = new StringBuffer(); |
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for (int i = 0; i < texts.length; i++) { |
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sb.append(texts[i]); |
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if (i<texts.length)
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sb.append(" ");
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} |
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} |
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public boolean isSuitableFor(ISymbol symbol) { |
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return true; |
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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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xml.putProperty("desc", getDescription());
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xml.putProperty("markerPointX", markerPoint.getX());
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xml.putProperty("markerPointY", markerPoint.getY());
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int size = getFieldCount();
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String[] minx = new String[size]; |
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String[] miny = new String[size]; |
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String[] widths = new String[size]; |
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String[] heights = new String[size]; |
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Rectangle2D[] rects = getTextBounds(); |
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for (int i = 0; i < rects.length; i++) { |
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minx[i] = String.valueOf(rects[i].getMinX());
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miny[i] = String.valueOf(rects[i].getMinY());
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widths[i] = String.valueOf(rects[i].getWidth());
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heights[i] = String.valueOf(rects[i].getHeight());
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} |
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xml.putProperty("minXArray", minx);
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xml.putProperty("minYArray", miny);
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xml.putProperty("widthArray", widths);
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xml.putProperty("heightArray", heights);
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XMLEntity bgXML = background.getXMLEntity(); |
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bgXML.putProperty("id", "LabelStyle"); |
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xml.addChild(bgXML); |
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return xml;
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} |
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public void setXMLEntity(XMLEntity xml) { |
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setDescription(xml.getStringProperty("desc"));
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double x = xml.getDoubleProperty("markerPointX"); |
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double y = xml.getDoubleProperty("markerPointY"); |
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double[] minx = xml.getDoubleArrayProperty("minXArray"); |
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double[] miny = xml.getDoubleArrayProperty("minYArray"); |
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double[] widths = xml.getDoubleArrayProperty("widthArray"); |
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double[] heights = xml.getDoubleArrayProperty("heightArray"); |
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for (int i = 0; i < minx.length; i++) { |
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addTextFieldArea(new Rectangle2D.Double( |
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minx[i], |
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miny[i], |
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widths[i], |
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heights[i])); |
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} |
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markerPoint.setLocation(x, y); |
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XMLEntity bgXML = xml.firstChild("id", "LabelStyle"); |
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if (bgXML!=null) { |
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background = (BackgroundFileStyle) SymbologyFactory.createStyleFromXML(xml.getChild(0), null); |
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} |
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} |
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public Rectangle2D[] getTextBounds() { |
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return (Rectangle2D[]) textFieldAreas.toArray(new Rectangle2D[textFieldAreas.size()]); |
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} |
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public void drawInsideRectangle(Graphics2D g, Rectangle r) { |
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background.drawInsideRectangle(g, r); |
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} |
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public Dimension getSize() { |
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if (sz == null) { |
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Rectangle bgBounds = background.getBounds();
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setSize(bgBounds.getWidth(), bgBounds.getHeight()); |
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} |
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return sz;
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} |
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public Point2D getMarkerPoint() { |
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return markerPoint;
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} |
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public void setMarkerPoint(Point2D p) throws IllegalArgumentException { |
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if (p.getX()<0 || p.getX()>1) |
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throw new IllegalArgumentException("X must be >=0 and <=1 ("+p.getX()+")"); |
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if (p.getY()<0 || p.getY()>1) |
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throw new IllegalArgumentException("Y must be >=0 and <=1 ("+p.getY()+")"); |
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// the marker represents the point labeled in relative percent units
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this.markerPoint = p;
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} |
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private void relativeToAbsolute(double[] xy, Rectangle r, Dimension labelSz, double ratioLabel, double ratioViewPort) { |
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int x;
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int y;
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if (ratioViewPort > ratioLabel) {
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// size is defined by the viewport height
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y = (int) (r.height*xy[1]); |
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x = (int) ((0.5*r.width) - (0.5-xy[0])*(ratioLabel*r.height)); |
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} else {
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// size is defined by the viewport width
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x = (int) (r.width * xy[0]); |
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y = (int) ((0.5 * r.height) - (0.5-xy[1])*(r.width/ratioLabel)); |
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} |
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xy[0] = x;
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xy[1] = y;
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} |
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public void drawOutline(Graphics2D g, Rectangle r) { |
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background.drawOutline(g, r); |
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Dimension labelSz = getSize();
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final double ratioLabel = labelSz.getWidth()/labelSz.getHeight(); |
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final double ratioViewPort = r.getWidth() / r.getHeight(); |
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final double[] xy = new double[2]; |
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// draw the pointer
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{ |
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xy[0] = markerPoint.getX();
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xy[1] = markerPoint.getY();
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relativeToAbsolute(xy, r, labelSz, ratioLabel, ratioViewPort); |
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int x = (int) Math.round(xy[0]); |
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int y = (int) Math.round(r.height - xy[1]); |
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int size = 7; |
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g.setColor(Color.ORANGE.darker());
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g.fillOval(x, y, size, size); |
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g.setColor(Color.BLACK.brighter());
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g.drawString(Messages.getString("labeled_point"), x + size + 10, y + size); |
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g.setColor(Color.BLACK);
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g.drawLine(x-size, (int) (y+(size*0.5)), x+2*size-1, (int) (y+(size*0.5))); |
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g.drawLine((int) (x+(size*0.5)), y-size, (int) (x+(size*0.5)), y+2*size-1); |
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} |
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// draw the text fields
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if (textFieldAreas.size() > 0) { |
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SimpleFillSymbol sym = new SimpleFillSymbol();
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Color c = Color.blue.brighter().brighter(); |
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sym.setFillColor(new Color(c.getRed(), c.getGreen(), c.getBlue(), 100)); |
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SimpleLineSymbol outline = new SimpleLineSymbol();
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c = Color.BLACK;
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outline.setLineColor(new Color(c.getRed(), c.getGreen(), c.getBlue(), 100)); |
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sym.setOutline(outline); |
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for (int i = 0; i < textFieldAreas.size(); i++) { |
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Rectangle2D textFieldArea = (Rectangle2D) textFieldAreas.get(i); |
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xy[0] = textFieldArea.getX();
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xy[1] = textFieldArea.getY();
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relativeToAbsolute(xy, r, labelSz, ratioLabel, ratioViewPort); |
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int x = (int) Math.round(xy[0]); |
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int y = (int) Math.round(xy[1]); |
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xy[0] = textFieldArea.getMaxX();
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xy[1] = textFieldArea.getMaxY();
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relativeToAbsolute(xy, r, labelSz, ratioLabel, ratioViewPort); |
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int width = (int) Math.round(xy[0]) -x; |
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int height = (int) Math.round(xy[1] - y) ; |
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Rectangle aux = new Rectangle(x, y, width, height); |
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FShape shp = new FPolygon2D(new GeneralPathX(aux)); |
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sym.draw(g, null, shp, null); |
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g.setColor(Color.BLACK);
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g.drawString(String.valueOf(i), x+5, y + 10); |
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} |
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} |
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} |
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public void setTextFieldArea(int index, Rectangle2D rect) { |
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textFieldAreas.set(index, rect); |
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} |
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public void addTextFieldArea(Rectangle2D rect) { |
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textFieldAreas.add(rect); |
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} |
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public void deleteTextFieldArea(int index) { |
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textFieldAreas.remove(index); |
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} |
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public void setSize(double width, double height) { |
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sz = new Dimension( (int) Math.round(width), (int) Math.round(height)); |
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} |
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} |