Application: gvSIG desktop

import java.util.List;

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

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

import com.iver.cit.jdwglib.dwg.objects.DwgSpline;

public class DwgSplineReader1314 extends AbstractDwg1314Reader{

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

		if(! (dwgObj instanceof DwgSpline))

	    	throw new RuntimeException("ArcReader 14 solo puede leer DwgSpline");

		DwgSpline spline = (DwgSpline) dwgObj;

		int bitPos = offset;

		bitPos = headTailReader.readObjectHeader(data, bitPos, spline );

		List val = DwgUtil.getBitShort(data, bitPos);

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

		int scenario = ((Integer) val.get(1)).intValue();

		val = DwgUtil.getBitShort(data, bitPos);

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

		int degree = ((Integer) val.get(1)).intValue();

		spline.setDegree(degree);

		int knots = 0;

		int numCtPts = 0;

		int numFitPts = 0;

		boolean weight = false;

		switch(scenario){

			case 2:

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double fitTolerance = ((Integer) val.get(1)).intValue();

				spline.setFitTolerance(fitTolerance);

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double x = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double y = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double z = ((Integer) val.get(1)).intValue();

				spline.setBeginTanVector(new double[]{x, y, z});

				val = DwgUtil.getBitDouble(data, bitPos);

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

				x = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				y = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				z = ((Integer) val.get(1)).intValue();

				spline.setEndTanVector(new double[]{x, y, z});

				val = DwgUtil.getBitShort(data, bitPos);

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

				numFitPts = ((Integer) val.get(1)).intValue();

			break;

			case 1:

				val = DwgUtil.testBit(data, bitPos);

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

				boolean rational  = ((Boolean) val.get(1)).booleanValue();

				val = DwgUtil.testBit(data, bitPos);

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

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

				val = DwgUtil.testBit(data, bitPos);

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

				boolean periodic  = ((Boolean) val.get(1)).booleanValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

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

				spline.setKnotTolerance(knotTolerance);

				val = DwgUtil.getBitDouble(data, bitPos);

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

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

				spline.setControlTolerance(controlTolerance);

				val = DwgUtil.getBitLong(data, bitPos);

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

				knots = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitLong(data, bitPos);

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

				numCtPts = ((Integer) val.get(1)).intValue();

				val = DwgUtil.testBit(data, bitPos);

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

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

			break;

			default:

				System.out.println("Unexpected spline scenario "+scenario);

			break;

		}

		if(knots > 0){

			double[] knotsArray = new double[knots];

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

				val = DwgUtil.getBitDouble(data, bitPos);

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

				knotsArray[i] = ((Double) val.get(1)).doubleValue();

			}

			spline.setKnotPoints(knotsArray);

		}

		if(numCtPts > 0){

			double[][] ctrlPoint = new double[3][numCtPts];

			double[] weights = new double[numCtPts];

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

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double x = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double y = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double z = ((Integer) val.get(1)).intValue();

				ctrlPoint[0][i] = x;

				ctrlPoint[1][i] = y;

				ctrlPoint[2][i] = z;

				if(weight){

					val = DwgUtil.getBitDouble(data, bitPos);

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

					weights[i] = ((Integer) val.get(1)).intValue();

				}

			}//for

			spline.setControlPoints(ctrlPoint);

			spline.setWeights(weights);

		}//if

		if(numFitPts > 0){

			double[][] fitPoint = new double[3][numCtPts];

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

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double x = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double y = ((Integer) val.get(1)).intValue();

				val = DwgUtil.getBitDouble(data, bitPos);

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

				double z = ((Integer) val.get(1)).intValue();

				fitPoint[0][i] = x;

				fitPoint[1][i] = y;

				fitPoint[2][i] = z;

			}

			spline.setFitPoints(fitPoint);

		}

		bitPos = headTailReader.readObjectTailer(data, bitPos, spline);