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.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 don't 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<>();

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

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

                for (Mdr4Record r : list) {
                        writer.put1u(r.getType());
                        writer.put1u(r.getUnknown());
                        writer.put1u(r.getSubtype());
                }
        }

        public int getItemSize() {
                return 3;
        }

        public void addType(int type) {
                poiTypes.add(new Mdr4Record((type >> 8) & 0xff, type & 0xff));
        }

        /**
         * 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;
        }
}