Subversion Repositories mkgmap

/*
 * Copyright (C) 2009.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 or
 * version 2 as published by the Free Software Foundation.
 *
 * 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.
 */
package uk.me.parabola.imgfmt.app.mdr;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import uk.me.parabola.imgfmt.app.ImgFileWriter;

/**
 * POI types.  A simple list of the types that are used?
 * If you have this section, then the ability to select POI categories
 * goes away.
 *
 * @author Steve Ratcliffe
 */
public class Mdr4 extends MdrSection implements HasHeaderFlags {
        private final Set<Mdr4Record> poiTypes = new HashSet<Mdr4Record>();

        public Mdr4(MdrConfig config) {
                setConfig(config);
        }

       
        public void writeSectData(ImgFileWriter writer) {
                List<Mdr4Record> list = new ArrayList<Mdr4Record>(poiTypes);
                Collections.sort(list);

                for (Mdr4Record r : list) {
                        writer.put((byte) r.getType());
                        writer.put((byte) r.getUnknown());
                        writer.put((byte) r.getSubtype());
                }
        }

        public int getItemSize() {
                return 3;
        }

        public void addType(int type) {
                Mdr4Record r = new Mdr4Record();
                if (type <= 0xff)
                        r.setType(type);
                else {
                        r.setType((type >> 8) & 0xff);
                        r.setSubtype(type & 0xff);
                }
                r.setUnknown(0);

                poiTypes.add(r);
        }

        /**
         * The number of records in this section.
         *
         * @return The number of items in the section.
         */
        protected int numberOfItems() {
                return poiTypes.size();
        }


        public int getExtraValue() {
                return 0x00;
        }
}