Application: gvSIG desktop » gvSIG data provider for DWG

/*

 * Created on 25-ene-2007 by azabala

 *

 */

package org.gvsig.dwg.lib.readers.v2004;

import java.util.ArrayList;

import org.gvsig.dwg.lib.CorruptedDwgEntityException;

import org.gvsig.dwg.lib.DwgObject;

import org.gvsig.dwg.lib.DwgUtil;

import org.gvsig.dwg.lib.objects.DwgSpline;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author alzabord

 *

 * TODO To change the template for this generated type comment go to

 * Window - Preferences - Java - Code Style - Code Templates

 */

public class DwgSplineReader2004 extends AbstractDwg2004Reader{

        private static Logger logger = LoggerFactory.getLogger(DwgSplineReader2004.class.getName());

        /* (non-Javadoc)

         * @see com.iver.cit.jdwglib.dwg.readers.IDwgObjectReader#readSpecificObj(int[], int, com.iver.cit.jdwglib.dwg.DwgObject)

         */

        public void readSpecificObj(int[] data, int offset, DwgObject dwgObj) throws RuntimeException, CorruptedDwgEntityException {

                if(! (dwgObj instanceof DwgSpline))

                        throw new RuntimeException("DwgSplineReader2004 solo puede leer DwgSpline");

                DwgSpline spline = (DwgSpline) dwgObj;

                int bitPos = offset;

                bitPos = readObjectHeader(data, bitPos, spline);

                System.out.println("posActual = "+bitPos);

                ArrayList v;

                v = DwgUtil.getBitShort(data, bitPos);

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

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

                spline.setScenario(sc);

                v = DwgUtil.getBitShort(data, bitPos);

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

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

                spline.setDegree(deg);

                int knotsNumber = 0;

                int controlPointsNumber = 0;

                int fitPointsNumber = 0;

                boolean weight = false;

                if (sc==2) {

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                        spline.setFitTolerance(ft);

                        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};

                        spline.setBeginTanVector(coord);

                        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};

                        spline.setEndTanVector(coord);

                        v = DwgUtil.getBitShort(data, bitPos);

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

                        fitPointsNumber = ((Integer)v.get(1)).intValue();

                } else if (sc==1) {

                        v = DwgUtil.testBit(data, bitPos);

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

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

                        spline.setRational(rat);

                        v = DwgUtil.testBit(data, bitPos);

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

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

                        spline.setClosed(closed);

                        v = DwgUtil.testBit(data, bitPos);

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

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

                        spline.setPeriodic(per);

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                        spline.setKnotTolerance(ktol);

                        v = DwgUtil.getBitDouble(data, bitPos);

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

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

                        spline.setControlTolerance(ctol);

                        v = DwgUtil.getBitLong(data, bitPos);

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

                        knotsNumber = ((Integer)v.get(1)).intValue();

                        v = DwgUtil.getBitLong(data, bitPos);

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

                        controlPointsNumber = ((Integer)v.get(1)).intValue();

                        v = DwgUtil.testBit(data, bitPos);

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

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

                } else {

                        logger.warn("ERROR: Escenario desconocido");

                }

                if (knotsNumber>0) {

                        double[] knotpts = new double[knotsNumber];

                        for (int i=0;i<knotsNumber;i++) {

                                v = DwgUtil.getBitDouble(data, bitPos);

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

                                knotpts[i] = ((Double)v.get(1)).doubleValue();

                        }

                        spline.setKnotPoints(knotpts);

                }

                if (controlPointsNumber>0) {

                        // Si el número de weights no coincide con el de ctrlpts habrá problemas ...

                        double[][] ctrlpts = new double[controlPointsNumber][3];

                        double[] weights = new double[controlPointsNumber];

                        for (int i=0;i<controlPointsNumber;i++) {

                                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();

                                ctrlpts[i][0] = x;

                                ctrlpts[i][1] = y;

                                ctrlpts[i][2] = z;

                                if (weight) {

                                        v = DwgUtil.getBitDouble(data, bitPos);

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

                                        weights[i] = ((Double)v.get(1)).doubleValue();

                                }

                        }

                        spline.setControlPoints(ctrlpts);

                        if (weight) {

                                spline.setWeights(weights);

                        }

                }

                if (fitPointsNumber>0) {

                        double[][] fitpts = new double[fitPointsNumber][3];

                        for (int i=0;i<fitPointsNumber;i++) {

                                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();

                                fitpts[i][0] = x;

                                fitpts[i][1] = y;

                                fitpts[i][2] = z;

                        }

                        spline.setFitPoints(fitpts);

                }

                bitPos = readObjectTailer(data, bitPos, spline);

        }

}