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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 org.gvsig.dwg.lib.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 org.gvsig.dwg.lib.CorruptedDwgEntityException;
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import org.gvsig.dwg.lib.DwgFile;
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import org.gvsig.dwg.lib.DwgHandleReference;
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import org.gvsig.dwg.lib.DwgObject;
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import org.gvsig.dwg.lib.DwgObjectFactory;
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import org.gvsig.dwg.lib.IDwgBlockMember;
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import org.gvsig.dwg.lib.IDwgPolyline;
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import org.gvsig.dwg.lib.IDwgVertex;
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import org.gvsig.dwg.lib.objects.DwgArc;
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import org.gvsig.dwg.lib.objects.DwgBlockHeader;
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import org.gvsig.dwg.lib.objects.DwgCircle;
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import org.gvsig.dwg.lib.objects.DwgEndblk;
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import org.gvsig.dwg.lib.objects.DwgInsert;
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import org.gvsig.dwg.lib.objects.DwgLayer;
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import org.gvsig.dwg.lib.objects.DwgLine;
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import org.gvsig.dwg.lib.objects.DwgMeshPolyline;
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import org.gvsig.dwg.lib.objects.DwgPFacePolyline;
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import org.gvsig.dwg.lib.objects.DwgPoint;
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import org.gvsig.dwg.lib.objects.DwgPolyline2D;
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import org.gvsig.dwg.lib.objects.DwgPolyline3D;
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import org.gvsig.dwg.lib.objects.DwgSeqend;
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import org.gvsig.dwg.lib.objects.DwgSolid;
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import org.gvsig.dwg.lib.objects.DwgText;
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import org.gvsig.dwg.lib.objects.DwgVertex2D;
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import org.gvsig.dwg.lib.objects.DwgVertex3D;
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import org.gvsig.dwg.lib.objects.DwgVertexPFace;
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import org.gvsig.dwg.lib.objects.DwgVertexPFaceFace;
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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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private boolean r13 = false;
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int index = 0;
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ArrayList blocks = new ArrayList();
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/**
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* While DwgBlock is a DWG entity, readed from the DWG entities
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* section, a Block is an entry in the BLOCK Section of DWG 12 format.
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*
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* Block has block name attribute (like DwgBlock), but its most
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* important attribute is its order in the Block section.
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*
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* Inserts has a short number that we think is the order of its
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* referred block in the block table (the only approach to fech
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* the block of an insert)
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* */
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class Block {
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/*
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|----------|--------------------------------------------|
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| 1 | This is an anonymous Block generated by |
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| | hatching, associative dimensioning, other |
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| | internal operations, or an application |
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|----------|--------------------------------------------|
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| 2 | This Block has Attributes |
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|----------|--------------------------------------------|
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| 4 | This Block is an external reference (Xref) |
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|----------|--------------------------------------------|
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| 8 | not used |
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|----------|--------------------------------------------|
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| 16 | This Block is externally dependent |
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|----------|--------------------------------------------|
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| 32 | This is a resolved external reference, or |
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| | dependent of an external reference |
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|----------|--------------------------------------------|
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| 64 | This definition is referenced |
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+-------------------------------------------------------+
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*/
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byte flag;
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String name;
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short used;
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byte b1;
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short w1;
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byte b2;
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short w3;
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short crc;
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}
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public DwgFileV12Reader(boolean isR13){
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r13 = isR13;
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readers.add(null);//0
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readers.add(new LineReader());//1
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readers.add(new PointReader());//2
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readers.add(new CircleReader());//3
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readers.add(new ShapeReader());//4
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readers.add(null);//5
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readers.add(null);//6
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readers.add(new TextReader());//7
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readers.add(new ArcReader());//8
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readers.add(new TraceReader());//9
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readers.add(null);//10
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readers.add(new SolidReader());//11
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readers.add(new BlkReader());//12
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readers.add(new EndBlkReader());//13
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readers.add(new InsertReader());//14
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readers.add(new AttDefReader());//15
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readers.add(new AttribReader());//16
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readers.add(new SbEndReader());//17
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readers.add(null);//18
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readers.add(new PlineReader());//19
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readers.add(new VertexReader());//20
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readers.add(null);//21
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readers.add(new Face3DReader());//22
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readers.add(new DimReader());//23
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readers.add(new VPortReader());//24
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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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// (_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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//de momento nos saltamos estas tablas
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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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|
421 |
end = bb.position() + size;
|
|
422 |
|
|
423 |
byte flag = bb.get();
|
|
424 |
byte[] nameBytes = new byte[32];
|
|
425 |
bb.get(nameBytes);
|
|
426 |
String name = new String(nameBytes);
|
|
427 |
|
|
428 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
429 |
short word = bb.getShort();
|
|
430 |
|
|
431 |
int offset = end - bb.position();
|
|
432 |
if(offset > 0)
|
|
433 |
bb.position(bb.position() + offset);
|
|
434 |
|
|
435 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
436 |
short crc = bb.getShort();
|
|
437 |
}
|
|
438 |
byte[] crc32 = new byte[32];
|
|
439 |
bb.get(crc32);
|
|
440 |
}
|
|
441 |
|
|
442 |
|
|
443 |
|
|
444 |
private void readVportTable(Dwg12Table vportTable) {
|
|
445 |
short size = vportTable.s1;
|
|
446 |
int numRecs = vportTable.i1;
|
|
447 |
int start = vportTable.i2;
|
|
448 |
int end = -1;
|
|
449 |
bb.position(start);
|
|
450 |
for(int i = 0; i < numRecs; i++){
|
|
451 |
end = bb.position() + size;
|
|
452 |
|
|
453 |
byte flag = bb.get();
|
|
454 |
byte[] nameBytes = new byte[32];
|
|
455 |
bb.get(nameBytes);
|
|
456 |
String name = new String(nameBytes);
|
|
457 |
|
|
458 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
459 |
short used = bb.getShort();
|
|
460 |
|
|
461 |
double[] pt10 = getPoint(false);
|
|
462 |
double[] pt11 = getPoint(false);
|
|
463 |
double[] pt17 = getPoint(false);
|
|
464 |
double[] pt16 = getPoint(true);
|
|
465 |
|
|
466 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
467 |
|
|
468 |
double d50 = bb.getDouble();
|
|
469 |
double d40 = bb.getDouble();
|
|
470 |
|
|
471 |
double[] pt12 = getPoint(false);
|
|
472 |
|
|
473 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
474 |
double d41 = bb.getDouble();
|
|
475 |
double d42 = bb.getDouble();
|
|
476 |
double d43 = bb.getDouble();
|
|
477 |
double d44 = bb.getDouble();
|
|
478 |
|
|
479 |
short[] w7178 = new short[8];
|
|
480 |
for(int j = 0; j < 8; j++){
|
|
481 |
w7178[j] = bb.getShort();
|
|
482 |
}
|
|
483 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
484 |
double d51 = bb.getDouble();
|
|
485 |
|
|
486 |
double[] pt13 = getPoint(false);
|
|
487 |
double[] pt14 = getPoint(false);
|
|
488 |
double[] pt15 = getPoint(false);
|
|
489 |
|
|
490 |
int offset = end - bb.position();
|
|
491 |
if(offset > 0)
|
|
492 |
bb.position(bb.position() + offset);
|
|
493 |
|
|
494 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
495 |
short crc = bb.getShort();
|
|
496 |
}
|
|
497 |
byte[] crc32 = new byte[32];
|
|
498 |
bb.get(crc32);
|
|
499 |
}
|
|
500 |
|
|
501 |
|
|
502 |
|
|
503 |
private void readUcsTable(Dwg12Table ucsTable) {
|
|
504 |
short size = ucsTable.s1;
|
|
505 |
int numRecs = ucsTable.i1;
|
|
506 |
int start = ucsTable.i2;
|
|
507 |
int end = -1;
|
|
508 |
bb.position(start);
|
|
509 |
for(int i = 0; i < numRecs; i++){
|
|
510 |
end = bb.position() + size;
|
|
511 |
|
|
512 |
byte flag = bb.get();
|
|
513 |
byte[] nameBytes = new byte[32];
|
|
514 |
bb.get(nameBytes);
|
|
515 |
String name = new String(nameBytes);
|
|
516 |
|
|
517 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
518 |
short used = bb.getShort();
|
|
519 |
|
|
520 |
double[] pt10 = getPoint(true);
|
|
521 |
double[] pt11 = getPoint(true);
|
|
522 |
double[] pt12 = getPoint(true);
|
|
523 |
|
|
524 |
|
|
525 |
|
|
526 |
int offset = end - bb.position();
|
|
527 |
if(offset > 0)
|
|
528 |
bb.position(bb.position() + offset);
|
|
529 |
|
|
530 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
531 |
short crc = bb.getShort();
|
|
532 |
}
|
|
533 |
byte[] crc32 = new byte[32];
|
|
534 |
bb.get(crc32);
|
|
535 |
|
|
536 |
|
|
537 |
}
|
|
538 |
|
|
539 |
|
|
540 |
|
|
541 |
private void readViewTable(Dwg12Table viewTable) {
|
|
542 |
short size = viewTable.s1;
|
|
543 |
int numRecs = viewTable.i1;
|
|
544 |
int start = viewTable.i2;
|
|
545 |
int end = -1;
|
|
546 |
bb.position(start);
|
|
547 |
for(int i = 0; i < numRecs; i++){
|
|
548 |
end = bb.position() + size;
|
|
549 |
|
|
550 |
byte flag = bb.get();
|
|
551 |
byte[] nameBytes = new byte[32];
|
|
552 |
bb.get(nameBytes);
|
|
553 |
String name = new String(nameBytes);
|
|
554 |
|
|
555 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
556 |
short used = bb.getShort();
|
|
557 |
double db40 = bb.getDouble();
|
|
558 |
|
|
559 |
double[] pt10 = getPoint(false);
|
|
560 |
|
|
561 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
562 |
double db41 = bb.getDouble();
|
|
563 |
|
|
564 |
double[] pt11 = getPoint(true);
|
|
565 |
|
|
566 |
double[] pt12 = getPoint(true);
|
|
567 |
|
|
568 |
|
|
569 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
570 |
short w71 = bb.getShort();
|
|
571 |
double db42 = bb.getDouble();
|
|
572 |
double db43 = bb.getDouble();
|
|
573 |
double db44 = bb.getDouble();
|
|
574 |
double db50 = bb.getDouble();
|
|
575 |
|
|
576 |
int offset = end - bb.position();
|
|
577 |
if(offset > 0)
|
|
578 |
bb.position(bb.position() + offset);
|
|
579 |
|
|
580 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
581 |
short crc = bb.getShort();
|
|
582 |
|
|
583 |
|
|
584 |
}
|
|
585 |
byte[] crc32 = new byte[32];
|
|
586 |
bb.get(crc32);
|
|
587 |
}
|
|
588 |
|
|
589 |
|
|
590 |
|
|
591 |
private void readLTypeTable(Dwg12Table lineTypeTable) {
|
|
592 |
short size = lineTypeTable.s1;
|
|
593 |
int numRecs = lineTypeTable.i1;
|
|
594 |
int start = lineTypeTable.i2;
|
|
595 |
int end = -1;
|
|
596 |
bb.position(start);
|
|
597 |
for(int i = 0; i < numRecs; i++){
|
|
598 |
end = bb.position() + size;
|
|
599 |
byte flag = bb.get();
|
|
600 |
byte[] nameBytes = new byte[32];
|
|
601 |
bb.get(nameBytes);
|
|
602 |
String name = new String(nameBytes);
|
|
603 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
604 |
short w1 = bb.getShort();
|
|
605 |
|
|
606 |
byte[] s1 = new byte[48];
|
|
607 |
bb.get(s1);
|
|
608 |
String s1name = new String(s1);
|
|
609 |
|
|
610 |
bb.order(ByteOrder.nativeOrder());
|
|
611 |
byte b1 = bb.get();
|
|
612 |
byte b2 = bb.get();
|
|
613 |
|
|
614 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
615 |
double[] doubles = new double[13];
|
|
616 |
for(int j = 0; j < 13; j++){
|
|
617 |
doubles[j] = bb.getDouble();
|
|
618 |
}
|
|
619 |
|
|
620 |
short crc = bb.getShort();
|
|
621 |
|
|
622 |
int offset = end - bb.position();
|
|
623 |
if(offset > 0)
|
|
624 |
bb.position(bb.position() + offset);
|
|
625 |
}
|
|
626 |
byte[] crc32 = new byte[32];
|
|
627 |
bb.get(crc32);
|
|
628 |
}
|
|
629 |
|
|
630 |
|
|
631 |
|
|
632 |
/**
|
|
633 |
* @param styleTable
|
|
634 |
*/
|
|
635 |
private void readStyleTable(Dwg12Table styleTable) {
|
|
636 |
short size = styleTable.s1;
|
|
637 |
int numRecs = styleTable.i1;
|
|
638 |
int start = styleTable.i2;
|
|
639 |
int end = -1;
|
|
640 |
bb.position(start);
|
|
641 |
for(int i = 0; i < numRecs; i++){
|
|
642 |
end = bb.position() + size;
|
|
643 |
byte flag = bb.get();
|
|
644 |
byte[] nameBytes = new byte[32];
|
|
645 |
bb.get(nameBytes);
|
|
646 |
String name = new String(nameBytes);
|
|
647 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
648 |
short w1 = bb.getShort();
|
|
649 |
double d1 = bb.getDouble();
|
|
650 |
double d2 = bb.getDouble();
|
|
651 |
double d3 = bb.getDouble();
|
|
652 |
byte b1 = bb.get();
|
|
653 |
double d4 = bb.getDouble();
|
|
654 |
|
|
655 |
byte[] s1 = new byte[128];
|
|
656 |
bb.get(s1);
|
|
657 |
|
|
658 |
short crc = bb.getShort();
|
|
659 |
int offset = end - bb.position();
|
|
660 |
if(offset > 0)
|
|
661 |
bb.position(bb.position() + offset);
|
|
662 |
}
|
|
663 |
byte[] crc32 = new byte[32];
|
|
664 |
bb.get(crc32);
|
|
665 |
}
|
|
666 |
|
|
667 |
|
|
668 |
|
|
669 |
/**
|
|
670 |
* @param layerTable
|
|
671 |
*/
|
|
672 |
private void readLayerTable(Dwg12Table layerTable) {
|
|
673 |
short size = layerTable.s1;
|
|
674 |
int numR = layerTable.i1;
|
|
675 |
int start = layerTable.i2;
|
|
676 |
|
|
677 |
int begin = -1;
|
|
678 |
int end = -1;
|
|
679 |
|
|
680 |
DwgLayer layer = null;
|
|
681 |
for(int i = 0; i < numR; i++){
|
|
682 |
begin = start + i * size;
|
|
683 |
bb.position(begin);
|
|
684 |
end = begin + size - 2;
|
|
685 |
|
|
686 |
layer = new DwgLayer(index);
|
|
687 |
index++;
|
|
688 |
|
|
689 |
byte flag = bb.get();
|
|
690 |
/*
|
|
691 |
+=====================================================+
|
|
692 |
| Flag bit | Meaning |
|
|
693 |
| value | |
|
|
694 |
|----------|------------------------------------------|
|
|
695 |
| 1 | If set, layer is frozen |
|
|
696 |
|----------|------------------------------------------|
|
|
697 |
| 2 | If set, layer is frozen by default in |
|
|
698 |
| | new Viewports |
|
|
699 |
|----------|------------------------------------------|
|
|
700 |
| 4 | If set, layer is locked |
|
|
701 |
+-----------------------------------------------------+
|
|
702 |
* */
|
|
703 |
if((flag & 0x1) > 0){
|
|
704 |
layer.setFrozen(true);
|
|
705 |
}
|
|
706 |
if((flag & 0x2) > 0){
|
|
707 |
layer.setFrozenInNew(true);
|
|
708 |
}
|
|
709 |
if((flag & 0x4) > 0){
|
|
710 |
layer.setLocked(true);
|
|
711 |
}
|
|
712 |
|
|
713 |
byte[] nameByte = new byte[32];
|
|
714 |
bb.get(nameByte);
|
|
715 |
String name = new String(nameByte).trim();
|
|
716 |
layer.setName(name);
|
|
717 |
|
|
718 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
719 |
short used = bb.getShort();
|
|
720 |
short color = bb.getShort();
|
|
721 |
layer.setColor(color);
|
|
722 |
short style = bb.getShort();
|
|
723 |
short crc = bb.getShort();
|
|
724 |
|
|
725 |
DwgHandleReference handle = new DwgHandleReference(0x5, i);
|
|
726 |
layer.setHandle(handle);
|
|
727 |
dwgFile.addDwgObject(layer);
|
|
728 |
|
|
729 |
|
|
730 |
int offset = end - bb.position();
|
|
731 |
if(offset > 0)
|
|
732 |
bb.position(bb.position() + offset);
|
|
733 |
|
|
734 |
}
|
|
735 |
byte[] crc32 = new byte[32];
|
|
736 |
bb.get(crc32);
|
|
737 |
}
|
|
738 |
|
|
739 |
|
|
740 |
interface EntityReader{
|
|
741 |
void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj);
|
|
742 |
}
|
|
743 |
|
|
744 |
/**
|
|
745 |
* In DWG 12 version, some kind of objects (Polylines and Vertex) cannot be
|
|
746 |
* instanciated until the EntityReader has readed some stuff (flags and so)
|
|
747 |
* from the file.
|
|
748 |
*
|
|
749 |
* DefferedEntityReader has the responsability to create DwgObject instances,
|
|
750 |
* and it has the precondition that DwgObject parameter of its method read must
|
|
751 |
* be null.
|
|
752 |
* */
|
|
753 |
abstract class DefferedEntityReader implements EntityReader{
|
|
754 |
abstract DwgObject getDwgObject(int index);
|
|
755 |
|
|
756 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj){
|
|
757 |
if(dwgObj != null)
|
|
758 |
throw new RuntimeException("DefferedEntityReader es el encargado de construir los objetos, debe recibirlos a null");
|
|
759 |
}
|
|
760 |
|
|
761 |
}
|
|
762 |
|
|
763 |
class LineReader implements EntityReader{
|
|
764 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
765 |
if(! (dwgObj instanceof DwgLine))
|
|
766 |
throw new RuntimeException("No es entidad LINE");
|
|
767 |
DwgLine line = (DwgLine) dwgObj;
|
|
768 |
|
|
769 |
boolean zflag = true;
|
|
770 |
if( (flags & 0x4) > 0)
|
|
771 |
zflag = false;
|
|
772 |
|
|
773 |
double[] pt10 = getPoint(zflag);
|
|
774 |
double[] pt11 = getPoint(zflag);
|
|
775 |
|
|
776 |
line.setP1(pt10);
|
|
777 |
line.setP2(pt11);
|
|
778 |
|
|
779 |
if((opts & 0x1) > 0){
|
|
780 |
double[] pt210 = getPoint(true);
|
|
781 |
line.setExtrusion(pt210);
|
|
782 |
}
|
|
783 |
|
|
784 |
if((opts & 0x2) > 0){
|
|
785 |
/*
|
|
786 |
* This field is only found in DWG12 prev
|
|
787 |
* files. Since DWG 12, elevation is saved
|
|
788 |
* in third coordinate of points.
|
|
789 |
*
|
|
790 |
* */
|
|
791 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
792 |
double db38 = bb.getDouble();
|
|
793 |
line.getP1()[2] = db38;
|
|
794 |
line.getP2()[2] = db38;
|
|
795 |
}
|
|
796 |
}
|
|
797 |
}
|
|
798 |
|
|
799 |
|
|
800 |
|
|
801 |
class PointReader implements EntityReader{
|
|
802 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
803 |
if(! (dwgObj instanceof DwgPoint))
|
|
804 |
throw new RuntimeException("No es entidad POINT");
|
|
805 |
DwgPoint point = (DwgPoint) dwgObj;
|
|
806 |
boolean zflag = true;
|
|
807 |
if((flags & 0x4) > 0)
|
|
808 |
zflag = false;
|
|
809 |
double[] pt10 = getPoint(zflag);
|
|
810 |
point.setPoint(pt10);
|
|
811 |
|
|
812 |
if((opts & 0x1) > 0){
|
|
813 |
double[] pt210 = getPoint(true);
|
|
814 |
point.setExtrusion(pt210);
|
|
815 |
}
|
|
816 |
|
|
817 |
if((opts & 0x2) > 0){
|
|
818 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
819 |
double db38 = bb.getDouble();
|
|
820 |
point.getPoint()[2] = db38;
|
|
821 |
}
|
|
822 |
}
|
|
823 |
}
|
|
824 |
|
|
825 |
|
|
826 |
class CircleReader implements EntityReader{
|
|
827 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
828 |
if(! (dwgObj instanceof DwgCircle))
|
|
829 |
throw new RuntimeException("No es entidad CIRCLE");
|
|
830 |
DwgCircle circle = (DwgCircle) dwgObj;
|
|
831 |
|
|
832 |
boolean zflag = true;
|
|
833 |
if((flags & 0x4) > 0)
|
|
834 |
zflag = false;
|
|
835 |
double[] pt10 = getPoint(zflag);
|
|
836 |
circle.setCenter(pt10);
|
|
837 |
|
|
838 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
839 |
double d40 = bb.getDouble();
|
|
840 |
circle.setRadius(d40);
|
|
841 |
|
|
842 |
double[] pt210 = null;
|
|
843 |
if((opts & 0x1) > 0){
|
|
844 |
pt210 = getPoint(true);
|
|
845 |
|
|
846 |
}else{
|
|
847 |
pt210 = new double[]{0,0,1};
|
|
848 |
}
|
|
849 |
circle.setExtrusion(pt210);
|
|
850 |
if((opts & 0x2) > 0){
|
|
851 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
852 |
double db38 = bb.getDouble();
|
|
853 |
circle.getCenter()[2] = db38;
|
|
854 |
}
|
|
855 |
}
|
|
856 |
}
|
|
857 |
|
|
858 |
|
|
859 |
|
|
860 |
class ShapeReader implements EntityReader{
|
|
861 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
862 |
|
|
863 |
//TODO POR IMPLEMENTAR DwgShape (referencia a un
|
|
864 |
//fichero de texto)
|
|
865 |
|
|
866 |
double[] pt10 = getPoint(false);
|
|
867 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
868 |
short w2 = bb.getShort();
|
|
869 |
if((opts & 0x1) > 0){
|
|
870 |
double[] pt210 = getPoint(true);
|
|
871 |
}
|
|
872 |
if((opts & 0x2) > 0){
|
|
873 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
874 |
double db38 = bb.getDouble();
|
|
875 |
}
|
|
876 |
}
|
|
877 |
}
|
|
878 |
|
|
879 |
public String getString(){
|
|
880 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
881 |
short len = bb.getShort();
|
|
882 |
byte[] bytes = new byte[len];
|
|
883 |
bb.order(ByteOrder.nativeOrder());
|
|
884 |
bb.get(bytes);
|
|
885 |
return new String(bytes);
|
|
886 |
}
|
|
887 |
|
|
888 |
|
|
889 |
class TextReader implements EntityReader{
|
|
890 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
891 |
|
|
892 |
if(! (dwgObj instanceof DwgText))
|
|
893 |
throw new RuntimeException("No es entidad TEXT");
|
|
894 |
DwgText txt = (DwgText) dwgObj;
|
|
895 |
|
|
896 |
|
|
897 |
double[] pt10 = getPoint(false);
|
|
898 |
txt.setInsertionPoint(new Point2D.Double(pt10[0], pt10[1]));
|
|
899 |
|
|
900 |
|
|
901 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
902 |
double db40 = bb.getDouble();
|
|
903 |
txt.setHeight(db40);
|
|
904 |
|
|
905 |
|
|
906 |
|
|
907 |
String text = getString();
|
|
908 |
txt.setText(text);
|
|
909 |
if((opts & 0x1) > 0){
|
|
910 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
911 |
double db50 = bb.getDouble();
|
|
912 |
txt.setRotationAngle(db50);
|
|
913 |
}
|
|
914 |
if((opts & 0x2) > 0){
|
|
915 |
double db41 = bb.getDouble();
|
|
916 |
txt.setWidthFactor(db41);//TODO 41 es width factor seguro?
|
|
917 |
}
|
|
918 |
if((opts & 0x4) > 0){
|
|
919 |
double db51 = bb.getDouble();
|
|
920 |
txt.setObliqueAngle(db51);
|
|
921 |
}
|
|
922 |
if((opts & 0x8) > 0){
|
|
923 |
byte b7 = bb.get();
|
|
924 |
}
|
|
925 |
if((opts & 0x10) > 0){
|
|
926 |
byte b71 = bb.get();
|
|
927 |
//parametros de mirroring
|
|
928 |
txt.setGeneration(b71);
|
|
929 |
}
|
|
930 |
if((opts & 0x20) > 0){
|
|
931 |
byte b72 = bb.get();
|
|
932 |
txt.setHalign(b72);
|
|
933 |
}
|
|
934 |
if((opts & 0x40) > 0){
|
|
935 |
double[] pt11 = getPoint(false);
|
|
936 |
txt.setAlignmentPoint(new Point2D.Double(pt11[0], pt11[1]));
|
|
937 |
}
|
|
938 |
if((opts & 0x100) > 0){
|
|
939 |
byte b73 = bb.get();
|
|
940 |
txt.setValign(b73);
|
|
941 |
}
|
|
942 |
|
|
943 |
//TODO La especificaci?n DXF 12 dice que la extrusion
|
|
944 |
//codigos DXF 210, 220, 230 se aplica sobre:
|
|
945 |
/*
|
|
946 |
Line, Point, Circle, Shape, Text, Arc, Trace,
|
|
947 |
Solid, Block Reference, Polyline,
|
|
948 |
Dimension, Attribute, and Attribute Definition entity
|
|
949 |
|
|
950 |
Pero aqu? no aparece por ningun lado la extrusion
|
|
951 |
* */
|
|
952 |
double[] ext = new double[]{0, 0, 1};
|
|
953 |
txt.setExtrusion(ext);
|
|
954 |
}
|
|
955 |
}
|
|
956 |
|
|
957 |
|
|
958 |
class ArcReader implements EntityReader{
|
|
959 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
960 |
if(! (dwgObj instanceof DwgArc))
|
|
961 |
throw new RuntimeException("No es entidad ARC");
|
|
962 |
DwgArc arc = (DwgArc) dwgObj;
|
|
963 |
|
|
964 |
double[] pt10 = getPoint(false);
|
|
965 |
arc.setCenter(pt10);
|
|
966 |
|
|
967 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
968 |
double d40 = bb.getDouble();
|
|
969 |
arc.setRadius(d40);
|
|
970 |
|
|
971 |
double d50 = bb.getDouble();
|
|
972 |
arc.setInitAngle(d50);
|
|
973 |
|
|
974 |
double d51 = bb.getDouble();
|
|
975 |
arc.setEndAngle(51);
|
|
976 |
|
|
977 |
double[] pt210 = null;
|
|
978 |
if((opts & 0x1) > 0){
|
|
979 |
pt210 = getPoint(true);
|
|
980 |
arc.setExtrusion(pt210);
|
|
981 |
}else{
|
|
982 |
pt210 = new double[]{1, 0, 0};
|
|
983 |
}
|
|
984 |
if((opts & 0x2) > 0){
|
|
985 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
986 |
double db38 = bb.getDouble();
|
|
987 |
arc.getCenter()[2] = db38;
|
|
988 |
}
|
|
989 |
}
|
|
990 |
}
|
|
991 |
|
|
992 |
|
|
993 |
|
|
994 |
class TraceReader implements EntityReader{
|
|
995 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
996 |
//TODO Implementar DwgTrace
|
|
997 |
double[] pt10 = getPoint(false);
|
|
998 |
double[] pt11 = getPoint(false);
|
|
999 |
double[] pt12 = getPoint(false);
|
|
1000 |
double[] pt13 = getPoint(false);
|
|
1001 |
if((opts & 0x1) > 0){
|
|
1002 |
double[] pt210 = getPoint(true);
|
|
1003 |
}
|
|
1004 |
if((opts & 0x2) > 0){
|
|
1005 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1006 |
double db38 = bb.getDouble();
|
|
1007 |
}
|
|
1008 |
}
|
|
1009 |
}
|
|
1010 |
|
|
1011 |
class SolidReader implements EntityReader{
|
|
1012 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1013 |
if(! (dwgObj instanceof DwgSolid))
|
|
1014 |
throw new RuntimeException("No es entidad SOLID");
|
|
1015 |
DwgSolid solid = (DwgSolid) dwgObj;
|
|
1016 |
|
|
1017 |
|
|
1018 |
|
|
1019 |
double[] pt11 = getPoint(false);
|
|
1020 |
solid.setCorner1(pt11);
|
|
1021 |
|
|
1022 |
double[] pt12 = getPoint(false);
|
|
1023 |
solid.setCorner2(pt12);
|
|
1024 |
|
|
1025 |
double[] pt13 = getPoint(false);
|
|
1026 |
solid.setCorner3(pt13);
|
|
1027 |
|
|
1028 |
double[] pt14 = getPoint(false);
|
|
1029 |
solid.setCorner4(pt14);
|
|
1030 |
|
|
1031 |
|
|
1032 |
if((opts & 0x1) > 0){
|
|
1033 |
double[] pt210 = getPoint(true);
|
|
1034 |
solid.setExtrusion(pt210);
|
|
1035 |
}
|
|
1036 |
if((opts & 0x2) > 0){
|
|
1037 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1038 |
double db38 = bb.getDouble();
|
|
1039 |
solid.getCorner1()[2] = db38;
|
|
1040 |
solid.getCorner2()[2] = db38;
|
|
1041 |
solid.getCorner3()[2] = db38;
|
|
1042 |
solid.getCorner4()[2] = db38;
|
|
1043 |
}
|
|
1044 |
|
|
1045 |
solid.setExtrusion(new double[]{0, 0, 1});
|
|
1046 |
}
|
|
1047 |
}
|
|
1048 |
|
|
1049 |
|
|
1050 |
private Block getBlock(String blockName){
|
|
1051 |
for(int i = 0; i < blocks.size(); i++){
|
|
1052 |
Block block = (Block) blocks.get(i);
|
|
1053 |
if(block.name.equalsIgnoreCase(blockName)){
|
|
1054 |
return block;
|
|
1055 |
}
|
|
1056 |
}
|
|
1057 |
return null;
|
|
1058 |
}
|
|
1059 |
|
|
1060 |
|
|
1061 |
|
|
1062 |
class BlkReader implements EntityReader{
|
|
1063 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1064 |
if(! (dwgObj instanceof DwgBlockHeader))
|
|
1065 |
throw new RuntimeException("No es entidad BLOCK");
|
|
1066 |
DwgBlockHeader blk = (DwgBlockHeader) dwgObj;
|
|
1067 |
|
|
1068 |
|
|
1069 |
double[] pt10 = getPoint(false);
|
|
1070 |
blk.setBasePoint(pt10);
|
|
1071 |
String blockName = getString();
|
|
1072 |
blk.setName(blockName);
|
|
1073 |
Block block = getBlock(blockName);
|
|
1074 |
if(block == null){
|
|
1075 |
System.out.println(blockName+" no encontrado en la tabla de bloques");
|
|
1076 |
}
|
|
1077 |
|
|
1078 |
if((opts & 0x2) > 0)
|
|
1079 |
{
|
|
1080 |
//puede ser que se trate de referencias
|
|
1081 |
//externas??
|
|
1082 |
String s3 = getString();
|
|
1083 |
}
|
|
1084 |
|
|
1085 |
if((flags & 1) > 0){
|
|
1086 |
blk.setAnonymous(true);
|
|
1087 |
}
|
|
1088 |
|
|
1089 |
if((flags & 2) > 0){
|
|
1090 |
blk.setHasAttrs(true);
|
|
1091 |
}
|
|
1092 |
|
|
1093 |
if((flags & 4) > 0){
|
|
1094 |
blk.setBlkIsXRef(true);
|
|
1095 |
}
|
|
1096 |
|
|
1097 |
if((flags & 16) > 0){
|
|
1098 |
blk.setXdep(true);
|
|
1099 |
}
|
|
1100 |
|
|
1101 |
if((flags & 32) > 0){
|
|
1102 |
blk.setXRefOverLaid(true);
|
|
1103 |
}
|
|
1104 |
|
|
1105 |
if((flags & 64) > 0){
|
|
1106 |
blk.setLoaded(true);
|
|
1107 |
}
|
|
1108 |
|
|
1109 |
|
|
1110 |
/*
|
|
1111 |
|
|
1112 |
1 | This is an anonymous Block generated by |
|
|
1113 |
| | hatching, associative dimensioning, other |
|
|
1114 |
| | internal operations, or an application |
|
|
1115 |
|----------|--------------------------------------------|
|
|
1116 |
| 2 | This Block has Attributes |
|
|
1117 |
|----------|--------------------------------------------|
|
|
1118 |
| 4 | This Block is an external reference (Xref) |
|
|
1119 |
|----------|--------------------------------------------|
|
|
1120 |
| 8 | not used |
|
|
1121 |
|----------|--------------------------------------------|
|
|
1122 |
| 16 | This Block is externally dependent |
|
|
1123 |
|----------|--------------------------------------------|
|
|
1124 |
| 32 | This is a resolved external reference, or |
|
|
1125 |
| | dependent of an external reference |
|
|
1126 |
|----------|--------------------------------------------|
|
|
1127 |
| 64 | This definition is referenced
|
|
1128 |
|
|
1129 |
*/
|
|
1130 |
|
|
1131 |
}
|
|
1132 |
}
|
|
1133 |
class EndBlkReader implements EntityReader{
|
|
1134 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1135 |
}
|
|
1136 |
}
|
|
1137 |
|
|
1138 |
class InsertReader implements EntityReader{
|
|
1139 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1140 |
if(! (dwgObj instanceof DwgInsert))
|
|
1141 |
throw new RuntimeException("No es entidad INSERT");
|
|
1142 |
DwgInsert insert = (DwgInsert) dwgObj;
|
|
1143 |
|
|
1144 |
bb.order(ByteOrder.nativeOrder());
|
|
1145 |
short w1 = bb.getShort();//Puede ser este el identificador de bloque???
|
|
1146 |
|
|
1147 |
DwgHandleReference blockHandle = new
|
|
1148 |
DwgHandleReference(0x5, w1);
|
|
1149 |
insert.setBlockHeaderHandle(blockHandle);
|
|
1150 |
|
|
1151 |
double[] pt10 = getPoint(false);
|
|
1152 |
insert.setInsertionPoint(pt10);
|
|
1153 |
|
|
1154 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1155 |
|
|
1156 |
double x = 0d, y = 0d, z = 0d;
|
|
1157 |
|
|
1158 |
if((opts & 0x1) > 0){
|
|
1159 |
double db41 = bb.getDouble();
|
|
1160 |
x = db41;
|
|
1161 |
}
|
|
1162 |
|
|
1163 |
if((opts & 0x2) > 0){
|
|
1164 |
double db42 = bb.getDouble();
|
|
1165 |
y = db42;
|
|
1166 |
}
|
|
1167 |
|
|
1168 |
if((opts & 0x4) > 0){
|
|
1169 |
double db43 = bb.getDouble();
|
|
1170 |
z = db43;
|
|
1171 |
}
|
|
1172 |
|
|
1173 |
insert.setScale(new double[]{x, y, z});
|
|
1174 |
|
|
1175 |
if((opts & 0x8) > 0){
|
|
1176 |
double db50 = bb.getDouble();
|
|
1177 |
insert.setRotation(db50);
|
|
1178 |
}
|
|
1179 |
|
|
1180 |
if((opts & 0x10) > 0){
|
|
1181 |
short w70 = bb.getShort();
|
|
1182 |
//column counts
|
|
1183 |
}
|
|
1184 |
//creo que esto est? mal, y que debe poner 0x20
|
|
1185 |
if((opts & 0x10) > 0){
|
|
1186 |
short w71 = bb.getShort();
|
|
1187 |
//row counts
|
|
1188 |
}
|
|
1189 |
|
|
1190 |
if((opts & 0x40) > 0){
|
|
1191 |
double db44 = bb.getDouble();
|
|
1192 |
//column spacing
|
|
1193 |
}
|
|
1194 |
|
|
1195 |
if((opts & 0x80) > 0){
|
|
1196 |
double db45 = bb.getDouble();
|
|
1197 |
//row spacing
|
|
1198 |
}
|
|
1199 |
insert.setExtrusion(new double[]{0, 0, 1});
|
|
1200 |
}
|
|
1201 |
}
|
|
1202 |
|
|
1203 |
class AttDefReader implements EntityReader{
|
|
1204 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1205 |
double[] p10 = getPoint(false);
|
|
1206 |
String s1 = getString();
|
|
1207 |
String s3 = getString();
|
|
1208 |
String s2 = getString();
|
|
1209 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1210 |
byte b70 = bb.get();
|
|
1211 |
|
|
1212 |
if((opts & 0x1) > 0){
|
|
1213 |
byte b73 = bb.get();
|
|
1214 |
}
|
|
1215 |
|
|
1216 |
if((opts & 0x2) > 0){
|
|
1217 |
double d50 = bb.getDouble();
|
|
1218 |
}
|
|
1219 |
|
|
1220 |
if((opts & 0x4) > 0){
|
|
1221 |
double d41 = bb.getDouble();
|
|
1222 |
}
|
|
1223 |
|
|
1224 |
if((opts & 0x8) > 0){
|
|
1225 |
double d42 = bb.getDouble();
|
|
1226 |
}
|
|
1227 |
|
|
1228 |
if((opts & 0x10) > 0){
|
|
1229 |
byte b7 = bb.get();
|
|
1230 |
}
|
|
1231 |
|
|
1232 |
if((opts & 0x20) > 0){
|
|
1233 |
byte b71 = bb.get();
|
|
1234 |
}
|
|
1235 |
|
|
1236 |
if((opts & 0x40) > 0){
|
|
1237 |
byte b72 = bb.get();
|
|
1238 |
}
|
|
1239 |
|
|
1240 |
if((opts & 0x80) > 0){
|
|
1241 |
double[] p11 = getPoint(false);
|
|
1242 |
}
|
|
1243 |
|
|
1244 |
if((opts & 0x100) > 0){
|
|
1245 |
double[] p210 = getPoint(true);
|
|
1246 |
}
|
|
1247 |
|
|
1248 |
if((opts & 0x200) > 0){
|
|
1249 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1250 |
double d38 = bb.getDouble();
|
|
1251 |
}
|
|
1252 |
}
|
|
1253 |
}
|
|
1254 |
|
|
1255 |
class AttribReader implements EntityReader{
|
|
1256 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1257 |
double[] p10 = getPoint(false);
|
|
1258 |
|
|
1259 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1260 |
double d40 = bb.getDouble();
|
|
1261 |
|
|
1262 |
String s1 = getString();
|
|
1263 |
String s2 = getString();
|
|
1264 |
|
|
1265 |
if((opts & 0x1) > 0){
|
|
1266 |
byte b73 = bb.get();
|
|
1267 |
}
|
|
1268 |
|
|
1269 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1270 |
if((opts & 0x2) > 0){
|
|
1271 |
double d50 = bb.getDouble();
|
|
1272 |
}
|
|
1273 |
|
|
1274 |
if((opts & 0x4) > 0){
|
|
1275 |
double d41 = bb.getDouble();
|
|
1276 |
}
|
|
1277 |
|
|
1278 |
if((opts & 0x8) > 0){
|
|
1279 |
double d42 = bb.getDouble();
|
|
1280 |
}
|
|
1281 |
|
|
1282 |
if((opts & 0x10) > 0){
|
|
1283 |
byte b7 = bb.get();
|
|
1284 |
}
|
|
1285 |
|
|
1286 |
if((opts & 0x20) > 0){
|
|
1287 |
byte b71 = bb.get();
|
|
1288 |
}
|
|
1289 |
|
|
1290 |
if((opts & 0x40) > 0){
|
|
1291 |
byte b72 = bb.get();
|
|
1292 |
}
|
|
1293 |
|
|
1294 |
if((opts & 0x80) > 0){
|
|
1295 |
double[] p11 = getPoint(false);
|
|
1296 |
}
|
|
1297 |
double[] p210 = null;
|
|
1298 |
if((opts & 0x100) > 0){
|
|
1299 |
p210 = getPoint(true);
|
|
1300 |
}else{
|
|
1301 |
p210 = new double[]{0, 0, 1};
|
|
1302 |
}
|
|
1303 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1304 |
if((opts & 0x200) > 0){
|
|
1305 |
double d38 = bb.getDouble();
|
|
1306 |
}
|
|
1307 |
}
|
|
1308 |
}
|
|
1309 |
|
|
1310 |
|
|
1311 |
class SbEndReader implements EntityReader{
|
|
1312 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1313 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1314 |
int l = bb.getInt();
|
|
1315 |
}
|
|
1316 |
}
|
|
1317 |
|
|
1318 |
class PlineReader extends DefferedEntityReader{
|
|
1319 |
|
|
1320 |
/*
|
|
1321 |
* CURVE TYPE CONSTANTS
|
|
1322 |
* */
|
|
1323 |
final static int CLOSED = 0x01;//if line is a mesh, curve closed in M direction
|
|
1324 |
final static int CURVE_FIT = 0x02;
|
|
1325 |
final static int SPLINE_FIT = 0x04;
|
|
1326 |
final static int PLINE3D = 0x08;
|
|
1327 |
final static int MESH = 0x10;
|
|
1328 |
final static int MESH_CLOSED = 0x20;//curve closed in N direction
|
|
1329 |
final static int ANY_MESH = 0x30; //MESH | MESH_CLOSED
|
|
1330 |
final static int PFACE = 0x40;
|
|
1331 |
final static int CONT_LTYPE = 0x80;
|
|
1332 |
|
|
1333 |
/*
|
|
1334 |
* polyline attributes
|
|
1335 |
* */
|
|
1336 |
/**
|
|
1337 |
* flag: curve type (CLOSED, MESH,PFACE, etc.)
|
|
1338 |
* */
|
|
1339 |
byte flag70;
|
|
1340 |
/**
|
|
1341 |
* Number of points in M direction for a Mesh,
|
|
1342 |
* number of vertices for a PFace polyline
|
|
1343 |
* */
|
|
1344 |
byte meshM71;
|
|
1345 |
/**
|
|
1346 |
* Number of points in N direction for a Mesh,
|
|
1347 |
* number of faces for a PFace polyline
|
|
1348 |
* */
|
|
1349 |
byte meshN72;
|
|
1350 |
double startW40;
|
|
1351 |
byte smoothM73;
|
|
1352 |
byte smoothN74;
|
|
1353 |
byte curveType75;
|
|
1354 |
|
|
1355 |
|
|
1356 |
private void reset(){
|
|
1357 |
flag70 = 0;
|
|
1358 |
meshM71 = 0;
|
|
1359 |
meshN72 = 0;
|
|
1360 |
startW40 = 0;
|
|
1361 |
smoothM73 = 0;
|
|
1362 |
smoothN74 = 0;
|
|
1363 |
curveType75 = 0;
|
|
1364 |
}
|
|
1365 |
|
|
1366 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {
|
|
1367 |
super.read(bb, flags, opts, dwgObj);
|
|
1368 |
|
|
1369 |
//TODO El byte 70 es el que determina el tipo de Polyline
|
|
1370 |
if( (opts & 0x1) > 0){
|
|
1371 |
flag70 = bb.get();
|
|
1372 |
}
|
|
1373 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
1374 |
if( (opts & 0x2) > 0){
|
|
1375 |
startW40 = bb.getDouble();
|
|
1376 |
}
|
|
1377 |
|
|
1378 |
if( (opts & 0x4) > 0){
|
|
1379 |
meshM71 = bb.get();
|
|
1380 |
}
|
|
1381 |
|
|
1382 |
if( (opts & 0x8) > 0){
|
|
1383 |
meshN72 = bb.get();
|
|
1384 |
}
|
|
1385 |
|
|
1386 |
if( (opts & 0x10) > 0){
|
|
1387 |
smoothM73 = bb.get();
|
|
1388 |
}
|
|
1389 |
|
|
1390 |
if( (opts & 0x20) > 0){
|
|
1391 |
smoothN74 = bb.get();
|
|
1392 |
}
|
|
1393 |
|
|
1394 |
if( (opts & 0x40) > 0){
|
|
1395 |
curveType75 = bb.get();
|
|
1396 |
}
|
|
1397 |
}
|
|
1398 |
|
|
1399 |
DwgObject getDwgObject(int index) {
|
|
1400 |
DwgObject solution = null;
|
|
1401 |
boolean isSpline = (flag70 & SPLINE_FIT) != 0 ? true: false;
|
|
1402 |
if( (flag70 & PFACE) != 0){
|
|
1403 |
//PFacePolyline
|
|
1404 |
solution = new DwgPFacePolyline(index);
|
|
1405 |
// often made wrong, so we have to correct...TODO Revisar
|
|
1406 |
if(meshM71 <= 0)
|
|
1407 |
meshM71 = 16;
|
|
1408 |
if(meshN72 <= 0)
|
|
1409 |
meshN72 = 4;
|
|
1410 |
((DwgPFacePolyline)solution).setVertexCount(meshM71);
|
|
1411 |
((DwgPFacePolyline)solution).setFaceCount(meshN72);
|
|
1412 |
}else if((flag70 & ANY_MESH) != 0){
|
|
1413 |
//Mesh, closed or not
|
|
1414 |
solution = new DwgMeshPolyline(index);
|
|
1415 |
boolean isClosedM = (flag70 & CLOSED) != 0 ? true: false;
|
|
1416 |
boolean isClosedN = (flag70 & MESH_CLOSED) > 0 ? true: false;
|
|
1417 |
|
|
1418 |
((DwgMeshPolyline)solution).setClosedM(isClosedM);
|
|
1419 |
((DwgMeshPolyline)solution).setClosedN(isClosedN);
|
|
1420 |
if(isSpline){
|
|
1421 |
((DwgMeshPolyline)solution).setMVerticies(smoothM73);
|
|
1422 |
((DwgMeshPolyline)solution).setNVerticies(smoothN74);
|
|
1423 |
}else{
|
|
1424 |
((DwgMeshPolyline)solution).setMVerticies(meshM71);
|
|
1425 |
((DwgMeshPolyline)solution).setNVerticies(meshN72);
|
|
1426 |
}
|
|
1427 |
((DwgMeshPolyline)solution).setCurveType(curveType75);
|
|
1428 |
}else{
|
|
1429 |
//polyline
|
|
1430 |
boolean is3DPolyline = (flag70 & PLINE3D) != 0 ? true: false;
|
|
1431 |
if(is3DPolyline)
|
|
1432 |
{
|
|
1433 |
solution = new DwgPolyline3D(index);
|
|
1434 |
boolean isClosed = (flag70 & CLOSED) != 0 ? true: false;
|
|
1435 |
//for compatibility with dwg 13 and later, we use a byte flag for
|
|
1436 |
//closed and spline properties
|
|
1437 |
((DwgPolyline3D)solution).setClosedFlags(isClosed ? 0x1: 0x0);
|
|
1438 |
((DwgPolyline3D)solution).setSplineFlags(isSpline ? 0x1: 0x0);
|
|
1439 |
|
|
1440 |
}else{
|
|
1441 |
solution = new DwgPolyline2D(index);
|
|
1442 |
((DwgPolyline2D)solution).setCurveType(curveType75);
|
|
1443 |
((DwgPolyline2D)solution).setInitWidth(startW40);
|
|
1444 |
}
|
|
1445 |
}
|
|
1446 |
|