using System;
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.spatial.units;
/*
 * $Id: $
 *
 * This file is part of the iText (R) project.
 * Copyright (c) 1998-2012 1T3XT BVBA
 * Authors: Bruno Lowagie, Balder Van Camp, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
namespace iTextSharp.text.pdf.spatial {

    /**
     * Geospatial Measure dictionary.
     * @since 5.1.0
     */
    public class MeasureGeospatial : Measure {

        /**
         * Gets the subtype.
         * In this case RL for a rectalinear coordinate system.
         */
        internal PdfName GetSubType() {
            return PdfName.GEO;
        }

        /**
         * An array of numbers that shall be taken pairwise to define a series of
         * points that describes the bounds of an area for which geospatial
         * transformations are valid.
         *
         * @param bounds
         */
        public void SetBounds(NumberArray bounds) {
            base.Put(PdfName.BOUNDS, bounds);
        }

        /**
         * A projected or geographic coordinate system dictionary.
         *
         * @param cs
         */
        public void SetCoordinateSystem(CoordinateSystem cs) {
            base.Put(PdfName.GCS, cs);
        }

        /**
         * Optional coordinate system that allows a document to be authored
         * to display values in a coordinate system other than that associated
         * with the source data. For example, a map may be created in a state
         * plane coordinate system based on a 1927 datum, but it is possible
         * to display its latitude and longitude values in the WGS84 datum
         * corresponding to values reported by a GPS device.
         *
         * @param cs
         */
        public void SetDisplayCoordinateSystem(GeographicCoordinateSystem cs) {
            base.Put(PdfName.DCS, cs);
        }

        /**
         * Three names that identify in order a linear display unit, an area display
         * unit, and an angular display unit.
         *
         * @param l
         * @param s
         * @param a
         */
        public void SetDisplayUnits(Linear l, Square s, Angular a) {
            PdfArray arr = new PdfArray();
            arr.Add(DecodeUnits.Decode(l));
            arr.Add(DecodeUnits.Decode(s));
            arr.Add(DecodeUnits.Decode(a));
            base.Put(PdfName.PDU, arr);
        }

        /**
         * An array of numbers that shall be taken pairwise, defining points in
         * geographic space as degrees of latitude and longitude. These values shall
         * be based on the geographic coordinate system described in the GCS
         * dictionary.
         *
         * @param pairedpoints
         */
        public void SetGPTS(NumberArray pairedpoints) {
            Put(PdfName.GPTS, pairedpoints);
        }

        /**
         * An array of numbers that shall be taken pairwise to define points in a 2D
         * unit square. The unit square is mapped to the rectangular bounds of the
         * {@link Viewport}, image XObject, or forms XObject that contains the
         * measure dictionary. This array shall contain the same number of number
         * pairs as the GPTS array; each number pair is the unit square object
         * position corresponding to the geospatial position in the GPTS array.
         *
         * @param pairedpoints
         */
        public void SetLPTS(NumberArray pairedpoints) {
            Put(PdfName.LPTS, pairedpoints);
        }
    }
}