| gvSIG desktop 1

package org.gvsig.symbology.fmap.styles;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.RenderingHints;

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

import com.iver.cit.gvsig.fmap.core.styles.AbstractStyle;

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

import com.iver.utiles.XMLEntity;

/**

 *  Specifies the point positioner for a label

 *

 *

 */

public class PointLabelPositioneer extends AbstractStyle {

        private byte[] preferenceVector = new byte[8];

        private static final Color[] colorVector = new Color[] {

                new Color(140, 140, 140), // gray

                new Color(140, 245, 130), // green

                new Color(130, 170, 245), // light blue

                new Color(100, 100, 255),   // dark blue

        };

        public static final byte FORBIDDEN                    = 0;

        public static final byte PREFERENCE_HIGH   = 1;

        public static final byte PREFERENCE_NORMAL = 2;

        public static final byte PREFERENCE_LOW    = 3;

        /**

         * Constructor method

         *

         */

        public PointLabelPositioneer() {}

        /**

         * Constructor method

         *

         * @param preferenceVector

         * @param description

         */

        public PointLabelPositioneer(byte[] preferenceVector, String description) {

                this.preferenceVector = preferenceVector;

                setDescription(description);

        }

        public void drawInsideRectangle(Graphics2D g, Rectangle r) {

                int size = Math.min(r.width, r.height) / 3;

                int j = -1;

                final int fontSize = (int) (size * 0.8);

                final Font font = new Font("Arial", Font.PLAIN, fontSize);

                RenderingHints old = g.getRenderingHints();

                g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

                for (int i = 0; i < 9; i++) {

                        if (i == 4) continue;

                        j++;

                        int value = Math.abs(preferenceVector[j] % colorVector.length);

                        int col = i % 3;

                        int row = i / 3;

                        g.setColor(colorVector[value]);

                        g.fillRect(size * col, size*row, size, size);

                        g.setColor(Color.BLACK);

                        g.drawRect(size * col, size*row, size, size);

                        g.setFont(font);

                        g.drawString(String.valueOf(value),

                                        (float) ((size/2) - (fontSize/4)) + size * col,

                                        (float) (size * 0.8) + size*row);

                }

                g.setRenderingHints(old);

        }

        public boolean isSuitableFor(ISymbol symbol) {

                return symbol.getSymbolType() == FShape.POINT;

        }

        public String getClassName() {

                return getClass().getName();

        }

        public XMLEntity getXMLEntity() {

                XMLEntity xml = new XMLEntity();

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

                xml.putProperty("desc", getDescription());

                StringBuffer sb = new StringBuffer();

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

                        sb.append(preferenceVector[i]+" ,");

                }

                String s = sb.substring(0, sb.length()-2);

                xml.putProperty("preferenceVector", s);

                return xml;

        }

        public void setXMLEntity(XMLEntity xml) {

                setDescription(xml.getStringProperty("desc"));

                preferenceVector = xml.getByteArrayProperty("preferenceVector");

        }

        public void drawOutline(Graphics2D g, Rectangle r) {

                drawInsideRectangle(g, r);

        }

        public byte[] getPreferenceVector() {

                return preferenceVector;

        }

}