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.awt.geom.Point2D;

import java.util.Vector;

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

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

/**

 * The DwgPolyline2D class represents a DWG Polyline2D

 * 

 * @author jmorell

 */

public class DwgPolyline2D extends DwgObject {

        private int flags;

        private int curveType;

        private double initWidth;

        private double endWidth;

        private double thickness;

        private double elevation;

        private double[] extrusion;

        private int firstVertexHandle;

        private int lastVertexHandle;

        private int seqendHandle;

        private Point2D[] pts;

        private double[] bulges;

        /**

         * Read a Polyline2D 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 readDwgPolyline2DV15(int[] data, int offset) throws Exception {

                //System.out.println("readDwgPolyline2D executing ...");

                int bitPos = offset;

                bitPos = readObjectHeaderV15(data, bitPos);

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

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

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

                this.flags = flags;

                v = DwgUtil.getBitShort(data, bitPos);

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

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

                curveType = ctype;

                v = DwgUtil.getBitDouble(data, bitPos);

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

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

                initWidth = sw;

                v = DwgUtil.getBitDouble(data, bitPos);

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

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

                endWidth = ew;

                v = DwgUtil.testBit(data, bitPos);

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

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

            double th = 0.0;

            if (!flag) {

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

            }

            this.thickness = th;

                v = DwgUtil.getBitDouble(data, bitPos);

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

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

                elevation = elev;

                v = DwgUtil.testBit(data, bitPos);

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

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

            double ex, ey, ez = 0.0;

            if (flag) {

                    ex = 0.0;

                    ey = 0.0;

                    ez = 1.0;

            } else {

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

            }

            extrusion = new double[]{ex, ey, ez};

                bitPos = readObjectTailV15(data, bitPos);

                v = DwgUtil.getHandle(data, bitPos);

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

                int[] handle = new int[v.size()-1];

            for (int i=1;i<v.size();i++) {

                    handle[i-1] = ((Integer)v.get(i)).intValue();

            }

            Vector handleVect = new Vector();

            for (int i=0;i<handle.length;i++) {

                    handleVect.add(new Integer(handle[i]));

            }

            firstVertexHandle = DwgUtil.handleBinToHandleInt(handleVect);

                v = DwgUtil.getHandle(data, bitPos);

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

                handle = new int[v.size()-1];

            for (int i=1;i<v.size();i++) {

                    handle[i-1] = ((Integer)v.get(i)).intValue();

            }

            handleVect = new Vector();

            for (int i=0;i<handle.length;i++) {

                    handleVect.add(new Integer(handle[i]));

            }

            lastVertexHandle = DwgUtil.handleBinToHandleInt(handleVect);

                v = DwgUtil.getHandle(data, bitPos);

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

                handle = new int[v.size()-1];

            for (int i=1;i<v.size();i++) {

                    handle[i-1] = ((Integer)v.get(i)).intValue();

            }

            handleVect = new Vector();

            for (int i=0;i<handle.length;i++) {

                    handleVect.add(new Integer(handle[i]));

            }

            seqendHandle = DwgUtil.handleBinToHandleInt(handleVect);

        }

        /**

         * @return Returns the firstVertexHandle.

         */

        public int getFirstVertexHandle() {

                return firstVertexHandle;

        }

        /**

         * @param firstVertexHandle The firstVertexHandle to set.

         */

        public void setFirstVertexHandle(int firstVertexHandle) {

                this.firstVertexHandle = firstVertexHandle;

        }

        /**

         * @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 lastVertexHandle.

         */

        public int getLastVertexHandle() {

                return lastVertexHandle;

        }

        /**

         * @param lastVertexHandle The lastVertexHandle to set.

         */

        public void setLastVertexHandle(int lastVertexHandle) {

                this.lastVertexHandle = lastVertexHandle;

        }

        /**

         * @return Returns the pts.

         */

        public Point2D[] getPts() {

                return pts;

        }

        /**

         * @param pts The pts to set.

         */

        public void setPts(Point2D[] pts) {

                this.pts = pts;

        }

        /**

         * @return Returns the bulges.

         */

        public double[] getBulges() {

                return bulges;

        }

        /**

         * @param bulges The bulges to set.

         */

        public void setBulges(double[] bulges) {

                this.bulges = bulges;

        }

        /**

         * @return Returns the initWidth.

         */

        public double getInitWidth() {

                return initWidth;

        }

        /**

         * @param initWidth The initWidth to set.

         */

        public void setInitWidth(double initWidth) {

                this.initWidth = initWidth;

        }

        /**

         * @return Returns the seqendHandle.

         */

        public int getSeqendHandle() {

                return seqendHandle;

        }

        /**

         * @param seqendHandle The seqendHandle to set.

         */

        public void setSeqendHandle(int seqendHandle) {

                this.seqendHandle = seqendHandle;

        }

        /**

         * @return Returns the thickness.

         */

        public double getThickness() {

                return thickness;

        }

        /**

         * @param thickness The thickness to set.

         */

        public void setThickness(double thickness) {

                this.thickness = thickness;

        }

        /**

         * @return Returns the curveType.

         */

        public int getCurveType() {

                return curveType;

        }

        /**

         * @param curveType The curveType to set.

         */

        public void setCurveType(int curveType) {

                this.curveType = curveType;

        }

        /**

         * @return Returns the elevation.

         */

        public double getElevation() {

                return elevation;

        }

        /**

         * @param elevation The elevation to set.

         */

        public void setElevation(double elevation) {

                this.elevation = elevation;

        }

        /**

         * @return Returns the endWidth.

         */

        public double getEndWidth() {

                return endWidth;

        }

        /**

         * @param endWidth The endWidth to set.

         */

        public void setEndWidth(double endWidth) {

                this.endWidth = endWidth;

        }

        /**

         * @return Returns the extrusion.

         */

        public double[] getExtrusion() {

                return extrusion;

        }

        /**

         * @param extrusion The extrusion to set.

         */

        public void setExtrusion(double[] extrusion) {

                this.extrusion = extrusion;

        }

        /* (non-Javadoc)

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

         */

        public Object clone() {

                DwgPolyline2D dwgPolyline2D = new DwgPolyline2D();

                dwgPolyline2D.setType(type);

                dwgPolyline2D.setHandle(handle);

                dwgPolyline2D.setVersion(version);

                dwgPolyline2D.setMode(mode);

                dwgPolyline2D.setLayerHandle(layerHandle);

                dwgPolyline2D.setColor(color);

                dwgPolyline2D.setNumReactors(numReactors);

                dwgPolyline2D.setNoLinks(noLinks);

                dwgPolyline2D.setLinetypeFlags(linetypeFlags);

                dwgPolyline2D.setPlotstyleFlags(plotstyleFlags);

                dwgPolyline2D.setSizeInBits(sizeInBits);

                dwgPolyline2D.setExtendedData(extendedData);

                dwgPolyline2D.setGraphicData(graphicData);

                //dwgPolyline2D.setInsideBlock(insideBlock);

                dwgPolyline2D.setFlags(flags);

                dwgPolyline2D.setCurveType(curveType);

                dwgPolyline2D.setInitWidth(initWidth);

                dwgPolyline2D.setEndWidth(endWidth);

                dwgPolyline2D.setThickness(thickness);

                dwgPolyline2D.setElevation(elevation);

                dwgPolyline2D.setExtrusion(extrusion);

                dwgPolyline2D.setFirstVertexHandle(firstVertexHandle);

                dwgPolyline2D.setLastVertexHandle(lastVertexHandle);

                dwgPolyline2D.setSeqendHandle(seqendHandle);

                dwgPolyline2D.setPts(pts);

                dwgPolyline2D.setBulges(bulges);

                return dwgPolyline2D;

        }

}