Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id: CharacterMarkerSymbol.java 8729 2006-11-14 11:12:48Z jaume $

 * $Log$

 * Revision 1.5  2006-11-14 11:10:27  jaume

 * *** empty log message ***

 *

 * Revision 1.4  2006/11/09 18:39:05  jaume

 * *** empty log message ***

 *

 * Revision 1.3  2006/11/08 10:56:47  jaume

 * *** empty log message ***

 *

 * Revision 1.2  2006/11/06 17:08:45  jaume

 * *** empty log message ***

 *

 * Revision 1.1  2006/10/31 16:16:34  jaume

 * *** empty log message ***

 *

 * Revision 1.4  2006/10/30 19:30:35  jaume

 * *** empty log message ***

 *

 * Revision 1.3  2006/10/29 23:53:49  jaume

 * *** empty log message ***

 *

 * Revision 1.2  2006/10/26 16:27:33  jaume

 * support for composite marker symbols (not tested)

 *

 * Revision 1.1  2006/10/25 10:50:41  jaume

 * movement of classes and gui stuff

 *

 * Revision 1.3  2006/10/24 19:54:16  jaume

 * added IPersistence

 *

 * Revision 1.2  2006/10/24 08:02:51  jaume

 * *** empty log message ***

 *

 * Revision 1.1  2006/10/18 07:54:06  jaume

 * *** empty log message ***

 *

 *

 */

package com.iver.cit.gvsig.fmap.core.symbols;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics2D;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.Shape;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import org.apache.batik.ext.awt.geom.PathLength;

import com.iver.cit.gvsig.fmap.core.FPoint2D;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.ISymbol;

import com.iver.cit.gvsig.fmap.core.v02.FConstant;

import com.iver.cit.gvsig.fmap.core.v02.FConverter;

import com.iver.utiles.StringUtilities;

import com.iver.utiles.XMLEntity;

import com.vividsolutions.jts.geom.Geometry;

// TODO quitar batik-util.jar del classpath de extGraph cuando movamos esto a FMap

/**

 * Symbol that manages symbols from a TrueType font source

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public class CharacterMarkerSymbol extends AbstractMarkerSymbol {

        private Font font = new Font("Arial", Font.PLAIN, 20);

        private int symbol;

        private ISymbol selectionSymbol;

        /**

         * Creates a new instance of CharacterMarker with default values

         *

         */

        public CharacterMarkerSymbol() {

                super();

        }

        /**

         * Creates a new instance of CharacterMarker specifying the marker source

         * font, the character code corresponding to the symbol, and the color that

         * will be used in rendering time.

         *

         * @param font -

         *            src Font

         * @param charCode -

         *            character code of the symbol for this font

         * @param color -

         *            color to be used in when rendering.

         */

        public CharacterMarkerSymbol(Font font, int charCode, Color color) {

                super();

                this.font = font;

                symbol = charCode;

                this.color = color;

        }

        public Font getFont() {

                return font;

        }

        public void setFont(Font font) {

                this.font = font;

        }

        public ISymbol getSymbolForSelection() {

                if (selectionSymbol == null) {

                        XMLEntity xml = getXMLEntity();

                        xml.putProperty("color", StringUtilities.color2String(Color.YELLOW));

                        selectionSymbol = SymbolFactory.createFromXML(xml, getDescription() + " version for selection.");

                }

                return selectionSymbol;

        }

        public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp) {

                g.setFont(getFont());

                g.setColor(color);

                g.rotate(getRotation());

                Point2D p = null;

                switch (shp.getShapeType()) {

                case FShape.POINT:

                        p = new Point2D.Double(((FPoint2D) shp).getX(), ((FPoint2D) shp)

                                        .getY());

                        break;

                case FShape.LINE:

                        PathLength pathLen = new PathLength(shp);

                        float midDistance = pathLen.lengthOfPath() / 2;

                        p = pathLen.pointAtLength(midDistance);

                        break;

                case FShape.POLYGON:

                        Geometry geom = FConverter.java2d_to_jts(shp);

                        com.vividsolutions.jts.geom.Point centroid = geom.getCentroid();

                        p = new Point2D.Double(centroid.getX(), centroid.getY());

                }

                // p = affineTransform.transform(p, null);

                char[] text = new char[] { (char) symbol };

                g.drawChars(text, 0, text.length, (int) p.getX(), (int) p.getY());

                if (subSymbols!=null) {

                        for (int i = 0; i < subSymbols.length; i++) {

                                subSymbols[i].draw(g, affineTransform, shp);

                        }

                }

        }

        public int getPixExtentPlus(Graphics2D g, AffineTransform affineTransform,

                        Shape shp) {

                // TODO Auto-generated method stub

                throw new Error("Not yet implemented!");

        }

        public XMLEntity getXMLEntity() {

                XMLEntity xml = new XMLEntity();

                // the class name

                xml.putProperty("className", getClassName());

                // color

                xml.putProperty("color", StringUtilities.color2String(color));

                // font

                xml.putProperty("font", font.getFontName());

                // font style

                xml.putProperty("fontStyle", font.getStyle());

                // symbol code

                xml.putProperty("symbolCode", symbol);

                // description

                xml.putProperty("desc", desc);

                // is shape visible

                xml.putProperty("isShapeVisible", isShapeVisible);

                // x offset

                xml.putProperty("xOffset", getOffset().getX());

                // y offset

                xml.putProperty("yOffset", getOffset().getY());

                // rotation

                xml.putProperty("rotation", rotation);

                return xml;

        }

        public int getSymbolType() {

                return CHARACTER_MARKER;

        }

        public void drawInsideRectangle(Graphics2D g,

                        AffineTransform scaleInstance, Rectangle r) {

                g.rotate(getRotation());

                // Sirve de algo el scaleInstance???

                // g.setFont(font.deriveFont(scaleInstance));

                double h = r.getHeight();

                Font myFont = font.deriveFont(

                                (float) (h * FConstant.FONT_HEIGHT_SCALE_FACTOR)).deriveFont(

                                                scaleInstance);

                g.setFont(myFont);

                g.setColor(color);

                r.y = (int) h;

                // center character in case the rectangle is not square

                int x = r.x;

                int y = r.y;

                int width = (int) r.getHeight();

                int height = (int) r.getWidth();

                int diff = (width-height);

                if (diff<0) {

                        x -= diff /2;

                } else {

                        y += diff /2;

                }

                // and apply the offset

                x = x + (int) offset.getX(); // TODO scale offset

                y = y + (int) offset.getY(); // TODO scale offset

                char[] text = new char[] { (char) symbol };

                g.drawChars(text, 0, text.length, x, y);

                // finally, draw the subsymbols if any

                if (subSymbols!=null) {

                        for (int i = 0; i < subSymbols.length; i++) {

                                subSymbols[i].drawInsideRectangle(g, scaleInstance, r);

                        }

                }

        }

        public void setCharacter(int symbol) {

                this.symbol = symbol;

        }

        public String getClassName() {

                return this.getClass().getName();

        }

        public void setXMLEntity(XMLEntity xml) {

                color = StringUtilities.string2Color(xml.getStringProperty("color"));

                Point p = new Point();

                p.setLocation(xml.getDoubleProperty("xOffset"), xml.getDoubleProperty("yOffset"));

                desc = xml.getStringProperty("desc");

                font = new Font(xml.getStringProperty("font"),

                                xml.getIntProperty("fontStyle"),

                                100 /* or whatever*/);

                isShapeVisible = xml.getBooleanProperty("isShapeVisible");

                symbol = xml.getIntProperty("symbolCode");

                offset = p;

                rotation = xml.getDoubleProperty("rotation");

        }

}