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/* 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 DwgLine class represents a DWG Line

 * 

 * @author jmorell

 */

public class DwgLine extends DwgObject {

        public DwgLine(int index) {

                super(index);

                // TODO Auto-generated constructor stub

        }

        private double[] p1;

        private double[] p2;

        private double thickness;

        private double[] extrusion;

        private boolean zflag = false;

        /**

         * Read a Line 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 readDwgLineV15(int[] data, int offset) throws Exception {

                int bitPos = offset;

                bitPos = readObjectHeaderV15(data, bitPos);

                ArrayList v = DwgUtil.testBit(data, bitPos);

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

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

                v = DwgUtil.getRawDouble(data, bitPos);

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

                double x1 = ((Double)v.get(1)).doubleValue();

                v = DwgUtil.getDefaultDouble(data, bitPos, x1);

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

                double x2 = ((Double)v.get(1)).doubleValue();

                v = DwgUtil.getRawDouble(data, bitPos);

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

                double y1 = ((Double)v.get(1)).doubleValue();

                v = DwgUtil.getDefaultDouble(data, bitPos, y1);

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

                double y2 = ((Double)v.get(1)).doubleValue();

                double[] p1;

                double[] p2;

            if (!zflag) {

                        v = DwgUtil.getRawDouble(data, bitPos);

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

                        double z1 = ((Double)v.get(1)).doubleValue();

                        v = DwgUtil.getDefaultDouble(data, bitPos, z1);

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

                        double z2 = ((Double)v.get(1)).doubleValue();

                        p1 = new double[]{x1, y1, z1};

                        p2 = new double[]{x2, y2, z2};

                } else {

                        p1 = new double[]{x1, y1};

                        p2 = new double[]{x2, y2};

                }

            this.p1 = p1;

            this.p2 = p2;

                v = DwgUtil.testBit(data, bitPos);

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

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

            double val;

                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();

                double x, y, z;

            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();

                }

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

                extrusion = coord;

                bitPos = readObjectTailV15(data, bitPos);

        }

        /**

         * @return Returns the p1.

         */

        public double[] getP1() {

                return p1;

        }

        /**

         * @param p1 The p1 to set.

         */

        public void setP1(double[] p1) {

                this.p1 = p1;

        }

        /**

         * @return Returns the p2.

         */

        public double[] getP2() {

                return p2;

        }

        /**

         * @param p2 The p2 to set.

         */

        public void setP2(double[] p2) {

                this.p2 = p2;

        }

        /**

         * @return Returns the extrusion.

         */

        public double[] getExtrusion() {

                return extrusion;

        }

        /**

         * @param extrusion The extrusion to set.

         */

        public void setExtrusion(double[] extrusion) {

                this.extrusion = extrusion;

        }

        /**

         * @return Returns the thickness.

         */

        public double getThickness() {

                return thickness;

        }

        /**

         * @param thickness The thickness to set.

         */

        public void setThickness(double thickness) {

                this.thickness = thickness;

        }

        /* (non-Javadoc)

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

         */

        public Object clone() {

                DwgLine dwgLine = new DwgLine(index);

                dwgLine.setType(type);

                dwgLine.setHandle(handle);

                dwgLine.setVersion(version);

                dwgLine.setMode(mode);

                dwgLine.setLayerHandle(layerHandle);

                dwgLine.setColor(color);

                dwgLine.setNumReactors(numReactors);

                dwgLine.setNoLinks(noLinks);

                dwgLine.setLinetypeFlags(linetypeFlags);

                dwgLine.setPlotstyleFlags(plotstyleFlags);

                dwgLine.setSizeInBits(sizeInBits);

                dwgLine.setExtendedData(extendedData);

                dwgLine.setGraphicData(graphicData);

                //dwgLine.setInsideBlock(insideBlock);

                dwgLine.setP1(p1);

                dwgLine.setP2(p2);

                dwgLine.setThickness(thickness);

                dwgLine.setExtrusion(extrusion);

                return dwgLine;

        }

    /**

     * @return Returns the zflag.

     */

    public boolean isZflag() {

        return zflag;

    }

    /**

     * @param zflag The zflag to set.

     */

    public void setZflag(boolean zflag) {

        this.zflag = zflag;

    }

}