root / trunk / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / readers / DwgFileV12Reader.java @ 10585
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/*
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* Created on 09-ene-2007
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.jdwglib.dwg.readers; |
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import java.awt.geom.Point2D; |
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import java.io.IOException; |
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import java.nio.ByteBuffer; |
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import java.nio.ByteOrder; |
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import java.util.ArrayList; |
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import java.util.List; |
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import com.iver.cit.jdwglib.dwg.CorruptedDwgEntityException; |
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import com.iver.cit.jdwglib.dwg.DwgFile; |
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import com.iver.cit.jdwglib.dwg.DwgHandleReference; |
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import com.iver.cit.jdwglib.dwg.DwgObject; |
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import com.iver.cit.jdwglib.dwg.DwgObjectFactory; |
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import com.iver.cit.jdwglib.dwg.DwgUtil; |
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import com.iver.cit.jdwglib.dwg.objects.DwgArc; |
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import com.iver.cit.jdwglib.dwg.objects.DwgBlockHeader; |
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import com.iver.cit.jdwglib.dwg.objects.DwgCircle; |
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import com.iver.cit.jdwglib.dwg.objects.DwgInsert; |
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import com.iver.cit.jdwglib.dwg.objects.DwgLayer; |
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import com.iver.cit.jdwglib.dwg.objects.DwgLine; |
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import com.iver.cit.jdwglib.dwg.objects.DwgPoint; |
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import com.iver.cit.jdwglib.dwg.objects.DwgSolid; |
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import com.iver.cit.jdwglib.dwg.objects.DwgText; |
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import com.iver.cit.jdwglib.util.ByteUtils; |
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/**
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* Reads version 12 dwg files.
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*
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* DWG 13 and DWG 12 are very different formats (nor do DWG 13-14 and 2000).
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* Thats the reason why this IDwgFileReader is very different from the rest.
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*
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* Documentation of reverse engineering of the format:
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* http://www.iwriteiam.nl/DWG12.html
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*
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* @author azabala
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*
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*/
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public class DwgFileV12Reader implements IDwgFileReader{ |
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private DwgFile dwgFile;
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private ByteBuffer bb; |
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ArrayList readers = new ArrayList(); |
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/*
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* En Python:
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* if _version != 'AC1009':
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if _version == 'AC1010':
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r13 = True
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else:
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print "unknown version"
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*
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* */
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private boolean r13 = false; |
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int index = 0; |
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public DwgFileV12Reader(boolean isR13){ |
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r13 = isR13; |
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readers.add(null);
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readers.add(new LineReader());
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readers.add(new PointReader());
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readers.add(new CircleReader());
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readers.add(new ShapeReader());
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readers.add(null);
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readers.add(null);
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readers.add(new TextReader());
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readers.add(new ArcReader());
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readers.add(new TraceReader());
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readers.add(null);
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readers.add(null);
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readers.add(new SolidReader());
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readers.add(new BlkReader());
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readers.add(new EndBlkReader());
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readers.add(new InsertReader());
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readers.add(new AttDefReader());
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readers.add(new AttribReader());
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readers.add(new SbEndReader());
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readers.add(null);
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readers.add(new PlineReader());
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readers.add(new VertexReader());
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readers.add(null);
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readers.add(new Face3DReader());
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readers.add(new DimReader());
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readers.add(new VPortReader());
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#read(com.iver.cit.jdwglib.dwg.DwgFile, java.nio.ByteBuffer)
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*/
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public void read(DwgFile dwgFile, ByteBuffer bb) throws IOException { |
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this.dwgFile = dwgFile;
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this.bb = bb;
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try {
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//// handle.seek(6, 1) # skip rest of version
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// bb.position(12);
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// bb.position(bb.position() + 6);
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bb.position(0);
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byte[] header = new byte[12]; |
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bb.get(header); |
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String headerStr = new String(header); |
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System.out.println(headerStr);
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// (_b1, _w1, _w2, _w3, _b2) = struct.unpack("<BhhhB", handle.read(8))
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bb.order(ByteOrder.LITTLE_ENDIAN);
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byte b1 = bb.get();
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short w1 = bb.getShort();
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short w2 = bb.getShort();
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short w3 = bb.getShort();
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byte b2 = bb.get();
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//To translate Python to Java, we must see the number
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//of bytes of the reading
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// _estart, _eend = struct.unpack("<ll", handle.read(8))
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bb.order(ByteOrder.LITTLE_ENDIAN);
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int eStart = bb.getInt();
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int eEnd = bb.getInt();
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// _bsstart, _l1, _bsend, _l2 = struct.unpack("<llll", handle.read(16))
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int bsStart = bb.getInt();
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int l1 = bb.getInt();
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int bsEnd = bb.getInt();
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int l2 = bb.getInt();
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Dwg12Table blockTable = getTable(); |
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Dwg12Table layerTable = getTable(); |
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Dwg12Table styleTable = getTable(); |
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Dwg12Table lineTypeTable = getTable(); |
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Dwg12Table viewTable = getTable(); |
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readHeader(); |
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Dwg12Table ucsTable = getTable(); |
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bb.position(0x500);
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Dwg12Table vportTable = getTable(); |
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bb.position(bb.position() + 8);
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Dwg12Table appidTable = getTable(); |
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bb.position(bb.position() + 6);
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Dwg12Table dimStyleTable = getTable(); |
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bb.position(0x69f);
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Dwg12Table p13table = getTable(); |
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bb.position(bb.position() + 38);
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int currentPosition = bb.position();
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if(currentPosition != eStart){
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//Se supone que deber?amos estar en eStart
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throw new RuntimeException("Error: no se ha llegado al principio de las entidades de dibujo"); |
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} |
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//lee primero entidades normales?
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readEntities(eStart, eEnd); |
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bb.position(bb.position() + 19);
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readBlockTable(blockTable); |
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readLayerTable(layerTable); |
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readStyleTable(styleTable); |
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readLTypeTable(lineTypeTable); |
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readViewTable(viewTable); |
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readUcsTable(ucsTable); |
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readVportTable(vportTable); |
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readAppidTable(appidTable); |
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readDimStyleTable(dimStyleTable); |
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// readP13Table(p13table);
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//luego lee entidades de bloque
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readEntities(bsStart, bsEnd); |
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bb.position(bb.position() + 36);
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bb.order(ByteOrder.LITTLE_ENDIAN);
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int peStart, peEnd, pbStart, pbEnd;
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peStart = bb.getInt(); |
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peEnd = bb.getInt(); |
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pbStart = bb.getInt(); |
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pbEnd = bb.getInt(); |
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if(peStart != eStart)
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System.out.println("peStart="+peStart+" eStart="+eStart); |
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if(peEnd != eEnd)
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System.out.println("peStart="+peEnd+" eStart="+eEnd); |
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if(pbStart != bsStart)
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System.out.println("peStart="+pbStart+" eStart="+bsStart); |
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if(bsEnd != pbEnd)
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System.out.println("peStart="+pbStart+" eStart="+bsStart); |
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bb.position(bb.position() + 12);
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Dwg12TableTest bts = getTableTest(); |
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Dwg12TableTest lyrTs = getTableTest(); |
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Dwg12TableTest sts = getTableTest(); |
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Dwg12TableTest ltts = getTableTest(); |
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Dwg12TableTest vts = getTableTest(); |
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Dwg12TableTest uts = getTableTest(); |
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Dwg12TableTest vpts = getTableTest(); |
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Dwg12TableTest ats = getTableTest(); |
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Dwg12TableTest dts = getTableTest(); |
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Dwg12TableTest pts = getTableTest(); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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// logger.error(e);
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} |
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} |
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private void readP13Table(Dwg12Table p13table) { |
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// TODO Auto-generated method stub
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} |
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private void readDimStyleTable(Dwg12Table dimStyleTable) { |
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short size = dimStyleTable.s1;
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int numRecs = dimStyleTable.i1;
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int start = dimStyleTable.i2;
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int end = -1; |
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bb.position(start); |
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for(int i = 0; i < numRecs; i++){ |
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end = bb.position() + size; |
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byte flag = bb.get();
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byte[] nameBytes = new byte[32]; |
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bb.get(nameBytes); |
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String name = new String(nameBytes); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short word = bb.getShort();
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double[] d4048 = new double[9]; |
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for(int j = 0; j < 9; j++){ |
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d4048[j] = bb.getDouble(); |
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} |
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double[] d40145 = new double[6]; |
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for(int j = 0; j < 6; j++){ |
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d40145[j] = bb.getDouble(); |
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} |
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byte[] b7078 = new byte[7]; |
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for(int j = 0; j < 7; j++){ |
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b7078[j] = bb.get(); |
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} |
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byte[] b170175 = new byte[6]; |
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for(int j = 0; j < 6; j++){ |
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b170175[j] = bb.get(); |
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} |
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bb.order(ByteOrder.nativeOrder());
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byte[] s3 = new byte[16]; |
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bb.get(s3); |
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byte[] s4 = new byte[16]; |
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bb.get(s4); |
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byte[] s5 = new byte[32]; |
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bb.get(s5); |
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byte[] s6 = new byte[32]; |
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bb.get(s6); |
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byte[] s7 = new byte[32]; |
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bb.get(s6); |
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bb.position(bb.position() + 3);
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short w176 = bb.getShort();
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short w177 = bb.getShort();
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short w178 = bb.getShort();
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double d146 = bb.getDouble();
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double d147 = bb.getDouble();
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int offset = end - bb.position();
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if(offset > 0) |
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bb.position(bb.position() + offset); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short crc = bb.getShort();
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} |
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byte[] crc32 = new byte[32]; |
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bb.get(crc32); |
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} |
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private void readAppidTable(Dwg12Table appidTable) { |
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short size = appidTable.s1;
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int numRecs = appidTable.i1;
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int start = appidTable.i2;
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int end = -1; |
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bb.position(start); |
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for(int i = 0; i < numRecs; i++){ |
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end = bb.position() + size; |
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byte flag = bb.get();
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byte[] nameBytes = new byte[32]; |
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bb.get(nameBytes); |
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String name = new String(nameBytes); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short word = bb.getShort();
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int offset = end - bb.position();
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if(offset > 0) |
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bb.position(bb.position() + offset); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short crc = bb.getShort();
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} |
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byte[] crc32 = new byte[32]; |
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bb.get(crc32); |
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} |
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private void readVportTable(Dwg12Table vportTable) { |
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short size = vportTable.s1;
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int numRecs = vportTable.i1;
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int start = vportTable.i2;
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int end = -1; |
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bb.position(start); |
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for(int i = 0; i < numRecs; i++){ |
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end = bb.position() + size; |
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byte flag = bb.get();
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byte[] nameBytes = new byte[32]; |
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bb.get(nameBytes); |
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String name = new String(nameBytes); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short used = bb.getShort();
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double[] pt10 = getPoint(false); |
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double[] pt11 = getPoint(false); |
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double[] pt17 = getPoint(false); |
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double[] pt16 = getPoint(true); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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double d50 = bb.getDouble();
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double d40 = bb.getDouble();
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double[] pt12 = getPoint(false); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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double d41 = bb.getDouble();
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double d42 = bb.getDouble();
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double d43 = bb.getDouble();
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double d44 = bb.getDouble();
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short[] w7178 = new short[8]; |
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for(int j = 0; j < 8; j++){ |
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w7178[j] = bb.getShort(); |
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} |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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double d51 = bb.getDouble();
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double[] pt13 = getPoint(false); |
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double[] pt14 = getPoint(false); |
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double[] pt15 = getPoint(false); |
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int offset = end - bb.position();
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if(offset > 0) |
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bb.position(bb.position() + offset); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short crc = bb.getShort();
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} |
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byte[] crc32 = new byte[32]; |
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bb.get(crc32); |
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} |
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private void readUcsTable(Dwg12Table ucsTable) { |
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short size = ucsTable.s1;
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int numRecs = ucsTable.i1;
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int start = ucsTable.i2;
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int end = -1; |
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bb.position(start); |
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for(int i = 0; i < numRecs; i++){ |
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end = bb.position() + size; |
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byte flag = bb.get();
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byte[] nameBytes = new byte[32]; |
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bb.get(nameBytes); |
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String name = new String(nameBytes); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short used = bb.getShort();
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double[] pt10 = getPoint(true); |
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double[] pt11 = getPoint(true); |
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double[] pt12 = getPoint(true); |
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int offset = end - bb.position();
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if(offset > 0) |
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bb.position(bb.position() + offset); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short crc = bb.getShort();
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} |
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byte[] crc32 = new byte[32]; |
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bb.get(crc32); |
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} |
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private void readViewTable(Dwg12Table viewTable) { |
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short size = viewTable.s1;
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int numRecs = viewTable.i1;
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int start = viewTable.i2;
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int end = -1; |
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bb.position(start); |
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for(int i = 0; i < numRecs; i++){ |
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end = bb.position() + size; |
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byte flag = bb.get();
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byte[] nameBytes = new byte[32]; |
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bb.get(nameBytes); |
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String name = new String(nameBytes); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short used = bb.getShort();
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double db40 = bb.getDouble();
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double[] pt10 = getPoint(false); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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double db41 = bb.getDouble();
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double[] pt11 = getPoint(true); |
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double[] pt12 = getPoint(true); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short w71 = bb.getShort();
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double db42 = bb.getDouble();
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double db43 = bb.getDouble();
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double db44 = bb.getDouble();
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double db50 = bb.getDouble();
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int offset = end - bb.position();
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if(offset > 0) |
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bb.position(bb.position() + offset); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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short crc = bb.getShort();
|
534 |
|
535 |
|
536 |
} |
537 |
byte[] crc32 = new byte[32]; |
538 |
bb.get(crc32); |
539 |
} |
540 |
|
541 |
|
542 |
|
543 |
private void readLTypeTable(Dwg12Table lineTypeTable) { |
544 |
short size = lineTypeTable.s1;
|
545 |
int numRecs = lineTypeTable.i1;
|
546 |
int start = lineTypeTable.i2;
|
547 |
int end = -1; |
548 |
bb.position(start); |
549 |
for(int i = 0; i < numRecs; i++){ |
550 |
end = bb.position() + size; |
551 |
byte flag = bb.get();
|
552 |
byte[] nameBytes = new byte[32]; |
553 |
bb.get(nameBytes); |
554 |
String name = new String(nameBytes); |
555 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
556 |
short w1 = bb.getShort();
|
557 |
|
558 |
byte[] s1 = new byte[48]; |
559 |
bb.get(s1); |
560 |
String s1name = new String(s1); |
561 |
|
562 |
bb.order(ByteOrder.nativeOrder());
|
563 |
byte b1 = bb.get();
|
564 |
byte b2 = bb.get();
|
565 |
|
566 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
567 |
double[] doubles = new double[13]; |
568 |
for(int j = 0; j < 13; j++){ |
569 |
doubles[j] = bb.getDouble(); |
570 |
} |
571 |
|
572 |
short crc = bb.getShort();
|
573 |
|
574 |
int offset = end - bb.position();
|
575 |
if(offset > 0) |
576 |
bb.position(bb.position() + offset); |
577 |
} |
578 |
byte[] crc32 = new byte[32]; |
579 |
bb.get(crc32); |
580 |
} |
581 |
|
582 |
|
583 |
|
584 |
/**
|
585 |
* @param styleTable
|
586 |
*/
|
587 |
private void readStyleTable(Dwg12Table styleTable) { |
588 |
short size = styleTable.s1;
|
589 |
int numRecs = styleTable.i1;
|
590 |
int start = styleTable.i2;
|
591 |
int end = -1; |
592 |
bb.position(start); |
593 |
for(int i = 0; i < numRecs; i++){ |
594 |
end = bb.position() + size; |
595 |
byte flag = bb.get();
|
596 |
byte[] nameBytes = new byte[32]; |
597 |
bb.get(nameBytes); |
598 |
String name = new String(nameBytes); |
599 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
600 |
short w1 = bb.getShort();
|
601 |
double d1 = bb.getDouble();
|
602 |
double d2 = bb.getDouble();
|
603 |
double d3 = bb.getDouble();
|
604 |
byte b1 = bb.get();
|
605 |
double d4 = bb.getDouble();
|
606 |
|
607 |
byte[] s1 = new byte[128]; |
608 |
bb.get(s1); |
609 |
|
610 |
short crc = bb.getShort();
|
611 |
int offset = end - bb.position();
|
612 |
if(offset > 0) |
613 |
bb.position(bb.position() + offset); |
614 |
} |
615 |
byte[] crc32 = new byte[32]; |
616 |
bb.get(crc32); |
617 |
} |
618 |
|
619 |
|
620 |
|
621 |
/**
|
622 |
* @param layerTable
|
623 |
*/
|
624 |
private void readLayerTable(Dwg12Table layerTable) { |
625 |
short size = layerTable.s1;
|
626 |
int numR = layerTable.i1;
|
627 |
int start = layerTable.i2;
|
628 |
int end = -1; |
629 |
bb.position(start); |
630 |
|
631 |
DwgLayer layer = null;
|
632 |
|
633 |
|
634 |
for(int i = 0; i < numR; i++){ |
635 |
|
636 |
layer = new DwgLayer(index);
|
637 |
index++; |
638 |
end = bb.position() + size; |
639 |
byte flag = bb.get();
|
640 |
/*
|
641 |
+=====================================================+
|
642 |
| Flag bit | Meaning |
|
643 |
| value | |
|
644 |
|----------|------------------------------------------|
|
645 |
| 1 | If set, layer is frozen |
|
646 |
|----------|------------------------------------------|
|
647 |
| 2 | If set, layer is frozen by default in |
|
648 |
| | new Viewports |
|
649 |
|----------|------------------------------------------|
|
650 |
| 4 | If set, layer is locked |
|
651 |
+-----------------------------------------------------+
|
652 |
* */
|
653 |
if((flag & 0x1) > 0){ |
654 |
layer.setFrozen(true);
|
655 |
} |
656 |
if((flag & 0x2) > 0){ |
657 |
layer.setFrozenInNew(true);
|
658 |
} |
659 |
if((flag & 0x4) > 0){ |
660 |
layer.setLocked(true);
|
661 |
} |
662 |
|
663 |
byte[] nameByte = new byte[32]; |
664 |
bb.get(nameByte); |
665 |
String name = new String(nameByte); |
666 |
layer.setName(name); |
667 |
|
668 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
669 |
short used = bb.getShort();
|
670 |
short color = bb.getShort();
|
671 |
layer.setColor(color); |
672 |
short style = bb.getShort();
|
673 |
short crc = bb.getShort();
|
674 |
|
675 |
int offset = end - bb.position();
|
676 |
|
677 |
//TODO Vemos si el indice que ocupa la layer en la tabla
|
678 |
//de layers se corresponde con el valor short de las entidades
|
679 |
//graficas
|
680 |
DwgHandleReference handle = new DwgHandleReference(0x5, i); |
681 |
layer.setHandle(handle); |
682 |
dwgFile.addDwgObject(layer); |
683 |
if(offset > 0) |
684 |
bb.position(bb.position() + offset); |
685 |
|
686 |
} |
687 |
byte[] crc32 = new byte[32]; |
688 |
bb.get(crc32); |
689 |
} |
690 |
|
691 |
|
692 |
interface EntityReader{ |
693 |
void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj); |
694 |
} |
695 |
|
696 |
/**
|
697 |
* In DWG 12 version, some kind of objects (Polylines and Vertex) cannot be
|
698 |
* instanciated until the EntityReader has readed some stuff (flags and so)
|
699 |
* from the file.
|
700 |
*
|
701 |
* DifferedEntityReader has the responsability to create DwgObject instances,
|
702 |
* and it has the precondition that DwgObject parameter of its method read must
|
703 |
* be null.
|
704 |
* */
|
705 |
abstract class DifferedEntityReader implements EntityReader{ |
706 |
abstract DwgObject getDwgObject();
|
707 |
|
708 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj){ |
709 |
if(dwgObj != null) |
710 |
throw new RuntimeException("DifferedEntityReader es el encargado de construir los objetos, debe recibirlos a null"); |
711 |
} |
712 |
|
713 |
} |
714 |
|
715 |
class LineReader implements EntityReader{ |
716 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
717 |
if(! (dwgObj instanceof DwgLine)) |
718 |
throw new RuntimeException("No es entidad LINE"); |
719 |
DwgLine line = (DwgLine) dwgObj; |
720 |
|
721 |
boolean zflag = true; |
722 |
if( (flags & 0x4) > 0) |
723 |
zflag = false;
|
724 |
|
725 |
double[] pt10 = getPoint(zflag); |
726 |
double[] pt11 = getPoint(zflag); |
727 |
|
728 |
line.setP1(pt10); |
729 |
line.setP2(pt11); |
730 |
|
731 |
if((opts & 0x1) > 0){ |
732 |
double[] pt210 = getPoint(true); |
733 |
line.setExtrusion(pt210); |
734 |
} |
735 |
|
736 |
if((opts & 0x2) > 0){ |
737 |
/*
|
738 |
* This field is only found in DWG12 prev
|
739 |
* files. Since DWG 12, elevation is saved
|
740 |
* in third coordinate of points.
|
741 |
*
|
742 |
* */
|
743 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
744 |
double db38 = bb.getDouble();
|
745 |
line.getP1()[2] = db38;
|
746 |
line.getP2()[2] = db38;
|
747 |
} |
748 |
} |
749 |
} |
750 |
|
751 |
|
752 |
|
753 |
class PointReader implements EntityReader{ |
754 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
755 |
if(! (dwgObj instanceof DwgPoint)) |
756 |
throw new RuntimeException("No es entidad POINT"); |
757 |
DwgPoint point = (DwgPoint) dwgObj; |
758 |
boolean zflag = true; |
759 |
if((flags & 0x4) > 0) |
760 |
zflag = false;
|
761 |
double[] pt10 = getPoint(zflag); |
762 |
point.setPoint(pt10); |
763 |
|
764 |
if((opts & 0x1) > 0){ |
765 |
double[] pt210 = getPoint(true); |
766 |
point.setExtrusion(pt210); |
767 |
} |
768 |
|
769 |
if((opts & 0x2) > 0){ |
770 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
771 |
double db38 = bb.getDouble();
|
772 |
point.getPoint()[2] = db38;
|
773 |
} |
774 |
} |
775 |
} |
776 |
|
777 |
|
778 |
class CircleReader implements EntityReader{ |
779 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
780 |
if(! (dwgObj instanceof DwgCircle)) |
781 |
throw new RuntimeException("No es entidad CIRCLE"); |
782 |
DwgCircle circle = (DwgCircle) dwgObj; |
783 |
|
784 |
boolean zflag = true; |
785 |
if((flags & 0x4) > 0) |
786 |
zflag = false;
|
787 |
double[] pt10 = getPoint(zflag); |
788 |
circle.setCenter(pt10); |
789 |
|
790 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
791 |
double d40 = bb.getDouble();
|
792 |
circle.setRadius(d40); |
793 |
|
794 |
if((opts & 0x1) > 0){ |
795 |
double[] pt210 = getPoint(true); |
796 |
circle.setExtrusion(pt210); |
797 |
} |
798 |
|
799 |
if((opts & 0x2) > 0){ |
800 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
801 |
double db38 = bb.getDouble();
|
802 |
circle.getCenter()[2] = db38;
|
803 |
} |
804 |
} |
805 |
} |
806 |
|
807 |
|
808 |
|
809 |
class ShapeReader implements EntityReader{ |
810 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
811 |
|
812 |
//TODO POR IMPLEMENTAR DwgShape (referencia a un
|
813 |
//fichero de texto)
|
814 |
|
815 |
double[] pt10 = getPoint(false); |
816 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
817 |
short w2 = bb.getShort();
|
818 |
if((opts & 0x1) > 0){ |
819 |
double[] pt210 = getPoint(true); |
820 |
} |
821 |
if((opts & 0x2) > 0){ |
822 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
823 |
double db38 = bb.getDouble();
|
824 |
} |
825 |
} |
826 |
} |
827 |
|
828 |
public String getString(){ |
829 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
830 |
short len = bb.getShort();
|
831 |
byte[] bytes = new byte[len]; |
832 |
bb.order(ByteOrder.nativeOrder());
|
833 |
bb.get(bytes); |
834 |
return new String(bytes); |
835 |
} |
836 |
|
837 |
|
838 |
class TextReader implements EntityReader{ |
839 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
840 |
|
841 |
if(! (dwgObj instanceof DwgText)) |
842 |
throw new RuntimeException("No es entidad TEXT"); |
843 |
DwgText txt = (DwgText) dwgObj; |
844 |
|
845 |
|
846 |
double[] pt10 = getPoint(false); |
847 |
txt.setInsertionPoint(new Point2D.Double(pt10[0], pt10[1])); |
848 |
|
849 |
|
850 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
851 |
double db40 = bb.getDouble();
|
852 |
txt.setHeight(db40); |
853 |
|
854 |
|
855 |
|
856 |
String text = getString();
|
857 |
txt.setText(text); |
858 |
if((opts & 0x1) > 0){ |
859 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
860 |
double db50 = bb.getDouble();
|
861 |
txt.setRotationAngle(db50); |
862 |
} |
863 |
if((opts & 0x2) > 0){ |
864 |
double db41 = bb.getDouble();
|
865 |
txt.setWidthFactor(db41);//TODO 41 es width factor seguro?
|
866 |
} |
867 |
if((opts & 0x4) > 0){ |
868 |
double db51 = bb.getDouble();
|
869 |
txt.setObliqueAngle(db51); |
870 |
} |
871 |
if((opts & 0x8) > 0){ |
872 |
byte b7 = bb.get();
|
873 |
} |
874 |
if((opts & 0x10) > 0){ |
875 |
byte b71 = bb.get();
|
876 |
//parametros de mirroring
|
877 |
txt.setGeneration(b71); |
878 |
} |
879 |
if((opts & 0x20) > 0){ |
880 |
byte b72 = bb.get();
|
881 |
txt.setHalign(b72); |
882 |
} |
883 |
if((opts & 0x40) > 0){ |
884 |
double[] pt11 = getPoint(false); |
885 |
txt.setAlignmentPoint(new Point2D.Double(pt11[0], pt11[1])); |
886 |
} |
887 |
if((opts & 0x100) > 0){ |
888 |
byte b73 = bb.get();
|
889 |
txt.setValign(b73); |
890 |
} |
891 |
|
892 |
//TODO La especificaci?n DXF 12 dice que la extrusion
|
893 |
//codigos DXF 210, 220, 230 se aplica sobre:
|
894 |
/*
|
895 |
Line, Point, Circle, Shape, Text, Arc, Trace,
|
896 |
Solid, Block Reference, Polyline,
|
897 |
Dimension, Attribute, and Attribute Definition entity
|
898 |
|
899 |
Pero aqu? no aparece por ningun lado la extrusion
|
900 |
* */
|
901 |
double[] ext = new double[]{0, 0, 1}; |
902 |
txt.setExtrusion(ext); |
903 |
} |
904 |
} |
905 |
|
906 |
|
907 |
class ArcReader implements EntityReader{ |
908 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
909 |
if(! (dwgObj instanceof DwgArc)) |
910 |
throw new RuntimeException("No es entidad ARC"); |
911 |
DwgArc arc = (DwgArc) dwgObj; |
912 |
|
913 |
double[] pt10 = getPoint(false); |
914 |
arc.setCenter(pt10); |
915 |
|
916 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
917 |
double d40 = bb.getDouble();
|
918 |
arc.setRadius(d40); |
919 |
|
920 |
double d50 = bb.getDouble();
|
921 |
arc.setInitAngle(d50); |
922 |
|
923 |
double d51 = bb.getDouble();
|
924 |
arc.setEndAngle(51);
|
925 |
|
926 |
if((opts & 0x1) > 0){ |
927 |
double[] pt210 = getPoint(true); |
928 |
arc.setExtrusion(pt210); |
929 |
} |
930 |
if((opts & 0x2) > 0){ |
931 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
932 |
double db38 = bb.getDouble();
|
933 |
arc.getCenter()[2] = db38;
|
934 |
} |
935 |
} |
936 |
} |
937 |
|
938 |
|
939 |
|
940 |
class TraceReader implements EntityReader{ |
941 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
942 |
//TODO Implementar DwgTrace
|
943 |
double[] pt10 = getPoint(false); |
944 |
double[] pt11 = getPoint(false); |
945 |
double[] pt12 = getPoint(false); |
946 |
double[] pt13 = getPoint(false); |
947 |
if((opts & 0x1) > 0){ |
948 |
double[] pt210 = getPoint(true); |
949 |
} |
950 |
if((opts & 0x2) > 0){ |
951 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
952 |
double db38 = bb.getDouble();
|
953 |
} |
954 |
} |
955 |
} |
956 |
|
957 |
class SolidReader implements EntityReader{ |
958 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
959 |
if(! (dwgObj instanceof DwgSolid)) |
960 |
throw new RuntimeException("No es entidad SOLID"); |
961 |
DwgSolid solid = (DwgSolid) dwgObj; |
962 |
|
963 |
|
964 |
|
965 |
double[] pt11 = getPoint(false); |
966 |
solid.setCorner1(pt11); |
967 |
|
968 |
double[] pt12 = getPoint(false); |
969 |
solid.setCorner2(pt12); |
970 |
|
971 |
double[] pt13 = getPoint(false); |
972 |
solid.setCorner3(pt13); |
973 |
|
974 |
double[] pt14 = getPoint(false); |
975 |
solid.setCorner4(pt14); |
976 |
|
977 |
|
978 |
if((opts & 0x1) > 0){ |
979 |
double[] pt210 = getPoint(true); |
980 |
solid.setExtrusion(pt210); |
981 |
} |
982 |
if((opts & 0x2) > 0){ |
983 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
984 |
double db38 = bb.getDouble();
|
985 |
solid.getCorner1()[2] = db38;
|
986 |
solid.getCorner2()[2] = db38;
|
987 |
solid.getCorner3()[2] = db38;
|
988 |
solid.getCorner4()[2] = db38;
|
989 |
} |
990 |
} |
991 |
} |
992 |
|
993 |
class BlkReader implements EntityReader{ |
994 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
995 |
if(! (dwgObj instanceof DwgBlockHeader)) |
996 |
throw new RuntimeException("No es entidad BLOCK"); |
997 |
DwgBlockHeader blk = (DwgBlockHeader) dwgObj; |
998 |
|
999 |
|
1000 |
double[] pt10 = getPoint(false); |
1001 |
blk.setBasePoint(pt10); |
1002 |
String blockName = getString();
|
1003 |
|
1004 |
//TODO En DWG 12 no se distingue Block de BlockHeader, en ulteriores
|
1005 |
//versiones si
|
1006 |
//REVISAR EL CASO DE LOS BLOQUES
|
1007 |
|
1008 |
|
1009 |
if((opts & 0x2) > 0) |
1010 |
{ |
1011 |
//puede ser que se trate de referencias
|
1012 |
//externas??
|
1013 |
String s3 = getString();
|
1014 |
} |
1015 |
|
1016 |
if((flags & 1) > 0){ |
1017 |
blk.setAnonymous(true);
|
1018 |
} |
1019 |
|
1020 |
if((flags & 2) > 0){ |
1021 |
blk.setHasAttrs(true);
|
1022 |
} |
1023 |
|
1024 |
if((flags & 4) > 0){ |
1025 |
blk.setBlkIsXRef(true);
|
1026 |
} |
1027 |
|
1028 |
if((flags & 16) > 0){ |
1029 |
blk.setXdep(true);
|
1030 |
} |
1031 |
|
1032 |
if((flags & 32) > 0){ |
1033 |
blk.setXRefOverLaid(true);
|
1034 |
} |
1035 |
|
1036 |
if((flags & 64) > 0){ |
1037 |
blk.setLoaded(true);
|
1038 |
} |
1039 |
|
1040 |
|
1041 |
/*
|
1042 |
|
1043 |
1 | This is an anonymous Block generated by |
|
1044 |
| | hatching, associative dimensioning, other |
|
1045 |
| | internal operations, or an application |
|
1046 |
|----------|--------------------------------------------|
|
1047 |
| 2 | This Block has Attributes |
|
1048 |
|----------|--------------------------------------------|
|
1049 |
| 4 | This Block is an external reference (Xref) |
|
1050 |
|----------|--------------------------------------------|
|
1051 |
| 8 | not used |
|
1052 |
|----------|--------------------------------------------|
|
1053 |
| 16 | This Block is externally dependent |
|
1054 |
|----------|--------------------------------------------|
|
1055 |
| 32 | This is a resolved external reference, or |
|
1056 |
| | dependent of an external reference |
|
1057 |
|----------|--------------------------------------------|
|
1058 |
| 64 | This definition is referenced
|
1059 |
|
1060 |
*/
|
1061 |
|
1062 |
} |
1063 |
} |
1064 |
class EndBlkReader implements EntityReader{ |
1065 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {} |
1066 |
} |
1067 |
|
1068 |
class InsertReader implements EntityReader{ |
1069 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1070 |
if(! (dwgObj instanceof DwgInsert)) |
1071 |
throw new RuntimeException("No es entidad INSERT"); |
1072 |
DwgInsert insert = (DwgInsert) dwgObj; |
1073 |
|
1074 |
bb.order(ByteOrder.nativeOrder());
|
1075 |
short w1 = bb.getShort();
|
1076 |
|
1077 |
|
1078 |
|
1079 |
double[] pt10 = getPoint(false); |
1080 |
insert.setInsertionPoint(pt10); |
1081 |
|
1082 |
|
1083 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1084 |
|
1085 |
double x = 0d, y = 0d, z = 0d; |
1086 |
|
1087 |
if((opts & 0x1) > 0){ |
1088 |
double db41 = bb.getDouble();
|
1089 |
x = db41; |
1090 |
} |
1091 |
|
1092 |
if((opts & 0x2) > 0){ |
1093 |
double db42 = bb.getDouble();
|
1094 |
y = db42; |
1095 |
} |
1096 |
|
1097 |
if((opts & 0x4) > 0){ |
1098 |
double db43 = bb.getDouble();
|
1099 |
z = db43; |
1100 |
} |
1101 |
|
1102 |
insert.setScale(new double[]{x, y, z}); |
1103 |
|
1104 |
if((opts & 0x8) > 0){ |
1105 |
double db50 = bb.getDouble();
|
1106 |
insert.setRotation(db50); |
1107 |
} |
1108 |
|
1109 |
if((opts & 0x10) > 0){ |
1110 |
short w70 = bb.getShort();
|
1111 |
//column counts
|
1112 |
} |
1113 |
//creo que esto est? mal, y que debe poner 0x20
|
1114 |
if((opts & 0x10) > 0){ |
1115 |
short w71 = bb.getShort();
|
1116 |
//row counts
|
1117 |
} |
1118 |
|
1119 |
if((opts & 0x40) > 0){ |
1120 |
double db44 = bb.getDouble();
|
1121 |
//column spacing
|
1122 |
} |
1123 |
|
1124 |
if((opts & 0x80) > 0){ |
1125 |
double db45 = bb.getDouble();
|
1126 |
//row spacing
|
1127 |
} |
1128 |
} |
1129 |
} |
1130 |
|
1131 |
class AttDefReader implements EntityReader{ |
1132 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1133 |
double[] p10 = getPoint(false); |
1134 |
String s1 = getString();
|
1135 |
String s3 = getString();
|
1136 |
String s2 = getString();
|
1137 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1138 |
byte b70 = bb.get();
|
1139 |
|
1140 |
if((opts & 0x1) > 0){ |
1141 |
byte b73 = bb.get();
|
1142 |
} |
1143 |
|
1144 |
if((opts & 0x2) > 0){ |
1145 |
double d50 = bb.getDouble();
|
1146 |
} |
1147 |
|
1148 |
if((opts & 0x4) > 0){ |
1149 |
double d41 = bb.getDouble();
|
1150 |
} |
1151 |
|
1152 |
if((opts & 0x8) > 0){ |
1153 |
double d42 = bb.getDouble();
|
1154 |
} |
1155 |
|
1156 |
if((opts & 0x10) > 0){ |
1157 |
byte b7 = bb.get();
|
1158 |
} |
1159 |
|
1160 |
if((opts & 0x20) > 0){ |
1161 |
byte b71 = bb.get();
|
1162 |
} |
1163 |
|
1164 |
if((opts & 0x40) > 0){ |
1165 |
byte b72 = bb.get();
|
1166 |
} |
1167 |
|
1168 |
if((opts & 0x80) > 0){ |
1169 |
double[] p11 = getPoint(false); |
1170 |
} |
1171 |
|
1172 |
if((opts & 0x100) > 0){ |
1173 |
double[] p210 = getPoint(true); |
1174 |
} |
1175 |
|
1176 |
if((opts & 0x200) > 0){ |
1177 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1178 |
double d38 = bb.getDouble();
|
1179 |
} |
1180 |
} |
1181 |
} |
1182 |
|
1183 |
class AttribReader implements EntityReader{ |
1184 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1185 |
double[] p10 = getPoint(false); |
1186 |
|
1187 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1188 |
double d40 = bb.getDouble();
|
1189 |
|
1190 |
String s1 = getString();
|
1191 |
String s2 = getString();
|
1192 |
|
1193 |
if((opts & 0x1) > 0){ |
1194 |
byte b73 = bb.get();
|
1195 |
} |
1196 |
|
1197 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1198 |
if((opts & 0x2) > 0){ |
1199 |
double d50 = bb.getDouble();
|
1200 |
} |
1201 |
|
1202 |
if((opts & 0x4) > 0){ |
1203 |
double d41 = bb.getDouble();
|
1204 |
} |
1205 |
|
1206 |
if((opts & 0x8) > 0){ |
1207 |
double d42 = bb.getDouble();
|
1208 |
} |
1209 |
|
1210 |
if((opts & 0x10) > 0){ |
1211 |
byte b7 = bb.get();
|
1212 |
} |
1213 |
|
1214 |
if((opts & 0x20) > 0){ |
1215 |
byte b71 = bb.get();
|
1216 |
} |
1217 |
|
1218 |
if((opts & 0x40) > 0){ |
1219 |
byte b72 = bb.get();
|
1220 |
} |
1221 |
|
1222 |
if((opts & 0x80) > 0){ |
1223 |
double[] p11 = getPoint(false); |
1224 |
} |
1225 |
|
1226 |
if((opts & 0x100) > 0){ |
1227 |
double[] p210 = getPoint(true); |
1228 |
} |
1229 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1230 |
if((opts & 0x200) > 0){ |
1231 |
double d38 = bb.getDouble();
|
1232 |
} |
1233 |
} |
1234 |
} |
1235 |
|
1236 |
|
1237 |
class SbEndReader implements EntityReader{ |
1238 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1239 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1240 |
int l = bb.getInt();
|
1241 |
} |
1242 |
} |
1243 |
|
1244 |
class PlineReader extends DifferedEntityReader{ |
1245 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1246 |
super.read(bb, flags, opts, dwgObj);
|
1247 |
|
1248 |
//TODO El byte 70 es el que determina el tipo de Polyline
|
1249 |
if( (opts & 0x1) > 0){ |
1250 |
byte b70 = bb.get();
|
1251 |
} |
1252 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1253 |
if( (opts & 0x2) > 0){ |
1254 |
double d40 = bb.getDouble();
|
1255 |
} |
1256 |
|
1257 |
if( (opts & 0x4) > 0){ |
1258 |
byte b71 = bb.get();
|
1259 |
} |
1260 |
|
1261 |
if( (opts & 0x8) > 0){ |
1262 |
byte b72 = bb.get();
|
1263 |
} |
1264 |
|
1265 |
if( (opts & 0x10) > 0){ |
1266 |
byte b73 = bb.get();
|
1267 |
} |
1268 |
|
1269 |
if( (opts & 0x20) > 0){ |
1270 |
byte b74 = bb.get();
|
1271 |
} |
1272 |
|
1273 |
if( (opts & 0x40) > 0){ |
1274 |
byte b75 = bb.get();
|
1275 |
} |
1276 |
} |
1277 |
|
1278 |
DwgObject getDwgObject() { |
1279 |
// TODO Auto-generated method stub
|
1280 |
return null; |
1281 |
} |
1282 |
} |
1283 |
|
1284 |
class VertexReader extends DifferedEntityReader{ |
1285 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1286 |
double[] pt10 = getPoint(false); |
1287 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1288 |
if((opts & 0x1) > 0){ |
1289 |
double d40 = bb.getDouble();
|
1290 |
} |
1291 |
if((opts & 0x2) > 0){ |
1292 |
double d41 = bb.getDouble();
|
1293 |
} |
1294 |
if((opts & 0x4) > 0){ |
1295 |
double d50 = bb.getDouble();
|
1296 |
} |
1297 |
if((opts & 0x8) > 0){ |
1298 |
byte b70 = bb.get();
|
1299 |
} |
1300 |
} |
1301 |
|
1302 |
DwgObject getDwgObject() { |
1303 |
// TODO Auto-generated method stub
|
1304 |
return null; |
1305 |
} |
1306 |
} |
1307 |
|
1308 |
class Face3DReader implements EntityReader{ |
1309 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1310 |
boolean zflag = false; |
1311 |
if((flags & 0x4) > 0){ |
1312 |
zflag = true;
|
1313 |
} |
1314 |
double[] pt10 = getPoint(zflag); |
1315 |
double[] pt11 = getPoint(zflag); |
1316 |
double[] pt12 = getPoint(zflag); |
1317 |
double[] pt13 = getPoint(zflag); |
1318 |
|
1319 |
} |
1320 |
} |
1321 |
|
1322 |
class DimReader implements EntityReader{ |
1323 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1324 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1325 |
short w1 = bb.getShort();
|
1326 |
double[] pt10 = getPoint(true); |
1327 |
double[] pt11 = getPoint(false); |
1328 |
|
1329 |
if((opts & 0x2) > 0){ |
1330 |
byte b70 = bb.get();
|
1331 |
} |
1332 |
|
1333 |
if((opts & 0x1) > 0){ |
1334 |
double[] pt12 = getPoint(true); |
1335 |
} |
1336 |
|
1337 |
if((opts & 0x4) > 0){ |
1338 |
String s1 = getString();
|
1339 |
} |
1340 |
|
1341 |
if((opts & 0x8) > 0){ |
1342 |
double[] pt13 = getPoint(true); |
1343 |
} |
1344 |
|
1345 |
if((opts & 0x10) > 0){ |
1346 |
double[] pt13 = getPoint(true); |
1347 |
} |
1348 |
|
1349 |
if((opts & 0x20) > 0){ |
1350 |
double[] pt15 = getPoint(true); |
1351 |
} |
1352 |
|
1353 |
if((opts & 0x40) > 0){ |
1354 |
double[] pt16 = getPoint(true); |
1355 |
} |
1356 |
|
1357 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1358 |
if((opts & 0x80) > 0){ |
1359 |
double d40 = bb.getDouble();
|
1360 |
} |
1361 |
|
1362 |
if((opts & 0x100) > 0){ |
1363 |
double d50 = bb.getDouble();
|
1364 |
} |
1365 |
|
1366 |
if((opts & 0x200) > 0){ |
1367 |
double d51 = bb.getDouble();
|
1368 |
} |
1369 |
if((opts & 0x400) > 0){ |
1370 |
double d52 = bb.getDouble();
|
1371 |
} |
1372 |
if((opts & 0x800) > 0){ |
1373 |
double d53 = bb.getDouble();
|
1374 |
} |
1375 |
} |
1376 |
} |
1377 |
|
1378 |
class VPortReader implements EntityReader{ |
1379 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1380 |
double[] pt10 = getPoint(true); |
1381 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1382 |
double d40 = bb.getDouble();
|
1383 |
double d41 = bb.getDouble();
|
1384 |
short w68 = bb.getShort();
|
1385 |
} |
1386 |
} |
1387 |
|
1388 |
|
1389 |
|
1390 |
/**
|
1391 |
* @param start
|
1392 |
* @param end
|
1393 |
*/
|
1394 |
private void readEntities(int start, int end) { |
1395 |
bb.position(start); |
1396 |
int ant = bb.position();
|
1397 |
int emax = readers.size();
|
1398 |
EntityReader reader = null;
|
1399 |
|
1400 |
while(ant < (end - 32)){ |
1401 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1402 |
|
1403 |
byte kind = bb.get();
|
1404 |
if(kind < emax){
|
1405 |
reader = (EntityReader) readers.get(kind); |
1406 |
}//if
|
1407 |
|
1408 |
|
1409 |
//PROPERTIES COMMON TO ALL DWG 12 ENTITIES
|
1410 |
byte flag = bb.get();
|
1411 |
short lenght = bb.getShort();
|
1412 |
|
1413 |
//segun esto los dos ultimos bytes son el CRC
|
1414 |
int crcpos = ant + (lenght - 2); |
1415 |
|
1416 |
|
1417 |
short layer = bb.getShort();
|
1418 |
short opts = bb.getShort();
|
1419 |
|
1420 |
byte color = 0; |
1421 |
if ((flag & 0x1) > 0){ |
1422 |
color = bb.get(); |
1423 |
} |
1424 |
|
1425 |
byte extra = 0; |
1426 |
if ((flag & 0x40) > 0) |
1427 |
extra = bb.get(); |
1428 |
|
1429 |
|
1430 |
String xdata = null; |
1431 |
if((extra & 0x2) > 0) |
1432 |
xdata = readXdata(); |
1433 |
|
1434 |
|
1435 |
short type = 0; |
1436 |
if((flag & 0x2) > 0) |
1437 |
type = bb.getShort(); |
1438 |
|
1439 |
|
1440 |
double z = 0d; |
1441 |
if( (flag & 0x4) > 0 && (kind > 2) && (kind != 22)){ |
1442 |
z = bb.getDouble(); |
1443 |
} |
1444 |
|
1445 |
double th = 0d; |
1446 |
if((flag & 0x8) > 0){ |
1447 |
th = bb.getDouble(); |
1448 |
} |
1449 |
|
1450 |
byte[] handle = null; |
1451 |
if((flag & 0x20) > 0) |
1452 |
handle = getHandle(); |
1453 |
|
1454 |
short paper = 0; |
1455 |
if((extra & 0x4) > 0){ |
1456 |
paper = bb.getShort(); |
1457 |
} |
1458 |
|
1459 |
if(reader != null){ |
1460 |
DwgObject entity = null;
|
1461 |
if(reader instanceof PlineReader){ |
1462 |
System.out.println("plinereader"); |
1463 |
|
1464 |
|
1465 |
|
1466 |
|
1467 |
|
1468 |
}else if(reader instanceof VertexReader){ |
1469 |
System.out.println("vertexreader"); |
1470 |
|
1471 |
|
1472 |
|
1473 |
|
1474 |
|
1475 |
|
1476 |
|
1477 |
|
1478 |
|
1479 |
}else{
|
1480 |
entity = DwgObjectFactory. |
1481 |
getInstance(). |
1482 |
create(kind, index); |
1483 |
} |
1484 |
entity.setColor(color); |
1485 |
entity.setType(type);//TODO Este type es el mismo que para DWG 13-14-2000?
|
1486 |
entity.setSizeInBits(lenght);//TODO Este size es el mismo que para DWG 13-14-2000?
|
1487 |
/*
|
1488 |
* TODO
|
1489 |
* Parece ser que DWG 12 no gestiona las layers al igual que las
|
1490 |
* versiones sucesivas (hay que descifrar si 'layer' significa
|
1491 |
* un orden en la tabla de layers
|
1492 |
*
|
1493 |
* De ser as?, y si indexamos las layers de esta forma
|
1494 |
* (con un HandleReference de code 0x5) ser? todo homogeneo
|
1495 |
*
|
1496 |
* TODO Construir instancias de DwgLayer a partir de las entradas
|
1497 |
* de la tabla de layers, e indexarlas con un handle igual a su orden
|
1498 |
* */
|
1499 |
|
1500 |
entity.setLayerHandle(new DwgHandleReference(0x5, layer)); |
1501 |
|
1502 |
//TODO El valor de elevation en 12 es comun a todas, en 13 y ulteriores
|
1503 |
//no. ver que se hace
|
1504 |
// entity.setZ(z);
|
1505 |
|
1506 |
List xdataAsList = new ArrayList(); |
1507 |
xdataAsList.add(xdata); |
1508 |
entity.setExtendedData(xdataAsList); |
1509 |
|
1510 |
//TODO con thickness tenemos el mismo problema que con
|
1511 |
//elevation. En dwg 12 es comun a todos
|
1512 |
// entity.setThickness(th);
|
1513 |
|
1514 |
|
1515 |
//TODO HANDLES. Tampoco se si en DWG 12 se leen
|
1516 |
//igual que en DWG 13 y posteriores
|
1517 |
if(handle != null){ |
1518 |
int offset = handle.hashCode();
|
1519 |
DwgHandleReference hdl = new DwgHandleReference(0, offset); |
1520 |
entity.setHandle(hdl); |
1521 |
}else{
|
1522 |
System.out.println("HANDLE A NULL"); |
1523 |
bb.position(crcpos); |
1524 |
short crc = bb.getShort();
|
1525 |
continue;
|
1526 |
} |
1527 |
|
1528 |
//TODO Idem con el espacio papel o el espacio modelo
|
1529 |
boolean paperSpace = false; |
1530 |
if(paper != 0){ |
1531 |
paperSpace = true;
|
1532 |
} |
1533 |
|
1534 |
reader.read(bb, flag, opts, entity); |
1535 |
|
1536 |
|
1537 |
|
1538 |
ant = bb.position(); |
1539 |
if(ant < crcpos){
|
1540 |
bb.position(bb.position() + (crcpos - ant)); |
1541 |
} |
1542 |
short crc = bb.getShort();
|
1543 |
|
1544 |
// if(! paperSpace)//TODO solo a?adimos las entidades en espacio modelo????
|
1545 |
dwgFile.addDwgObject(entity); |
1546 |
|
1547 |
}//if reader
|
1548 |
else{
|
1549 |
System.out.println("Reader a NULL. DWG 12 MAL LEIDO"); |
1550 |
System.out.println("kind = " + kind); |
1551 |
bb.position(crcpos); |
1552 |
short crc = bb.getShort();
|
1553 |
continue;
|
1554 |
|
1555 |
} |
1556 |
ant = bb.position(); |
1557 |
// byte[] crc32 = new byte[32];
|
1558 |
// bb.get(crc32);
|
1559 |
index++; |
1560 |
}//while
|
1561 |
byte[] crc32 = new byte[32];//TODO va dentro o fuera del while?? |
1562 |
bb.get(crc32); |
1563 |
} |
1564 |
|
1565 |
|
1566 |
/**
|
1567 |
* @return
|
1568 |
*/
|
1569 |
private byte[] getHandle() { |
1570 |
byte[] bytes = null; |
1571 |
bb.order(ByteOrder.nativeOrder());
|
1572 |
byte len = bb.get();
|
1573 |
bytes = new byte[len]; |
1574 |
bb.get(bytes); |
1575 |
return bytes;
|
1576 |
//Ver si los handles de DWG 12 concurdan con nuestra clase
|
1577 |
//DwgHandleReference
|
1578 |
// return (5, _len) + tuple(_bytes)
|
1579 |
} |
1580 |
|
1581 |
|
1582 |
|
1583 |
/**
|
1584 |
* @return
|
1585 |
*/
|
1586 |
private String readXdata() { |
1587 |
String extData = ""; |
1588 |
short xlen = bb.getShort();
|
1589 |
while (xlen > 0){ |
1590 |
byte xval = bb.get();
|
1591 |
xlen--; |
1592 |
if(xval == 0){ |
1593 |
if(xlen < 1) |
1594 |
break;
|
1595 |
byte val = bb.get();
|
1596 |
xlen--; |
1597 |
if(r13){
|
1598 |
if(xlen < 1) |
1599 |
break;
|
1600 |
byte codePage = bb.get();
|
1601 |
xlen--; |
1602 |
}//if r13
|
1603 |
if(xlen < val)
|
1604 |
break;
|
1605 |
byte[] strByte = new byte[val]; |
1606 |
bb.get(strByte); |
1607 |
xlen -= val; |
1608 |
extData += new String(strByte); |
1609 |
}//if xval == 0
|
1610 |
else if(xval == 1 || xval == 3 || xval == 70){ |
1611 |
if(xlen < 2) |
1612 |
break;
|
1613 |
short val = bb.getShort();
|
1614 |
extData += val; |
1615 |
xlen += 2;
|
1616 |
}else if(xval == 2){ |
1617 |
if(xlen < 1) |
1618 |
break;
|
1619 |
byte val = bb.get();
|
1620 |
if(val == 0) |
1621 |
extData += "{";
|
1622 |
else if(val == 1) |
1623 |
extData += "}";
|
1624 |
else
|
1625 |
System.out.println("Byte no esperado:"+val); |
1626 |
}else if(xval == 5){ |
1627 |
if(xlen < 8) |
1628 |
break;
|
1629 |
long val = bb.getLong();
|
1630 |
//probably it is an entity handle
|
1631 |
xlen -= 8;
|
1632 |
}else if (xval == 40 || xval == 41 || xval == 42){ |
1633 |
if (xlen < 8) |
1634 |
break;
|
1635 |
double val = bb.getDouble();
|
1636 |
xlen -= 8;
|
1637 |
extData += val; |
1638 |
|
1639 |
}else if (xval == 10 || xval == 11 || xval == 12 || xval == 13){ |
1640 |
//13 not in R12 spec, is in R13/R14
|
1641 |
if(xlen < 24) |
1642 |
break;
|
1643 |
Object point = getPoint(true); |
1644 |
extData += point.toString(); |
1645 |
xlen -= 24;
|
1646 |
}else if(xval == 71){ |
1647 |
if (xlen < 4) |
1648 |
break;
|
1649 |
int val = bb.getInt();
|
1650 |
extData += val; |
1651 |
xlen -= 4;
|
1652 |
}else
|
1653 |
xlen = 0;
|
1654 |
return extData;
|
1655 |
} |
1656 |
/*
|
1657 |
|
1658 |
|
1659 |
|
1660 |
elif _xval == 71:
|
1661 |
if _xlen < 4: break
|
1662 |
_val = struct.unpack('<l', handle.read(4))[0]
|
1663 |
_data.append(_val)
|
1664 |
_xlen = _xlen - 4
|
1665 |
else:
|
1666 |
_xlen = 0
|
1667 |
return _data
|
1668 |
* */
|
1669 |
return null; |
1670 |
} |
1671 |
|
1672 |
|
1673 |
|
1674 |
/**
|
1675 |
* @param b
|
1676 |
* @return
|
1677 |
*/
|
1678 |
private double[] getPoint(boolean b) { |
1679 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1680 |
double x = bb.getDouble();
|
1681 |
double y = bb.getDouble();
|
1682 |
double z = 0d; |
1683 |
if(b){
|
1684 |
z = bb.getDouble(); |
1685 |
} |
1686 |
return new double[]{x, y, z}; |
1687 |
} |
1688 |
|
1689 |
|
1690 |
|
1691 |
//TODO Que se hacen con los registros que se leen???
|
1692 |
private void readBlockTable(Dwg12Table blockTable) { |
1693 |
short size = blockTable.s1;
|
1694 |
int numRecords = blockTable.i1;
|
1695 |
int start = blockTable.i2;
|
1696 |
bb.position(start); |
1697 |
|
1698 |
int end = -1; |
1699 |
|
1700 |
for(int i = 0; i < numRecords; i++){ |
1701 |
end = bb.position() + size; |
1702 |
byte flag = bb.get();
|
1703 |
//TODO No estoy muy seguro de que esto sea
|
1704 |
//igual que handle.read(32) en Python
|
1705 |
byte[] nameByte = new byte[32]; |
1706 |
bb.get(nameByte); |
1707 |
String name = new String(nameByte); |
1708 |
|
1709 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1710 |
|
1711 |
short used = bb.getShort();
|
1712 |
byte b1 = bb.get();
|
1713 |
short w1 = bb.getShort();
|
1714 |
byte b2 = bb.get();
|
1715 |
short w2 = bb.getShort();
|
1716 |
short crc = bb.getShort();
|
1717 |
|
1718 |
int offset = end - bb.position();
|
1719 |
if(offset > 0) |
1720 |
bb.position(bb.position() + end); |
1721 |
} |
1722 |
byte[] crc32 = new byte[32]; |
1723 |
bb.get(crc32); |
1724 |
} |
1725 |
|
1726 |
public void readHeader(){ |
1727 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1728 |
short w1 = bb.getShort();
|
1729 |
double[] inBase = getPoint(true); |
1730 |
double[] extMin = getPoint(true); |
1731 |
double[] extMax = getPoint(true); |
1732 |
double[] limMin = getPoint(false); |
1733 |
double[] limMax = getPoint(false); |
1734 |
|
1735 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1736 |
double vcx = bb.getDouble();
|
1737 |
double vcy = bb.getDouble();
|
1738 |
double d3 = bb.getDouble();
|
1739 |
double d4 = bb.getDouble();
|
1740 |
|
1741 |
byte b1 = bb.get();
|
1742 |
byte b2 = bb.get();
|
1743 |
|
1744 |
double sx = bb.getDouble();
|
1745 |
double sy = bb.getDouble();
|
1746 |
|
1747 |
bb.order(ByteOrder.nativeOrder());
|
1748 |
byte[] b56 = new byte[56]; |
1749 |
bb.get(b56); |
1750 |
|
1751 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1752 |
double d7 = bb.getDouble();
|
1753 |
double d8 = bb.getDouble();
|
1754 |
double d9 = bb.getDouble();
|
1755 |
|
1756 |
bb.order(ByteOrder.nativeOrder());
|
1757 |
byte[] b18 = new byte[18]; |
1758 |
bb.get(b18); |
1759 |
|
1760 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1761 |
double d10 = bb.getDouble();
|
1762 |
|
1763 |
int at = bb.position();
|
1764 |
|
1765 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1766 |
short w2 = bb.getShort();
|
1767 |
short w3 = bb.getShort();
|
1768 |
|
1769 |
bb.order(ByteOrder.nativeOrder());
|
1770 |
byte[] b44 = new byte[44]; |
1771 |
bb.get(b44); |
1772 |
|
1773 |
at = bb.position(); |
1774 |
|
1775 |
bb.order(ByteOrder.nativeOrder());
|
1776 |
byte[] b354 = new byte[354]; |
1777 |
bb.get(b354); |
1778 |
|
1779 |
if( (b354[0] == 0x61) && (b354[1] == 0x63) && (b354[2] == 0x61 ) && (b354[2] == 0x64 )) |
1780 |
System.out.println("Encontrada la cadena 'acad' al comienzo del bloque de 354 bytes"); |
1781 |
|
1782 |
bb.position(0x3ef);
|
1783 |
} |
1784 |
|
1785 |
|
1786 |
|
1787 |
|
1788 |
|
1789 |
class Dwg12Table{ |
1790 |
short s1;
|
1791 |
int i1;
|
1792 |
int i2;
|
1793 |
} |
1794 |
|
1795 |
public Dwg12Table getTable(){
|
1796 |
|
1797 |
Dwg12Table solution = null;
|
1798 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1799 |
|
1800 |
short s1 = bb.getShort();
|
1801 |
int i1 = bb.getInt();
|
1802 |
int i2 = bb.getInt();
|
1803 |
|
1804 |
solution = new Dwg12Table();
|
1805 |
solution.s1 = s1; |
1806 |
solution.i1 = i1; |
1807 |
solution.i2 = i2; |
1808 |
return solution;
|
1809 |
} |
1810 |
|
1811 |
|
1812 |
class Dwg12TableTest{ |
1813 |
short s1, s2, s3;
|
1814 |
int i1;
|
1815 |
} |
1816 |
public Dwg12TableTest getTableTest(){
|
1817 |
Dwg12TableTest solution = null;
|
1818 |
|
1819 |
|
1820 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1821 |
short s1 = bb.getShort();
|
1822 |
short s2 = bb.getShort();
|
1823 |
short s3 = bb.getShort();
|
1824 |
int i1 = bb.getInt();
|
1825 |
|
1826 |
solution = new Dwg12TableTest();
|
1827 |
solution.s1 = s1; |
1828 |
solution.s2 = s2; |
1829 |
solution.s3 = s3; |
1830 |
solution.i1 = i1; |
1831 |
|
1832 |
return solution;
|
1833 |
} |
1834 |
|
1835 |
/* (non-Javadoc)
|
1836 |
* @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#readObjectHeader(int[], int, com.iver.cit.jdwglib.dwg.DwgObject)
|
1837 |
*/
|
1838 |
public int readObjectHeader(int[] data, int offset, DwgObject dwgObject) throws RuntimeException, CorruptedDwgEntityException { |
1839 |
return 0; |
1840 |
} |
1841 |
|
1842 |
/* (non-Javadoc)
|
1843 |
* @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#readObjectTailer(int[], int, com.iver.cit.jdwglib.dwg.DwgObject)
|
1844 |
*/
|
1845 |
public int readObjectTailer(int[] data, int offset, DwgObject dwgObject) throws RuntimeException, CorruptedDwgEntityException { |
1846 |
return 0; |
1847 |
} |
1848 |
|
1849 |
} |