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.ArrayList;

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

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

/**

 * The DwgArc class represents a DWG Arc

 *

 * @author jmorell

 */

public class DwgArc extends DwgObject {

        private double[] center;

        private double radius;

        private double thickness;

        private double[] extrusion;

        private double initAngle;

        private double endAngle;

        /**

         * Read an Arc 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 readDwgArcV15(int[] data, int offset) throws Exception {

                //System.out.println("readDwgArc() executed ...");

                int bitPos = offset;

                bitPos = readObjectHeaderV15(data, bitPos);

                ArrayList 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};

                center = coord;

                v = DwgUtil.getBitDouble(data, bitPos);

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

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

                radius = val;

                v = DwgUtil.testBit(data, bitPos);

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

                boolean flag = ((Boolean)v.get(1)).booleanValue();

                if (flag) {

                        val=0.0;

                } else {

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                }

            thickness = val;

                v = DwgUtil.testBit(data, bitPos);

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

                flag = ((Boolean)v.get(1)).booleanValue();

                if (flag) {

                         x = y = 0.0;

                         z = 1.0;

                } else {

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                }

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

                extrusion = coord;

                v = DwgUtil.getBitDouble(data, bitPos);

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

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

            initAngle = val;

                v = DwgUtil.getBitDouble(data, bitPos);

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

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

            endAngle = val;

                bitPos = readObjectTailV15(data, bitPos);

        }

        /**

         * @return Returns the center.

         */

        public double[] getCenter() {

                return center;

        }

        /**

         * @param center The center to set.

         */

        public void setCenter(double[] center) {

                this.center = center;

        }

        /**

         * @return Returns the endAngle.

         */

        public double getEndAngle() {

                return endAngle;

        }

        /**

         * @param endAngle The endAngle to set.

         */

        public void setEndAngle(double endAngle) {

                this.endAngle = endAngle;

        }

        /**

         * @return Returns the initAngle.

         */

        public double getInitAngle() {

                return initAngle;

        }

        /**

         * @param initAngle The initAngle to set.

         */

        public void setInitAngle(double initAngle) {

                this.initAngle = initAngle;

        }

        /**

         * @return Returns the radius.

         */

        public double getRadius() {

                return radius;

        }

        /**

         * @param radius The radius to set.

         */

        public void setRadius(double radius) {

                this.radius = radius;

        }

    /**

     * @return Returns the extrusion.

     */

    public double[] getExtrusion() {

        return extrusion;

    }

        /* (non-Javadoc)

         * @see java.lang.Object#clone()

         */

        public Object clone() {

                DwgArc dwgArc = new DwgArc();

                dwgArc.setType(type);

                dwgArc.setHandle(handle);

                dwgArc.setVersion(version);

                dwgArc.setMode(mode);

                dwgArc.setLayerHandle(layerHandle);

                dwgArc.setColor(color);

                dwgArc.setNumReactors(numReactors);

                dwgArc.setNoLinks(noLinks);

                dwgArc.setLinetypeFlags(linetypeFlags);

                dwgArc.setPlotstyleFlags(plotstyleFlags);

                dwgArc.setSizeInBits(sizeInBits);

                dwgArc.setExtendedData(extendedData);

                dwgArc.setGraphicData(graphicData);

                //dwgArc.setInsideBlock(insideBlock);

                dwgArc.setCenter(center);

                dwgArc.setRadius(radius);

                dwgArc.setThickness(thickness);

                dwgArc.setExtrusion(extrusion);

                dwgArc.setInitAngle(initAngle);

                dwgArc.setEndAngle(endAngle);

                return dwgArc;

        }

        /**

         * @return Returns the thickness.

         */

        public double getThickness() {

                return thickness;

        }

        /**

         * @param thickness The thickness to set.

         */

        public void setThickness(double thickness) {

                this.thickness = thickness;

        }

        /**

         * @param extrusion The extrusion to set.

         */

        public void setExtrusion(double[] extrusion) {

                this.extrusion = extrusion;

        }

}