Application: gvSIG desktop

/* jdwglib. Java Library for reading Dwg files.

 * 

 * Author: Jose Morell Rama (jose.morell@gmail.com).

 * Port from the Pythoncad Dwg library by Art Haas.

 *

 * Copyright (C) 2005 Jose Morell, IVER TI S.A. 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:

 *

 * Jose Morell (jose.morell@gmail.com)

 * 

 * or

 *

 * IVER TI S.A.

 *  C/Salamanca, 50

 *  46005 Valencia

 *  Spain

 *  +34 963163400

 *  dac@iver.es

 */

package com.iver.cit.jdwglib.dwg.objects;

import java.util.Vector;

import com.iver.cit.jdwglib.dwg.DwgObject;

import com.iver.cit.jdwglib.dwg.DwgUtil;

/**

 * The DwgVertex2D class represents a DWG Vertex2D

 * 

 * @author jmorell

 */

public class DwgVertex2D extends DwgObject {

        private int flags;

        private double[] point;

        private double initWidth;

        private double endWidth;

        private double bulge;

        private double tangentDir;

        /**

         * Read a Vertex2D in the DWG format Version 15

         * 

         * @param data Array of unsigned bytes obtained from the DWG binary file

         * @param offset The current bit offset where the value begins

         * @throws Exception If an unexpected bit value is found in the DWG file. Occurs

         *                    when we are looking for LwPolylines.

         */

        public void readDwgVertex2DV15(int[] data, int offset) throws Exception {

                //System.out.println("readDwgVertex2D executing ...");

                int bitPos = offset;

                bitPos = readObjectHeaderV15(data, bitPos);

                Vector v = DwgUtil.getRawChar(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                int flags = ((Integer)v.get(1)).intValue();

                this.flags = flags;

                v = DwgUtil.getBitDouble(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                double x = ((Double)v.get(1)).doubleValue();

                v = DwgUtil.getBitDouble(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                double y = ((Double)v.get(1)).doubleValue();

                v = DwgUtil.getBitDouble(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                double z = ((Double)v.get(1)).doubleValue();

                double[] coord = new double[]{x, y, z};

                point = new double[]{x, y, z};

                v = DwgUtil.getBitDouble(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                double sw = ((Double)v.get(1)).doubleValue();

                double ew = 0.0;

                if (sw<0.0) {

                        ew = Math.abs(sw);

                        sw = ew;

                } else {

                        v = DwgUtil.getBitDouble(data, bitPos);

                        bitPos = ((Integer)v.get(0)).intValue();

                        ew = ((Double)v.get(1)).doubleValue();

                }

                initWidth = sw;

                endWidth = ew;

                v = DwgUtil.getBitDouble(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                double bulge = ((Double)v.get(1)).doubleValue();

                this.bulge = bulge;

                v = DwgUtil.getBitDouble(data, bitPos);

                bitPos = ((Integer)v.get(0)).intValue();

                double tandir = ((Double)v.get(1)).doubleValue();

                tangentDir = tandir;

                bitPos = readObjectTailV15(data, bitPos);

        }

        /**

         * @return Returns the bulge.

         */

        public double getBulge() {

                return bulge;

        }

        /**

         * @param bulge The bulge to set.

         */

        public void setBulge(double bulge) {

                this.bulge = bulge;

        }

        /**

         * @return Returns the flags.

         */

        public int getFlags() {

                return flags;

        }

        /**

         * @param flags The flags to set.

         */

        public void setFlags(int flags) {

                this.flags = flags;

        }

        /**

         * @return Returns the point.

         */

        public double[] getPoint() {

                return point;

        }

        /**

         * @param point The point to set.

         */

        public void setPoint(double[] point) {

                this.point = point;

        }

}