Application: gvSIG desktop » gvSIG data provider for DWG

/*

 * Created on 25-ene-2007 by azabala

 *

 */

package org.gvsig.dwg.lib.readers.v1314;

import java.util.List;

import org.gvsig.dwg.lib.CorruptedDwgEntityException;

import org.gvsig.dwg.lib.DwgHandleReference;

import org.gvsig.dwg.lib.DwgObject;

import org.gvsig.dwg.lib.DwgUtil;

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

/**

 * @author alzabord

 *

 */

public class DwgBlockHeaderReader1314 extends AbstractDwg1314Reader{

        /* (non-Javadoc)

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

         */

        //TODO REVISAR COMO TRATAR LAS REFERENCIAS EXTERNAS

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

                 if(! (dwgObj instanceof DwgBlockHeader))

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

                 DwgBlockHeader blk = (DwgBlockHeader) dwgObj;

                 int bitPos = offset;

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

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

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

                 blk.setNumReactors(numReactors);

                 val = DwgUtil.getTextString(data, bitPos);

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

                 String name = (String) val.get(1);

                 blk.setName(name);

                 val = DwgUtil.testBit(data, bitPos);

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

                 boolean flag64 = ((Boolean) val.get(1)).booleanValue();

                 blk.setFlag64(flag64);

                 val = DwgUtil.getBitShort(data, bitPos);

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

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

                 blk.setXRefPlus(xRefPlus);

                 val = DwgUtil.testBit(data, bitPos);

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

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

                 blk.setXdep(xdep);

                 val = DwgUtil.testBit(data, bitPos);

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

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

                 blk.setAnonymous(anonymous);

                 val = DwgUtil.testBit(data, bitPos);

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

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

                 blk.setHasAttrs(hasAttr);

                 val = DwgUtil.testBit(data, bitPos);

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

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

                 blk.setBlkIsXRef(blkIsXref);

                 val = DwgUtil.testBit(data, bitPos);

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

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

                 blk.setXRefOverLaid(xOver);

                 val = DwgUtil.getBitDouble(data, bitPos);

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

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

                 val = DwgUtil.getBitDouble(data, bitPos);

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

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

                 val = DwgUtil.getBitDouble(data, bitPos);

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

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

                 blk.setBasePoint(new double[]{x, y, z});

                 val = DwgUtil.getTextString(data, bitPos);

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

                 String xRefPname = (String) val.get(1);

                 blk.setXRefPName(xRefPname);

                 DwgHandleReference handle = new DwgHandleReference();

                 bitPos = handle.read(data, bitPos);

                 blk.setBlockControlHandle(handle);

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

                         handle = new DwgHandleReference();

                         bitPos = handle.read(data, bitPos);

                         blk.addReactorHandle(handle);

                 }

                 handle = new DwgHandleReference();

                 bitPos = handle.read(data, bitPos);

                 blk.setXDicObjHandle(handle);

                 handle = new DwgHandleReference();

                 bitPos = handle.read(data, bitPos);

                 blk.setNullHandle(handle);

                 //En python no se llama a head ni tailer,

                 //luego este debe ser el handle

                 handle = new DwgHandleReference();

                 bitPos = handle.read(data, bitPos);

                 blk.setHandle(handle);

                 /*

                  * Esto aclara algo: un bloque solo mantiene referencias

                  * a sus entidades SI NO ES UNA REFERENCIA EXTERNA

                  * */

                 if(! blkIsXref && ! xOver){

                         handle = new DwgHandleReference();

                         bitPos = handle.read(data, bitPos);

                         blk.setFirstEntityHandle(handle);

                         handle = new DwgHandleReference();

                         bitPos = handle.read(data, bitPos);

                         blk.setLastEntityHandle(handle);

                 }

                 handle = new DwgHandleReference();

                 bitPos = handle.read(data, bitPos);

                 blk.setEndBlkEntityHandle(handle);

        }

}