root / trunk / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / readers / DwgFileV12Reader.java @ 10820
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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.IDwgBlockMember; |
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import com.iver.cit.jdwglib.dwg.IDwgPolyline; |
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import com.iver.cit.jdwglib.dwg.IDwgVertex; |
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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.DwgEndblk; |
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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.DwgMeshPolyline; |
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import com.iver.cit.jdwglib.dwg.objects.DwgPFacePolyline; |
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import com.iver.cit.jdwglib.dwg.objects.DwgPoint; |
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import com.iver.cit.jdwglib.dwg.objects.DwgPolyline2D; |
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import com.iver.cit.jdwglib.dwg.objects.DwgPolyline3D; |
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import com.iver.cit.jdwglib.dwg.objects.DwgSeqend; |
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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.dwg.objects.DwgVertex2D; |
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import com.iver.cit.jdwglib.dwg.objects.DwgVertex3D; |
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import com.iver.cit.jdwglib.dwg.objects.DwgVertexPFace; |
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import com.iver.cit.jdwglib.dwg.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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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);
|
517 |
short used = bb.getShort();
|
518 |
|
519 |
double[] pt10 = getPoint(true); |
520 |
double[] pt11 = getPoint(true); |
521 |
double[] pt12 = getPoint(true); |
522 |
|
523 |
|
524 |
|
525 |
int offset = end - bb.position();
|
526 |
if(offset > 0) |
527 |
bb.position(bb.position() + offset); |
528 |
|
529 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
530 |
short crc = bb.getShort();
|
531 |
} |
532 |
byte[] crc32 = new byte[32]; |
533 |
bb.get(crc32); |
534 |
|
535 |
|
536 |
} |
537 |
|
538 |
|
539 |
|
540 |
private void readViewTable(Dwg12Table viewTable) { |
541 |
short size = viewTable.s1;
|
542 |
int numRecs = viewTable.i1;
|
543 |
int start = viewTable.i2;
|
544 |
int end = -1; |
545 |
bb.position(start); |
546 |
for(int i = 0; i < numRecs; i++){ |
547 |
end = bb.position() + size; |
548 |
|
549 |
byte flag = bb.get();
|
550 |
byte[] nameBytes = new byte[32]; |
551 |
bb.get(nameBytes); |
552 |
String name = new String(nameBytes); |
553 |
|
554 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
555 |
short used = bb.getShort();
|
556 |
double db40 = bb.getDouble();
|
557 |
|
558 |
double[] pt10 = getPoint(false); |
559 |
|
560 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
561 |
double db41 = bb.getDouble();
|
562 |
|
563 |
double[] pt11 = getPoint(true); |
564 |
|
565 |
double[] pt12 = getPoint(true); |
566 |
|
567 |
|
568 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
569 |
short w71 = bb.getShort();
|
570 |
double db42 = bb.getDouble();
|
571 |
double db43 = bb.getDouble();
|
572 |
double db44 = bb.getDouble();
|
573 |
double db50 = bb.getDouble();
|
574 |
|
575 |
int offset = end - bb.position();
|
576 |
if(offset > 0) |
577 |
bb.position(bb.position() + offset); |
578 |
|
579 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
580 |
short crc = bb.getShort();
|
581 |
|
582 |
|
583 |
} |
584 |
byte[] crc32 = new byte[32]; |
585 |
bb.get(crc32); |
586 |
} |
587 |
|
588 |
|
589 |
|
590 |
private void readLTypeTable(Dwg12Table lineTypeTable) { |
591 |
short size = lineTypeTable.s1;
|
592 |
int numRecs = lineTypeTable.i1;
|
593 |
int start = lineTypeTable.i2;
|
594 |
int end = -1; |
595 |
bb.position(start); |
596 |
for(int i = 0; i < numRecs; i++){ |
597 |
end = bb.position() + size; |
598 |
byte flag = bb.get();
|
599 |
byte[] nameBytes = new byte[32]; |
600 |
bb.get(nameBytes); |
601 |
String name = new String(nameBytes); |
602 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
603 |
short w1 = bb.getShort();
|
604 |
|
605 |
byte[] s1 = new byte[48]; |
606 |
bb.get(s1); |
607 |
String s1name = new String(s1); |
608 |
|
609 |
bb.order(ByteOrder.nativeOrder());
|
610 |
byte b1 = bb.get();
|
611 |
byte b2 = bb.get();
|
612 |
|
613 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
614 |
double[] doubles = new double[13]; |
615 |
for(int j = 0; j < 13; j++){ |
616 |
doubles[j] = bb.getDouble(); |
617 |
} |
618 |
|
619 |
short crc = bb.getShort();
|
620 |
|
621 |
int offset = end - bb.position();
|
622 |
if(offset > 0) |
623 |
bb.position(bb.position() + offset); |
624 |
} |
625 |
byte[] crc32 = new byte[32]; |
626 |
bb.get(crc32); |
627 |
} |
628 |
|
629 |
|
630 |
|
631 |
/**
|
632 |
* @param styleTable
|
633 |
*/
|
634 |
private void readStyleTable(Dwg12Table styleTable) { |
635 |
short size = styleTable.s1;
|
636 |
int numRecs = styleTable.i1;
|
637 |
int start = styleTable.i2;
|
638 |
int end = -1; |
639 |
bb.position(start); |
640 |
for(int i = 0; i < numRecs; i++){ |
641 |
end = bb.position() + size; |
642 |
byte flag = bb.get();
|
643 |
byte[] nameBytes = new byte[32]; |
644 |
bb.get(nameBytes); |
645 |
String name = new String(nameBytes); |
646 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
647 |
short w1 = bb.getShort();
|
648 |
double d1 = bb.getDouble();
|
649 |
double d2 = bb.getDouble();
|
650 |
double d3 = bb.getDouble();
|
651 |
byte b1 = bb.get();
|
652 |
double d4 = bb.getDouble();
|
653 |
|
654 |
byte[] s1 = new byte[128]; |
655 |
bb.get(s1); |
656 |
|
657 |
short crc = bb.getShort();
|
658 |
int offset = end - bb.position();
|
659 |
if(offset > 0) |
660 |
bb.position(bb.position() + offset); |
661 |
} |
662 |
byte[] crc32 = new byte[32]; |
663 |
bb.get(crc32); |
664 |
} |
665 |
|
666 |
|
667 |
|
668 |
/**
|
669 |
* @param layerTable
|
670 |
*/
|
671 |
private void readLayerTable(Dwg12Table layerTable) { |
672 |
short size = layerTable.s1;
|
673 |
int numR = layerTable.i1;
|
674 |
int start = layerTable.i2;
|
675 |
|
676 |
int begin = -1; |
677 |
int end = -1; |
678 |
|
679 |
DwgLayer layer = null;
|
680 |
for(int i = 0; i < numR; i++){ |
681 |
begin = start + i * size; |
682 |
bb.position(begin); |
683 |
end = begin + size - 2;
|
684 |
|
685 |
layer = new DwgLayer(index);
|
686 |
index++; |
687 |
|
688 |
byte flag = bb.get();
|
689 |
/*
|
690 |
+=====================================================+
|
691 |
| Flag bit | Meaning |
|
692 |
| value | |
|
693 |
|----------|------------------------------------------|
|
694 |
| 1 | If set, layer is frozen |
|
695 |
|----------|------------------------------------------|
|
696 |
| 2 | If set, layer is frozen by default in |
|
697 |
| | new Viewports |
|
698 |
|----------|------------------------------------------|
|
699 |
| 4 | If set, layer is locked |
|
700 |
+-----------------------------------------------------+
|
701 |
* */
|
702 |
if((flag & 0x1) > 0){ |
703 |
layer.setFrozen(true);
|
704 |
} |
705 |
if((flag & 0x2) > 0){ |
706 |
layer.setFrozenInNew(true);
|
707 |
} |
708 |
if((flag & 0x4) > 0){ |
709 |
layer.setLocked(true);
|
710 |
} |
711 |
|
712 |
byte[] nameByte = new byte[32]; |
713 |
bb.get(nameByte); |
714 |
String name = new String(nameByte).trim(); |
715 |
layer.setName(name); |
716 |
|
717 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
718 |
short used = bb.getShort();
|
719 |
short color = bb.getShort();
|
720 |
layer.setColor(color); |
721 |
short style = bb.getShort();
|
722 |
short crc = bb.getShort();
|
723 |
|
724 |
DwgHandleReference handle = new DwgHandleReference(0x5, i); |
725 |
layer.setHandle(handle); |
726 |
dwgFile.addDwgObject(layer); |
727 |
|
728 |
|
729 |
int offset = end - bb.position();
|
730 |
if(offset > 0) |
731 |
bb.position(bb.position() + offset); |
732 |
|
733 |
} |
734 |
byte[] crc32 = new byte[32]; |
735 |
bb.get(crc32); |
736 |
} |
737 |
|
738 |
|
739 |
interface EntityReader{ |
740 |
void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj); |
741 |
} |
742 |
|
743 |
/**
|
744 |
* In DWG 12 version, some kind of objects (Polylines and Vertex) cannot be
|
745 |
* instanciated until the EntityReader has readed some stuff (flags and so)
|
746 |
* from the file.
|
747 |
*
|
748 |
* DefferedEntityReader has the responsability to create DwgObject instances,
|
749 |
* and it has the precondition that DwgObject parameter of its method read must
|
750 |
* be null.
|
751 |
* */
|
752 |
abstract class DefferedEntityReader implements EntityReader{ |
753 |
abstract DwgObject getDwgObject(int index); |
754 |
|
755 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj){ |
756 |
if(dwgObj != null) |
757 |
throw new RuntimeException("DefferedEntityReader es el encargado de construir los objetos, debe recibirlos a null"); |
758 |
} |
759 |
|
760 |
} |
761 |
|
762 |
class LineReader implements EntityReader{ |
763 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
764 |
if(! (dwgObj instanceof DwgLine)) |
765 |
throw new RuntimeException("No es entidad LINE"); |
766 |
DwgLine line = (DwgLine) dwgObj; |
767 |
|
768 |
boolean zflag = true; |
769 |
if( (flags & 0x4) > 0) |
770 |
zflag = false;
|
771 |
|
772 |
double[] pt10 = getPoint(zflag); |
773 |
double[] pt11 = getPoint(zflag); |
774 |
|
775 |
line.setP1(pt10); |
776 |
line.setP2(pt11); |
777 |
|
778 |
if((opts & 0x1) > 0){ |
779 |
double[] pt210 = getPoint(true); |
780 |
line.setExtrusion(pt210); |
781 |
} |
782 |
|
783 |
if((opts & 0x2) > 0){ |
784 |
/*
|
785 |
* This field is only found in DWG12 prev
|
786 |
* files. Since DWG 12, elevation is saved
|
787 |
* in third coordinate of points.
|
788 |
*
|
789 |
* */
|
790 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
791 |
double db38 = bb.getDouble();
|
792 |
line.getP1()[2] = db38;
|
793 |
line.getP2()[2] = db38;
|
794 |
} |
795 |
} |
796 |
} |
797 |
|
798 |
|
799 |
|
800 |
class PointReader implements EntityReader{ |
801 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
802 |
if(! (dwgObj instanceof DwgPoint)) |
803 |
throw new RuntimeException("No es entidad POINT"); |
804 |
DwgPoint point = (DwgPoint) dwgObj; |
805 |
boolean zflag = true; |
806 |
if((flags & 0x4) > 0) |
807 |
zflag = false;
|
808 |
double[] pt10 = getPoint(zflag); |
809 |
point.setPoint(pt10); |
810 |
|
811 |
if((opts & 0x1) > 0){ |
812 |
double[] pt210 = getPoint(true); |
813 |
point.setExtrusion(pt210); |
814 |
} |
815 |
|
816 |
if((opts & 0x2) > 0){ |
817 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
818 |
double db38 = bb.getDouble();
|
819 |
point.getPoint()[2] = db38;
|
820 |
} |
821 |
} |
822 |
} |
823 |
|
824 |
|
825 |
class CircleReader implements EntityReader{ |
826 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
827 |
if(! (dwgObj instanceof DwgCircle)) |
828 |
throw new RuntimeException("No es entidad CIRCLE"); |
829 |
DwgCircle circle = (DwgCircle) dwgObj; |
830 |
|
831 |
boolean zflag = true; |
832 |
if((flags & 0x4) > 0) |
833 |
zflag = false;
|
834 |
double[] pt10 = getPoint(zflag); |
835 |
circle.setCenter(pt10); |
836 |
|
837 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
838 |
double d40 = bb.getDouble();
|
839 |
circle.setRadius(d40); |
840 |
|
841 |
double[] pt210 = null; |
842 |
if((opts & 0x1) > 0){ |
843 |
pt210 = getPoint(true);
|
844 |
|
845 |
}else{
|
846 |
pt210 = new double[]{0,0,1}; |
847 |
} |
848 |
circle.setExtrusion(pt210); |
849 |
if((opts & 0x2) > 0){ |
850 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
851 |
double db38 = bb.getDouble();
|
852 |
circle.getCenter()[2] = db38;
|
853 |
} |
854 |
} |
855 |
} |
856 |
|
857 |
|
858 |
|
859 |
class ShapeReader implements EntityReader{ |
860 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
861 |
|
862 |
//TODO POR IMPLEMENTAR DwgShape (referencia a un
|
863 |
//fichero de texto)
|
864 |
|
865 |
double[] pt10 = getPoint(false); |
866 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
867 |
short w2 = bb.getShort();
|
868 |
if((opts & 0x1) > 0){ |
869 |
double[] pt210 = getPoint(true); |
870 |
} |
871 |
if((opts & 0x2) > 0){ |
872 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
873 |
double db38 = bb.getDouble();
|
874 |
} |
875 |
} |
876 |
} |
877 |
|
878 |
public String getString(){ |
879 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
880 |
short len = bb.getShort();
|
881 |
byte[] bytes = new byte[len]; |
882 |
bb.order(ByteOrder.nativeOrder());
|
883 |
bb.get(bytes); |
884 |
return new String(bytes); |
885 |
} |
886 |
|
887 |
|
888 |
class TextReader implements EntityReader{ |
889 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
890 |
|
891 |
if(! (dwgObj instanceof DwgText)) |
892 |
throw new RuntimeException("No es entidad TEXT"); |
893 |
DwgText txt = (DwgText) dwgObj; |
894 |
|
895 |
|
896 |
double[] pt10 = getPoint(false); |
897 |
txt.setInsertionPoint(new Point2D.Double(pt10[0], pt10[1])); |
898 |
|
899 |
|
900 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
901 |
double db40 = bb.getDouble();
|
902 |
txt.setHeight(db40); |
903 |
|
904 |
|
905 |
|
906 |
String text = getString();
|
907 |
txt.setText(text); |
908 |
if((opts & 0x1) > 0){ |
909 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
910 |
double db50 = bb.getDouble();
|
911 |
txt.setRotationAngle(db50); |
912 |
} |
913 |
if((opts & 0x2) > 0){ |
914 |
double db41 = bb.getDouble();
|
915 |
txt.setWidthFactor(db41);//TODO 41 es width factor seguro?
|
916 |
} |
917 |
if((opts & 0x4) > 0){ |
918 |
double db51 = bb.getDouble();
|
919 |
txt.setObliqueAngle(db51); |
920 |
} |
921 |
if((opts & 0x8) > 0){ |
922 |
byte b7 = bb.get();
|
923 |
} |
924 |
if((opts & 0x10) > 0){ |
925 |
byte b71 = bb.get();
|
926 |
//parametros de mirroring
|
927 |
txt.setGeneration(b71); |
928 |
} |
929 |
if((opts & 0x20) > 0){ |
930 |
byte b72 = bb.get();
|
931 |
txt.setHalign(b72); |
932 |
} |
933 |
if((opts & 0x40) > 0){ |
934 |
double[] pt11 = getPoint(false); |
935 |
txt.setAlignmentPoint(new Point2D.Double(pt11[0], pt11[1])); |
936 |
} |
937 |
if((opts & 0x100) > 0){ |
938 |
byte b73 = bb.get();
|
939 |
txt.setValign(b73); |
940 |
} |
941 |
|
942 |
//TODO La especificaci?n DXF 12 dice que la extrusion
|
943 |
//codigos DXF 210, 220, 230 se aplica sobre:
|
944 |
/*
|
945 |
Line, Point, Circle, Shape, Text, Arc, Trace,
|
946 |
Solid, Block Reference, Polyline,
|
947 |
Dimension, Attribute, and Attribute Definition entity
|
948 |
|
949 |
Pero aqu? no aparece por ningun lado la extrusion
|
950 |
* */
|
951 |
double[] ext = new double[]{0, 0, 1}; |
952 |
txt.setExtrusion(ext); |
953 |
} |
954 |
} |
955 |
|
956 |
|
957 |
class ArcReader implements EntityReader{ |
958 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
959 |
if(! (dwgObj instanceof DwgArc)) |
960 |
throw new RuntimeException("No es entidad ARC"); |
961 |
DwgArc arc = (DwgArc) dwgObj; |
962 |
|
963 |
double[] pt10 = getPoint(false); |
964 |
arc.setCenter(pt10); |
965 |
|
966 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
967 |
double d40 = bb.getDouble();
|
968 |
arc.setRadius(d40); |
969 |
|
970 |
double d50 = bb.getDouble();
|
971 |
arc.setInitAngle(d50); |
972 |
|
973 |
double d51 = bb.getDouble();
|
974 |
arc.setEndAngle(51);
|
975 |
|
976 |
double[] pt210 = null; |
977 |
if((opts & 0x1) > 0){ |
978 |
pt210 = getPoint(true);
|
979 |
arc.setExtrusion(pt210); |
980 |
}else{
|
981 |
pt210 = new double[]{1, 0, 0}; |
982 |
} |
983 |
if((opts & 0x2) > 0){ |
984 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
985 |
double db38 = bb.getDouble();
|
986 |
arc.getCenter()[2] = db38;
|
987 |
} |
988 |
} |
989 |
} |
990 |
|
991 |
|
992 |
|
993 |
class TraceReader implements EntityReader{ |
994 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
995 |
//TODO Implementar DwgTrace
|
996 |
double[] pt10 = getPoint(false); |
997 |
double[] pt11 = getPoint(false); |
998 |
double[] pt12 = getPoint(false); |
999 |
double[] pt13 = getPoint(false); |
1000 |
if((opts & 0x1) > 0){ |
1001 |
double[] pt210 = getPoint(true); |
1002 |
} |
1003 |
if((opts & 0x2) > 0){ |
1004 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1005 |
double db38 = bb.getDouble();
|
1006 |
} |
1007 |
} |
1008 |
} |
1009 |
|
1010 |
class SolidReader implements EntityReader{ |
1011 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1012 |
if(! (dwgObj instanceof DwgSolid)) |
1013 |
throw new RuntimeException("No es entidad SOLID"); |
1014 |
DwgSolid solid = (DwgSolid) dwgObj; |
1015 |
|
1016 |
|
1017 |
|
1018 |
double[] pt11 = getPoint(false); |
1019 |
solid.setCorner1(pt11); |
1020 |
|
1021 |
double[] pt12 = getPoint(false); |
1022 |
solid.setCorner2(pt12); |
1023 |
|
1024 |
double[] pt13 = getPoint(false); |
1025 |
solid.setCorner3(pt13); |
1026 |
|
1027 |
double[] pt14 = getPoint(false); |
1028 |
solid.setCorner4(pt14); |
1029 |
|
1030 |
|
1031 |
if((opts & 0x1) > 0){ |
1032 |
double[] pt210 = getPoint(true); |
1033 |
solid.setExtrusion(pt210); |
1034 |
} |
1035 |
if((opts & 0x2) > 0){ |
1036 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1037 |
double db38 = bb.getDouble();
|
1038 |
solid.getCorner1()[2] = db38;
|
1039 |
solid.getCorner2()[2] = db38;
|
1040 |
solid.getCorner3()[2] = db38;
|
1041 |
solid.getCorner4()[2] = db38;
|
1042 |
} |
1043 |
|
1044 |
solid.setExtrusion(new double[]{0, 0, 1}); |
1045 |
} |
1046 |
} |
1047 |
|
1048 |
|
1049 |
private Block getBlock(String blockName){ |
1050 |
for(int i = 0; i < blocks.size(); i++){ |
1051 |
Block block = (Block) blocks.get(i); |
1052 |
if(block.name.equalsIgnoreCase(blockName)){
|
1053 |
return block;
|
1054 |
} |
1055 |
} |
1056 |
return null; |
1057 |
} |
1058 |
|
1059 |
|
1060 |
|
1061 |
class BlkReader implements EntityReader{ |
1062 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1063 |
if(! (dwgObj instanceof DwgBlockHeader)) |
1064 |
throw new RuntimeException("No es entidad BLOCK"); |
1065 |
DwgBlockHeader blk = (DwgBlockHeader) dwgObj; |
1066 |
|
1067 |
|
1068 |
double[] pt10 = getPoint(false); |
1069 |
blk.setBasePoint(pt10); |
1070 |
String blockName = getString();
|
1071 |
blk.setName(blockName); |
1072 |
Block block = getBlock(blockName); |
1073 |
if(block == null){ |
1074 |
System.out.println(blockName+" no encontrado en la tabla de bloques"); |
1075 |
} |
1076 |
|
1077 |
if((opts & 0x2) > 0) |
1078 |
{ |
1079 |
//puede ser que se trate de referencias
|
1080 |
//externas??
|
1081 |
String s3 = getString();
|
1082 |
} |
1083 |
|
1084 |
if((flags & 1) > 0){ |
1085 |
blk.setAnonymous(true);
|
1086 |
} |
1087 |
|
1088 |
if((flags & 2) > 0){ |
1089 |
blk.setHasAttrs(true);
|
1090 |
} |
1091 |
|
1092 |
if((flags & 4) > 0){ |
1093 |
blk.setBlkIsXRef(true);
|
1094 |
} |
1095 |
|
1096 |
if((flags & 16) > 0){ |
1097 |
blk.setXdep(true);
|
1098 |
} |
1099 |
|
1100 |
if((flags & 32) > 0){ |
1101 |
blk.setXRefOverLaid(true);
|
1102 |
} |
1103 |
|
1104 |
if((flags & 64) > 0){ |
1105 |
blk.setLoaded(true);
|
1106 |
} |
1107 |
|
1108 |
|
1109 |
/*
|
1110 |
|
1111 |
1 | This is an anonymous Block generated by |
|
1112 |
| | hatching, associative dimensioning, other |
|
1113 |
| | internal operations, or an application |
|
1114 |
|----------|--------------------------------------------|
|
1115 |
| 2 | This Block has Attributes |
|
1116 |
|----------|--------------------------------------------|
|
1117 |
| 4 | This Block is an external reference (Xref) |
|
1118 |
|----------|--------------------------------------------|
|
1119 |
| 8 | not used |
|
1120 |
|----------|--------------------------------------------|
|
1121 |
| 16 | This Block is externally dependent |
|
1122 |
|----------|--------------------------------------------|
|
1123 |
| 32 | This is a resolved external reference, or |
|
1124 |
| | dependent of an external reference |
|
1125 |
|----------|--------------------------------------------|
|
1126 |
| 64 | This definition is referenced
|
1127 |
|
1128 |
*/
|
1129 |
|
1130 |
} |
1131 |
} |
1132 |
class EndBlkReader implements EntityReader{ |
1133 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1134 |
} |
1135 |
} |
1136 |
|
1137 |
class InsertReader implements EntityReader{ |
1138 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1139 |
if(! (dwgObj instanceof DwgInsert)) |
1140 |
throw new RuntimeException("No es entidad INSERT"); |
1141 |
DwgInsert insert = (DwgInsert) dwgObj; |
1142 |
|
1143 |
bb.order(ByteOrder.nativeOrder());
|
1144 |
short w1 = bb.getShort();//Puede ser este el identificador de bloque??? |
1145 |
|
1146 |
DwgHandleReference blockHandle = new
|
1147 |
DwgHandleReference(0x5, w1);
|
1148 |
insert.setBlockHeaderHandle(blockHandle); |
1149 |
|
1150 |
double[] pt10 = getPoint(false); |
1151 |
insert.setInsertionPoint(pt10); |
1152 |
|
1153 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1154 |
|
1155 |
double x = 0d, y = 0d, z = 0d; |
1156 |
|
1157 |
if((opts & 0x1) > 0){ |
1158 |
double db41 = bb.getDouble();
|
1159 |
x = db41; |
1160 |
} |
1161 |
|
1162 |
if((opts & 0x2) > 0){ |
1163 |
double db42 = bb.getDouble();
|
1164 |
y = db42; |
1165 |
} |
1166 |
|
1167 |
if((opts & 0x4) > 0){ |
1168 |
double db43 = bb.getDouble();
|
1169 |
z = db43; |
1170 |
} |
1171 |
|
1172 |
insert.setScale(new double[]{x, y, z}); |
1173 |
|
1174 |
if((opts & 0x8) > 0){ |
1175 |
double db50 = bb.getDouble();
|
1176 |
insert.setRotation(db50); |
1177 |
} |
1178 |
|
1179 |
if((opts & 0x10) > 0){ |
1180 |
short w70 = bb.getShort();
|
1181 |
//column counts
|
1182 |
} |
1183 |
//creo que esto est? mal, y que debe poner 0x20
|
1184 |
if((opts & 0x10) > 0){ |
1185 |
short w71 = bb.getShort();
|
1186 |
//row counts
|
1187 |
} |
1188 |
|
1189 |
if((opts & 0x40) > 0){ |
1190 |
double db44 = bb.getDouble();
|
1191 |
//column spacing
|
1192 |
} |
1193 |
|
1194 |
if((opts & 0x80) > 0){ |
1195 |
double db45 = bb.getDouble();
|
1196 |
//row spacing
|
1197 |
} |
1198 |
insert.setExtrusion(new double[]{0, 0, 1}); |
1199 |
} |
1200 |
} |
1201 |
|
1202 |
class AttDefReader implements EntityReader{ |
1203 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1204 |
double[] p10 = getPoint(false); |
1205 |
String s1 = getString();
|
1206 |
String s3 = getString();
|
1207 |
String s2 = getString();
|
1208 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1209 |
byte b70 = bb.get();
|
1210 |
|
1211 |
if((opts & 0x1) > 0){ |
1212 |
byte b73 = bb.get();
|
1213 |
} |
1214 |
|
1215 |
if((opts & 0x2) > 0){ |
1216 |
double d50 = bb.getDouble();
|
1217 |
} |
1218 |
|
1219 |
if((opts & 0x4) > 0){ |
1220 |
double d41 = bb.getDouble();
|
1221 |
} |
1222 |
|
1223 |
if((opts & 0x8) > 0){ |
1224 |
double d42 = bb.getDouble();
|
1225 |
} |
1226 |
|
1227 |
if((opts & 0x10) > 0){ |
1228 |
byte b7 = bb.get();
|
1229 |
} |
1230 |
|
1231 |
if((opts & 0x20) > 0){ |
1232 |
byte b71 = bb.get();
|
1233 |
} |
1234 |
|
1235 |
if((opts & 0x40) > 0){ |
1236 |
byte b72 = bb.get();
|
1237 |
} |
1238 |
|
1239 |
if((opts & 0x80) > 0){ |
1240 |
double[] p11 = getPoint(false); |
1241 |
} |
1242 |
|
1243 |
if((opts & 0x100) > 0){ |
1244 |
double[] p210 = getPoint(true); |
1245 |
} |
1246 |
|
1247 |
if((opts & 0x200) > 0){ |
1248 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1249 |
double d38 = bb.getDouble();
|
1250 |
} |
1251 |
} |
1252 |
} |
1253 |
|
1254 |
class AttribReader implements EntityReader{ |
1255 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1256 |
double[] p10 = getPoint(false); |
1257 |
|
1258 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1259 |
double d40 = bb.getDouble();
|
1260 |
|
1261 |
String s1 = getString();
|
1262 |
String s2 = getString();
|
1263 |
|
1264 |
if((opts & 0x1) > 0){ |
1265 |
byte b73 = bb.get();
|
1266 |
} |
1267 |
|
1268 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1269 |
if((opts & 0x2) > 0){ |
1270 |
double d50 = bb.getDouble();
|
1271 |
} |
1272 |
|
1273 |
if((opts & 0x4) > 0){ |
1274 |
double d41 = bb.getDouble();
|
1275 |
} |
1276 |
|
1277 |
if((opts & 0x8) > 0){ |
1278 |
double d42 = bb.getDouble();
|
1279 |
} |
1280 |
|
1281 |
if((opts & 0x10) > 0){ |
1282 |
byte b7 = bb.get();
|
1283 |
} |
1284 |
|
1285 |
if((opts & 0x20) > 0){ |
1286 |
byte b71 = bb.get();
|
1287 |
} |
1288 |
|
1289 |
if((opts & 0x40) > 0){ |
1290 |
byte b72 = bb.get();
|
1291 |
} |
1292 |
|
1293 |
if((opts & 0x80) > 0){ |
1294 |
double[] p11 = getPoint(false); |
1295 |
} |
1296 |
double[] p210 = null; |
1297 |
if((opts & 0x100) > 0){ |
1298 |
p210 = getPoint(true);
|
1299 |
}else{
|
1300 |
p210 = new double[]{0, 0, 1}; |
1301 |
} |
1302 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1303 |
if((opts & 0x200) > 0){ |
1304 |
double d38 = bb.getDouble();
|
1305 |
} |
1306 |
} |
1307 |
} |
1308 |
|
1309 |
|
1310 |
class SbEndReader implements EntityReader{ |
1311 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1312 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1313 |
int l = bb.getInt();
|
1314 |
} |
1315 |
} |
1316 |
|
1317 |
class PlineReader extends DefferedEntityReader{ |
1318 |
|
1319 |
/*
|
1320 |
* CURVE TYPE CONSTANTS
|
1321 |
* */
|
1322 |
final static int CLOSED = 0x01;//if line is a mesh, curve closed in M direction |
1323 |
final static int CURVE_FIT = 0x02; |
1324 |
final static int SPLINE_FIT = 0x04; |
1325 |
final static int PLINE3D = 0x08; |
1326 |
final static int MESH = 0x10; |
1327 |
final static int MESH_CLOSED = 0x20;//curve closed in N direction |
1328 |
final static int ANY_MESH = 0x30; //MESH | MESH_CLOSED |
1329 |
final static int PFACE = 0x40; |
1330 |
final static int CONT_LTYPE = 0x80; |
1331 |
|
1332 |
/*
|
1333 |
* polyline attributes
|
1334 |
* */
|
1335 |
/**
|
1336 |
* flag: curve type (CLOSED, MESH,PFACE, etc.)
|
1337 |
* */
|
1338 |
byte flag70;
|
1339 |
/**
|
1340 |
* Number of points in M direction for a Mesh,
|
1341 |
* number of vertices for a PFace polyline
|
1342 |
* */
|
1343 |
byte meshM71;
|
1344 |
/**
|
1345 |
* Number of points in N direction for a Mesh,
|
1346 |
* number of faces for a PFace polyline
|
1347 |
* */
|
1348 |
byte meshN72;
|
1349 |
double startW40;
|
1350 |
byte smoothM73;
|
1351 |
byte smoothN74;
|
1352 |
byte curveType75;
|
1353 |
|
1354 |
|
1355 |
private void reset(){ |
1356 |
flag70 = 0;
|
1357 |
meshM71 = 0;
|
1358 |
meshN72 = 0;
|
1359 |
startW40 = 0;
|
1360 |
smoothM73 = 0;
|
1361 |
smoothN74 = 0;
|
1362 |
curveType75 = 0;
|
1363 |
} |
1364 |
|
1365 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1366 |
super.read(bb, flags, opts, dwgObj);
|
1367 |
|
1368 |
//TODO El byte 70 es el que determina el tipo de Polyline
|
1369 |
if( (opts & 0x1) > 0){ |
1370 |
flag70 = bb.get(); |
1371 |
} |
1372 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1373 |
if( (opts & 0x2) > 0){ |
1374 |
startW40 = bb.getDouble(); |
1375 |
} |
1376 |
|
1377 |
if( (opts & 0x4) > 0){ |
1378 |
meshM71 = bb.get(); |
1379 |
} |
1380 |
|
1381 |
if( (opts & 0x8) > 0){ |
1382 |
meshN72 = bb.get(); |
1383 |
} |
1384 |
|
1385 |
if( (opts & 0x10) > 0){ |
1386 |
smoothM73 = bb.get(); |
1387 |
} |
1388 |
|
1389 |
if( (opts & 0x20) > 0){ |
1390 |
smoothN74 = bb.get(); |
1391 |
} |
1392 |
|
1393 |
if( (opts & 0x40) > 0){ |
1394 |
curveType75 = bb.get(); |
1395 |
} |
1396 |
} |
1397 |
|
1398 |
DwgObject getDwgObject(int index) {
|
1399 |
DwgObject solution = null;
|
1400 |
boolean isSpline = (flag70 & SPLINE_FIT) != 0 ? true: false; |
1401 |
if( (flag70 & PFACE) != 0){ |
1402 |
//PFacePolyline
|
1403 |
solution = new DwgPFacePolyline(index);
|
1404 |
// often made wrong, so we have to correct...TODO Revisar
|
1405 |
if(meshM71 <= 0) |
1406 |
meshM71 = 16;
|
1407 |
if(meshN72 <= 0) |
1408 |
meshN72 = 4;
|
1409 |
((DwgPFacePolyline)solution).setVertexCount(meshM71); |
1410 |
((DwgPFacePolyline)solution).setFaceCount(meshN72); |
1411 |
}else if((flag70 & ANY_MESH) != 0){ |
1412 |
//Mesh, closed or not
|
1413 |
solution = new DwgMeshPolyline(index);
|
1414 |
boolean isClosedM = (flag70 & CLOSED) != 0 ? true: false; |
1415 |
boolean isClosedN = (flag70 & MESH_CLOSED) > 0 ? true: false; |
1416 |
|
1417 |
((DwgMeshPolyline)solution).setClosedM(isClosedM); |
1418 |
((DwgMeshPolyline)solution).setClosedN(isClosedN); |
1419 |
if(isSpline){
|
1420 |
((DwgMeshPolyline)solution).setMVerticies(smoothM73); |
1421 |
((DwgMeshPolyline)solution).setNVerticies(smoothN74); |
1422 |
}else{
|
1423 |
((DwgMeshPolyline)solution).setMVerticies(meshM71); |
1424 |
((DwgMeshPolyline)solution).setNVerticies(meshN72); |
1425 |
} |
1426 |
((DwgMeshPolyline)solution).setCurveType(curveType75); |
1427 |
}else{
|
1428 |
//polyline
|
1429 |
boolean is3DPolyline = (flag70 & PLINE3D) != 0 ? true: false; |
1430 |
if(is3DPolyline)
|
1431 |
{ |
1432 |
solution = new DwgPolyline3D(index);
|
1433 |
boolean isClosed = (flag70 & CLOSED) != 0 ? true: false; |
1434 |
//for compatibility with dwg 13 and later, we use a byte flag for
|
1435 |
//closed and spline properties
|
1436 |
((DwgPolyline3D)solution).setClosedFlags(isClosed ? 0x1: 0x0); |
1437 |
((DwgPolyline3D)solution).setSplineFlags(isSpline ? 0x1: 0x0); |
1438 |
|
1439 |
}else{
|
1440 |
solution = new DwgPolyline2D(index);
|
1441 |
((DwgPolyline2D)solution).setCurveType(curveType75); |
1442 |
((DwgPolyline2D)solution).setInitWidth(startW40); |
1443 |
} |
1444 |
} |
1445 |
|
1446 |
reset(); |
1447 |
|
1448 |
return solution;
|
1449 |
} |
1450 |
} |
1451 |
|
1452 |
class VertexReader extends DefferedEntityReader{ |
1453 |
final static int FIT_POINT = 0x01; |
1454 |
final static int TANGENT = 0x02; |
1455 |
final static int SPLINE_LINE_FIT = 0x08; |
1456 |
final static int SPLINE_CONTROL_POINT = 0x10; |
1457 |
final static int POLYLINE_3D = 0x20; |
1458 |
final static int MESH_3D = 0x40; |
1459 |
final static int PFACE_MESH = 0x80; |
1460 |
|
1461 |
/**
|
1462 |
* Coordinates of the vertex
|
1463 |
* */
|
1464 |
double[] pt10; |
1465 |
|
1466 |
/**
|
1467 |
* Start width of the vertex. If 0, it will
|
1468 |
* use the start with of the owner polyline.
|
1469 |
* */
|
1470 |
double startWidth40;
|
1471 |
/**
|
1472 |
* End width of the vertex. If 0, it will
|
1473 |
* use the end with of the owner polyline.
|
1474 |
* */
|
1475 |
double endWidth41;
|
1476 |
|
1477 |
/**
|
1478 |
* Bulge of the vertex
|
1479 |
* */
|
1480 |
double tangentDir50;
|
1481 |
|
1482 |
/**
|
1483 |
* Flag that maks what kind of vertex is:
|
1484 |
1 | Extra vertex created by curve-fitting |
|
1485 |
2 | Curve-fit tangent defined for this vertex. |
|
1486 |
| | A curve-fit tangent direction of 0 may be |
|
1487 |
| | omitted from the DXF output, but is |
|
1488 |
| | significant if this bit is set |
|
1489 |
|----------|---------------------------------------------|
|
1490 |
| 4 | Unused (never set in DXF files) |
|
1491 |
|----------|---------------------------------------------|
|
1492 |
| 8 | Spline vertex created by spline-fitting |
|
1493 |
|----------|---------------------------------------------|
|
1494 |
| 16 | Spline frame control point |
|
1495 |
|----------|---------------------------------------------|
|
1496 |
| 32 | 3D Polyline vertex |
|
1497 |
|----------|---------------------------------------------|
|
1498 |
| 64 | 3D polygon mesh vertex |
|
1499 |
|----------|---------------------------------------------|
|
1500 |
| 128 | Polyface mesh vertex |
|
1501 |
+--------------------------------------------------------+
|
1502 |
* */
|
1503 |
byte vertexFlag70;
|
1504 |
|
1505 |
/**
|
1506 |
* If the vertex is a pfaceface vertex it hasnt real coordinates.
|
1507 |
* Instead it has an index for each vertex of the mesh's face
|
1508 |
* */
|
1509 |
int[] pfacefaceIndex; |
1510 |
|
1511 |
void reset(){
|
1512 |
pt10 = null;
|
1513 |
startWidth40 = 0;
|
1514 |
endWidth41 = 0;
|
1515 |
tangentDir50 = 0;
|
1516 |
vertexFlag70 = 0;
|
1517 |
pfacefaceIndex = null;
|
1518 |
|
1519 |
} |
1520 |
|
1521 |
/*
|
1522 |
* azabala
|
1523 |
* Nos estabamos encontrando con vertices muy raros
|
1524 |
* (e incluso con valores NaN) cuando el valor de opts
|
1525 |
* es 16872, si seguiamos al pie de la letra la especificaci?n
|
1526 |
* de http://www.iwriteiam.nl/DWG12.html o Pythoncad.
|
1527 |
*
|
1528 |
* Haciendo un poco de ingenieria inversa hemos visto que
|
1529 |
* si opts==16872, hay que modificar el algoritmo
|
1530 |
* */
|
1531 |
|
1532 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1533 |
super.read(bb, flags, opts, dwgObj);
|
1534 |
if(opts != 16872){ |
1535 |
int position = bb.position();
|
1536 |
pt10 = getPoint(false);
|
1537 |
if(pt10[0] < 0 || pt10[0] < 600000 || pt10[0] > 800000){ |
1538 |
System.currentTimeMillis();
|
1539 |
} |
1540 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1541 |
if((opts & 0x1) > 0){ |
1542 |
startWidth40 = bb.getDouble(); |
1543 |
} |
1544 |
if((opts & 0x2) > 0){ |
1545 |
endWidth41 = bb.getDouble(); |
1546 |
} |
1547 |
if((opts & 0x4) > 0){ |
1548 |
tangentDir50 = bb.getDouble(); |
1549 |
} |
1550 |
if((opts & 0x8) > 0){ |
1551 |
vertexFlag70 = bb.get(); |
1552 |
} |
1553 |
}else{
|
1554 |
//if opts == 16872 (decimal) we invert the
|
1555 |
//order of the reading
|
1556 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1557 |
if((opts & 0x1) > 0){ |
1558 |
startWidth40 = bb.getDouble(); |
1559 |
} |
1560 |
if((opts & 0x2) > 0){ |
1561 |
endWidth41 = bb.getDouble(); |
1562 |
} |
1563 |
if((opts & 0x4) > 0){ |
1564 |
tangentDir50 = bb.getDouble(); |
1565 |
} |
1566 |
if((opts & 0x8) > 0){ |
1567 |
vertexFlag70 = bb.get(); |
1568 |
} |
1569 |
int p1 = bb.getShort();
|
1570 |
int p2 = bb.getShort();
|
1571 |
int p3 = bb.getShort();
|
1572 |
int p4 = bb.getShort();
|
1573 |
|
1574 |
pfacefaceIndex = new int[]{p1,p2,p3,p4}; |
1575 |
} |
1576 |
|
1577 |
|
1578 |
|
1579 |
} |
1580 |
|
1581 |
DwgObject getDwgObject(int index) {
|
1582 |
DwgObject solution = null;
|
1583 |
if( (vertexFlag70 & PFACE_MESH) != 0){ |
1584 |
//It is a PFace Mesh Vertex
|
1585 |
if( (vertexFlag70 & MESH_3D) != 0){ |
1586 |
solution = new DwgVertexPFace(index);
|
1587 |
((DwgVertexPFace)solution).setPoint(pt10); |
1588 |
((DwgVertexPFace)solution).setFlags(vertexFlag70); |
1589 |
}else{
|
1590 |
/*
|
1591 |
azabala
|
1592 |
DXF 12 spec says:
|
1593 |
"If the Vertex defines a face of the mesh,
|
1594 |
its Vertex flags (70) group has the 128 bit
|
1595 |
set but not the 64 bit. The 10,
|
1596 |
20, and 30 (location) groups of the face entity are
|
1597 |
irrelevant and are always written as zero in a DXF file.
|
1598 |
The vertex indexes that define the mesh are given by 71,
|
1599 |
72, 73, and 74 groups, the values of which are integers
|
1600 |
specifying one of the previously defined vertices by
|
1601 |
index.
|
1602 |
If the index is negative, the edge that begins with
|
1603 |
that vertex is invisible.
|
1604 |
|
1605 |
The first zero vertex marks the
|
1606 |
end of the vertices of the face.
|
1607 |
|
1608 |
Since the 71 through 74
|
1609 |
groups are optional fields with default values of zero,
|
1610 |
they are present in DXF only if nonzero."
|
1611 |
|
1612 |
But DWG 12 spec doesnt say anything about 71,72,73 and
|
1613 |
74 fields for VERTEX.
|
1614 |
* */
|
1615 |
solution = new DwgVertexPFaceFace(index);
|
1616 |
((DwgVertexPFaceFace)solution).setVerticesidx(pfacefaceIndex); |
1617 |
} |
1618 |
}else if( (vertexFlag70 & POLYLINE_3D) != 0){ |
1619 |
solution = new DwgVertex3D(index);
|
1620 |
((DwgVertex3D)solution).setPoint(pt10); |
1621 |
((DwgVertex3D)solution).setFlags(vertexFlag70); |
1622 |
}else{
|
1623 |
solution = new DwgVertex2D(index);
|
1624 |
((DwgVertex2D)solution).setPoint(pt10); |
1625 |
((DwgVertex2D)solution).setFlags(vertexFlag70); |
1626 |
} |
1627 |
|
1628 |
reset(); |
1629 |
return solution;
|
1630 |
} |
1631 |
} |
1632 |
|
1633 |
class Face3DReader implements EntityReader{ |
1634 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1635 |
boolean zflag = false; |
1636 |
if((flags & 0x4) > 0){ |
1637 |
zflag = true;
|
1638 |
} |
1639 |
double[] pt10 = getPoint(zflag); |
1640 |
double[] pt11 = getPoint(zflag); |
1641 |
double[] pt12 = getPoint(zflag); |
1642 |
double[] pt13 = getPoint(zflag); |
1643 |
|
1644 |
} |
1645 |
} |
1646 |
|
1647 |
class DimReader implements EntityReader{ |
1648 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1649 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1650 |
short w1 = bb.getShort();
|
1651 |
double[] pt10 = getPoint(true); |
1652 |
double[] pt11 = getPoint(false); |
1653 |
|
1654 |
if((opts & 0x2) > 0){ |
1655 |
byte b70 = bb.get();
|
1656 |
} |
1657 |
|
1658 |
if((opts & 0x1) > 0){ |
1659 |
double[] pt12 = getPoint(true); |
1660 |
} |
1661 |
|
1662 |
if((opts & 0x4) > 0){ |
1663 |
String s1 = getString();
|
1664 |
} |
1665 |
|
1666 |
if((opts & 0x8) > 0){ |
1667 |
double[] pt13 = getPoint(true); |
1668 |
} |
1669 |
|
1670 |
if((opts & 0x10) > 0){ |
1671 |
double[] pt13 = getPoint(true); |
1672 |
} |
1673 |
|
1674 |
if((opts & 0x20) > 0){ |
1675 |
double[] pt15 = getPoint(true); |
1676 |
} |
1677 |
|
1678 |
if((opts & 0x40) > 0){ |
1679 |
double[] pt16 = getPoint(true); |
1680 |
} |
1681 |
|
1682 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1683 |
if((opts & 0x80) > 0){ |
1684 |
double d40 = bb.getDouble();
|
1685 |
} |
1686 |
|
1687 |
if((opts & 0x100) > 0){ |
1688 |
double d50 = bb.getDouble();
|
1689 |
} |
1690 |
|
1691 |
if((opts & 0x200) > 0){ |
1692 |
double d51 = bb.getDouble();
|
1693 |
} |
1694 |
if((opts & 0x400) > 0){ |
1695 |
double d52 = bb.getDouble();
|
1696 |
} |
1697 |
if((opts & 0x800) > 0){ |
1698 |
double d53 = bb.getDouble();
|
1699 |
} |
1700 |
} |
1701 |
} |
1702 |
|
1703 |
class VPortReader implements EntityReader{ |
1704 |
public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
1705 |
double[] pt10 = getPoint(true); |
1706 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1707 |
double d40 = bb.getDouble();
|
1708 |
double d41 = bb.getDouble();
|
1709 |
short w68 = bb.getShort();
|
1710 |
} |
1711 |
} |
1712 |
|
1713 |
/**
|
1714 |
* @param start
|
1715 |
* @param end
|
1716 |
*/
|
1717 |
private void readEntities(int start, int end) { |
1718 |
bb.position(start); |
1719 |
int ant = bb.position();
|
1720 |
int emax = readers.size();
|
1721 |
EntityReader reader = null;
|
1722 |
|
1723 |
/*
|
1724 |
* it isnt null until well finish to read the vertices
|
1725 |
* of a given polyline (seqend found)
|
1726 |
*
|
1727 |
*/
|
1728 |
IDwgPolyline currentPolyline = null;
|
1729 |
|
1730 |
/*
|
1731 |
* Not null when a DwgBlock is found, it will be null
|
1732 |
* when a DwgEndBlk found. While this, all entities readed
|
1733 |
* will be added to currentBlock
|
1734 |
* */
|
1735 |
DwgBlockHeader currentBlock = null;
|
1736 |
|
1737 |
while(ant < (end - 32)){ |
1738 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
1739 |
|
1740 |
byte kind = bb.get();
|
1741 |
if(kind < emax){
|
1742 |
reader = (EntityReader) readers.get(kind); |
1743 |
}//if
|
1744 |
|
1745 |
|
1746 |
//PROPERTIES COMMON TO ALL DWG 12 ENTITIES
|
1747 |
byte flag = bb.get();
|
1748 |
short lenght = bb.getShort();
|
1749 |
|
1750 |
//segun esto los dos ultimos bytes son el CRC
|
1751 |
int crcpos = ant + (lenght - 2); |
1752 |
|
1753 |
|
1754 |
short layer = bb.getShort();
|
1755 |
short opts = bb.getShort();
|
1756 |
|
1757 |
byte color = 0; |
1758 |
if ((flag & 0x1) > 0){ |
1759 |
color = bb.get(); |
1760 |
} |
1761 |
|
1762 |
byte extra = 0; |
1763 |
if ((flag & 0x40) > 0) |
1764 |
extra = bb.get(); |
1765 |
|
1766 |
|
1767 |
String xdata = null; |
1768 |
if((extra & 0x2) > 0) |
1769 |
xdata = readXdata(); |
1770 |
|
1771 |
|
1772 |
short type = 0; |
1773 |
if((flag & 0x2) > 0) |
1774 |
type = bb.getShort(); |
1775 |
|
1776 |
|
1777 |
double z = 0d; |
1778 |
if( (flag & 0x4) > 0 && (kind > 2) && (kind != 22)){ |
1779 |
z = bb.getDouble(); |
1780 |
} |
1781 |
|
1782 |
double th = 0d; |
1783 |
if((flag & 0x8) > 0){ |
1784 |
th = bb.getDouble(); |
1785 |
} |
1786 |
|
1787 |
byte[] handle = null; |
1788 |
if((flag & 0x20) > 0) |
1789 |
handle = getHandle(); |
1790 |
|
1791 |
short paper = 0; |
1792 |
if((extra & 0x4) > 0){ |
1793 |
paper = bb.getShort(); |
1794 |
} |
1795 |
|
1796 |
if(reader != null){ |
1797 |
DwgObject entity = null;
|
1798 |
|
1799 |
entity = DwgObjectFactory. |
1800 |
getInstance(). |
1801 |
create(kind, index); |
1802 |
|
1803 |
//TODO Idem con el espacio papel o el espacio modelo
|
1804 |
boolean paperSpace = false; |
1805 |
if(paper != 0){ |
1806 |
paperSpace = true;
|
1807 |
} |
1808 |
reader.read(bb, flag, opts, entity); |
1809 |
if(reader instanceof DefferedEntityReader){ |
1810 |
entity = ((DefferedEntityReader)reader).getDwgObject(index); |
1811 |
} |
1812 |
|
1813 |
if(entity instanceof IDwgPolyline){ |
1814 |
currentPolyline = (IDwgPolyline) entity; |
1815 |
} |
1816 |
else if(entity instanceof DwgSeqend){ |
1817 |
currentPolyline = null;
|
1818 |
}else if(entity instanceof DwgBlockHeader){ |
1819 |
currentBlock = (DwgBlockHeader) entity; |
1820 |
}else if(entity instanceof DwgEndblk){ |
1821 |
currentBlock = null;
|
1822 |
} |
1823 |
|
1824 |
DwgHandleReference hdl = null;
|
1825 |
/*
|
1826 |
In V12 format a handle has 2 bytes, while
|
1827 |
in later formats a hande has 4 bytes. To avoid
|
1828 |
rewriting a lot of code we are going to do some "tricks"
|
1829 |
with handles.
|
1830 |
*/
|
1831 |
if(entity instanceof DwgBlockHeader){ |
1832 |
/*
|
1833 |
* If entity is a block, in a later step we'll match
|
1834 |
* an insert with its block by handle.
|
1835 |
* In dwg 12 format, association insert-blocks is not
|
1836 |
* by handle (is from the order of the block in block table)
|
1837 |
* So here we use a little trick to avoid rewriting of
|
1838 |
* block and inserts management logic.
|
1839 |
* */
|
1840 |
int order = -1; |
1841 |
DwgBlockHeader blk = (DwgBlockHeader) entity; |
1842 |
String blockName = blk.getName();
|
1843 |
Block block = getBlock(blockName); |
1844 |
if(block != null){ |
1845 |
order = blocks.indexOf(block); |
1846 |
hdl = new DwgHandleReference(0, order); |
1847 |
}else{
|
1848 |
System.out.println("BLOQUE "+blockName+" NO EST? EN LA TABLA DE BLOQUES"); |
1849 |
bb.position(crcpos); |
1850 |
short crc = bb.getShort();
|
1851 |
continue;
|
1852 |
} |
1853 |
}else{
|
1854 |
if(handle != null){ |
1855 |
int offset = handle.hashCode();
|
1856 |
hdl = new DwgHandleReference(0, offset); |
1857 |
}else{
|
1858 |
System.out.println("HANDLE A NULL"); |
1859 |
bb.position(crcpos); |
1860 |
short crc = bb.getShort();
|
1861 |
continue;
|
1862 |
} |
1863 |
} |
1864 |
|
1865 |
entity.setColor(color); |
1866 |
entity.setType(type);//TODO Este type es el mismo que para DWG 13-14-2000?
|
1867 |
entity.setSizeInBits(lenght);//TODO Este size es el mismo que para DWG 13-14-2000?
|
1868 |
entity.setHandle(hdl); |
1869 |
/*
|
1870 |
* TODO
|
1871 |
* Parece ser que DWG 12 no gestiona las layers al igual que las
|
1872 |
* versiones sucesivas (hay que descifrar si 'layer' significa
|
1873 |
* un orden en la tabla de layers
|
1874 |
*
|
1875 |
* De ser as?, y si indexamos las layers de esta forma
|
1876 |
* (con un HandleReference de code 0x5) ser? todo homogeneo
|
1877 |
*
|
1878 |
* TODO Construir instancias de DwgLayer a partir de las entradas
|
1879 |
* de la tabla de layers, e indexarlas con un handle igual a su orden
|
1880 |
* */
|
1881 |
|
1882 |
entity.setLayerHandle(new DwgHandleReference(0x5, layer)); |
1883 |
|
1884 |
//TODO El valor de elevation en 12 es comun a todas, en 13 y ulteriores
|
1885 |
//no. ver que se hace
|
1886 |
// entity.setZ(z);
|
1887 |
|
1888 |
List xdataAsList = new ArrayList(); |
1889 |
xdataAsList.add(xdata); |
1890 |
entity.setExtendedData(xdataAsList); |
1891 |
|
1892 |
//TODO con thickness tenemos el mismo problema que con
|
1893 |
//elevation. En dwg 12 es comun a todos
|
1894 |
// entity.setThickness(th);
|
1895 |
|
1896 |
ant = bb.position(); |
1897 |
// if(ant < crcpos){
|
1898 |
if(ant != crcpos){
|
1899 |
bb.position(bb.position() + (crcpos - ant)); |
1900 |
} |
1901 |
short crc = bb.getShort();
|
1902 |
|
1903 |
if( (entity instanceof IDwgVertex) && (currentPolyline != null)){ |
1904 |
currentPolyline.addVertex((IDwgVertex) entity); |
1905 |
|
1906 |
}else if( (entity instanceof IDwgBlockMember) && |
1907 |
!(entity instanceof IDwgVertex) &&
|
1908 |
(currentBlock != null)){
|
1909 |
//In DWG 12 vertex is not part of Block.
|
1910 |
//its part of a polyline (which is part of a block)
|
1911 |
currentBlock.addObject(entity); |
1912 |
} else{
|
1913 |
// if(! paperSpace)//TODO solo a?adimos las entidades en espacio modelo????
|
1914 |
dwgFile.addDwgObject(entity); |
1915 |
} |
1916 |
}//if reader
|
1917 |
else{
|
1918 |
System.out.println("Reader a NULL. DWG 12 MAL LEIDO"); |
1919 |
System.out.println("kind = " + kind); |
1920 |
bb.position(crcpos); |
1921 |
short crc = bb.getShort();
|
1922 |
continue;
|
1923 |
|
1924 |
} |
1925 |
ant = bb.position(); |
1926 |
// byte[] crc32 = new byte[32];
|
1927 |
// bb.get(crc32);
|
1928 |
index++; |
1929 |
}//while
|
1930 |
byte[] crc32 = new byte[32];//TODO va dentro o fuera del while?? |
1931 |
bb.get(crc32); |
1932 |
} |
1933 |
|
1934 |
|
1935 |
/**
|
1936 |
* @return
|
1937 |
*/
|
1938 |
private byte[] getHandle() { |
1939 |
byte[] bytes = null; |
1940 |
bb.order(ByteOrder.nativeOrder());
|
1941 |
byte len = bb.get();
|
1942 |
bytes = new byte[len]; |
1943 |
bb.get(bytes); |
1944 |
return bytes;
|
1945 |
//Ver si los handles de DWG 12 concurdan con nuestra clase
|
1946 |
//DwgHandleReference
|
1947 |
// return (5, _len) + tuple(_bytes)
|
1948 |
} |
1949 |
|
1950 |
|
1951 |
|
1952 |
/**
|
1953 |
* @return
|
1954 |
*/
|
1955 |
private String readXdata() { |
1956 |
String extData = ""; |
1957 |
short xlen = bb.getShort();
|
1958 |
while (xlen > 0){ |
1959 |
byte xval = bb.get();
|
1960 |
xlen--; |
1961 |
if(xval == 0){ |
1962 |
if(xlen < 1) |
1963 |
break;
|
1964 |
byte val = bb.get();
|
1965 |
xlen--; |
1966 |
if(r13){
|
1967 |
if(xlen < 1) |
1968 |
break;
|
1969 |
byte codePage = bb.get();
|
1970 |
xlen--; |
1971 |
}//if r13
|
1972 |
if(xlen < val)
|
1973 |
break;
|
1974 |
byte[] strByte = new byte[val]; |
1975 |
bb.get(strByte); |
1976 |
xlen -= val; |
1977 |
extData += new String(strByte); |
1978 |
}//if xval == 0
|
1979 |
else if(xval == 1 || xval == 3 || xval == 70){ |
1980 |
if(xlen < 2) |
1981 |
break;
|
1982 |
short val = bb.getShort();
|
1983 |
extData += val; |
1984 |
xlen += 2;
|
1985 |
}else if(xval == 2){ |
1986 |
if(xlen < 1) |
1987 |
break;
|
1988 |
byte val = bb.get();
|
1989 |
if(val == 0) |
1990 |
extData += "{";
|
1991 |
else if(val == 1) |
1992 |
extData += "}";
|
1993 |
else
|
1994 |
System.out.println("Byte no esperado:"+val); |
1995 |
}else if(xval == 5){ |
1996 |
if(xlen < 8) |
1997 |
break;
|
1998 |
long val = bb.getLong();
|
1999 |
//probably it is an entity handle
|
2000 |
xlen -= 8;
|
2001 |
}else if (xval == 40 || xval == 41 || xval == 42){ |
2002 |
if (xlen < 8) |
2003 |
break;
|
2004 |
double val = bb.getDouble();
|
2005 |
xlen -= 8;
|
2006 |
extData += val; |
2007 |
|
2008 |
}else if (xval == 10 || xval == 11 || xval == 12 || xval == 13){ |
2009 |
//13 not in R12 spec, is in R13/R14
|
2010 |
if(xlen < 24) |
2011 |
break;
|
2012 |
Object point = getPoint(true); |
2013 |
extData += point.toString(); |
2014 |
xlen -= 24;
|
2015 |
}else if(xval == 71){ |
2016 |
if (xlen < 4) |
2017 |
break;
|
2018 |
int val = bb.getInt();
|
2019 |
extData += val; |
2020 |
xlen -= 4;
|
2021 |
}else
|
2022 |
xlen = 0;
|
2023 |
return extData;
|
2024 |
} |
2025 |
/*
|
2026 |
|
2027 |
|
2028 |
|
2029 |
elif _xval == 71:
|
2030 |
if _xlen < 4: break
|
2031 |
_val = struct.unpack('<l', handle.read(4))[0]
|
2032 |
_data.append(_val)
|
2033 |
_xlen = _xlen - 4
|
2034 |
else:
|
2035 |
_xlen = 0
|
2036 |
return _data
|
2037 |
* */
|
2038 |
return null; |
2039 |
} |
2040 |
|
2041 |
|
2042 |
|
2043 |
/**
|
2044 |
* @param b
|
2045 |
* @return
|
2046 |
*/
|
2047 |
private double[] getPoint(boolean b) { |
2048 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2049 |
double x = bb.getDouble();
|
2050 |
double y = bb.getDouble();
|
2051 |
double z = 0d; |
2052 |
if(b){
|
2053 |
z = bb.getDouble(); |
2054 |
} |
2055 |
return new double[]{x, y, z}; |
2056 |
} |
2057 |
|
2058 |
|
2059 |
|
2060 |
//TODO Que se hacen con los registros que se leen???
|
2061 |
private void readBlockTable(Dwg12Table blockTable) { |
2062 |
short size = blockTable.s1;
|
2063 |
int numRecords = blockTable.i1;
|
2064 |
int start = blockTable.i2;
|
2065 |
|
2066 |
int begin = -1; |
2067 |
int end = -1; |
2068 |
|
2069 |
for(int i = 0; i < numRecords; i++){ |
2070 |
|
2071 |
begin = start + i * size; |
2072 |
bb.position(begin); |
2073 |
|
2074 |
end = begin + size - 2;
|
2075 |
|
2076 |
byte flag = bb.get();
|
2077 |
byte[] nameByte = new byte[32]; |
2078 |
bb.get(nameByte); |
2079 |
String name = new String(nameByte).trim(); |
2080 |
|
2081 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2082 |
|
2083 |
short used = bb.getShort();
|
2084 |
byte b1 = bb.get();
|
2085 |
short w1 = bb.getShort();
|
2086 |
byte b2 = bb.get();
|
2087 |
|
2088 |
short w3 = bb.getShort();
|
2089 |
short crc = bb.getShort();
|
2090 |
|
2091 |
int offset = end - bb.position();
|
2092 |
if(offset > 0) |
2093 |
bb.position(bb.position() + end); |
2094 |
|
2095 |
Block block = new Block();
|
2096 |
block.flag = flag; |
2097 |
block.name = name; |
2098 |
block.used = used; |
2099 |
block.b1 = b1; |
2100 |
block.w1 = w1; |
2101 |
block.b2 = b2; |
2102 |
block.w3 = w3; |
2103 |
block.crc = crc; |
2104 |
blocks.add(block); |
2105 |
}//for
|
2106 |
byte[] crc32 = new byte[32]; |
2107 |
bb.get(crc32); |
2108 |
} |
2109 |
|
2110 |
public void readHeader(){ |
2111 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2112 |
short w1 = bb.getShort();
|
2113 |
double[] inBase = getPoint(true); |
2114 |
double[] extMin = getPoint(true); |
2115 |
dwgFile.setHeader("MSPACE_EXTMIN", extMin);
|
2116 |
double[] extMax = getPoint(true); |
2117 |
dwgFile.setHeader("MSPACE_EXTMAX", extMax);
|
2118 |
double[] limMin = getPoint(false); |
2119 |
double[] limMax = getPoint(false); |
2120 |
|
2121 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2122 |
double vcx = bb.getDouble();
|
2123 |
double vcy = bb.getDouble();
|
2124 |
double d3 = bb.getDouble();
|
2125 |
double d4 = bb.getDouble();
|
2126 |
|
2127 |
byte b1 = bb.get();
|
2128 |
byte b2 = bb.get();
|
2129 |
|
2130 |
double sx = bb.getDouble();
|
2131 |
double sy = bb.getDouble();
|
2132 |
|
2133 |
bb.order(ByteOrder.nativeOrder());
|
2134 |
byte[] b56 = new byte[56]; |
2135 |
bb.get(b56); |
2136 |
|
2137 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2138 |
double d7 = bb.getDouble();
|
2139 |
double d8 = bb.getDouble();
|
2140 |
double d9 = bb.getDouble();
|
2141 |
|
2142 |
bb.order(ByteOrder.nativeOrder());
|
2143 |
byte[] b18 = new byte[18]; |
2144 |
bb.get(b18); |
2145 |
|
2146 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2147 |
double d10 = bb.getDouble();
|
2148 |
|
2149 |
int at = bb.position();
|
2150 |
|
2151 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2152 |
short w2 = bb.getShort();
|
2153 |
short w3 = bb.getShort();
|
2154 |
|
2155 |
bb.order(ByteOrder.nativeOrder());
|
2156 |
byte[] b44 = new byte[44]; |
2157 |
bb.get(b44); |
2158 |
|
2159 |
at = bb.position(); |
2160 |
|
2161 |
bb.order(ByteOrder.nativeOrder());
|
2162 |
byte[] b354 = new byte[354]; |
2163 |
bb.get(b354); |
2164 |
|
2165 |
if( (b354[0] == 0x61) && (b354[1] == 0x63) && (b354[2] == 0x61 ) && (b354[2] == 0x64 )) |
2166 |
System.out.println("Encontrada la cadena 'acad' al comienzo del bloque de 354 bytes"); |
2167 |
|
2168 |
bb.position(0x3ef);
|
2169 |
} |
2170 |
|
2171 |
class Dwg12Table{ |
2172 |
short s1;
|
2173 |
int i1;
|
2174 |
int i2;
|
2175 |
} |
2176 |
|
2177 |
public Dwg12Table getTable(){
|
2178 |
|
2179 |
Dwg12Table solution = null;
|
2180 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2181 |
|
2182 |
short s1 = bb.getShort();
|
2183 |
int i1 = bb.getInt();
|
2184 |
int i2 = bb.getInt();
|
2185 |
|
2186 |
solution = new Dwg12Table();
|
2187 |
solution.s1 = s1; |
2188 |
solution.i1 = i1; |
2189 |
solution.i2 = i2; |
2190 |
return solution;
|
2191 |
} |
2192 |
|
2193 |
|
2194 |
class Dwg12TableTest{ |
2195 |
short s1, s2, s3;
|
2196 |
int i1;
|
2197 |
} |
2198 |
public Dwg12TableTest getTableTest(){
|
2199 |
Dwg12TableTest solution = null;
|
2200 |
|
2201 |
|
2202 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
2203 |
short s1 = bb.getShort();
|
2204 |
short s2 = bb.getShort();
|
2205 |
short s3 = bb.getShort();
|
2206 |
int i1 = bb.getInt();
|
2207 |
|
2208 |
solution = new Dwg12TableTest();
|
2209 |
solution.s1 = s1; |
2210 |
solution.s2 = s2; |
2211 |
solution.s3 = s3; |
2212 |
solution.i1 = i1; |
2213 |
|
2214 |
return solution;
|
2215 |
} |
2216 |
|
2217 |
/* (non-Javadoc)
|
2218 |
* @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#readObjectHeader(int[], int, com.iver.cit.jdwglib.dwg.DwgObject)
|
2219 |
*/
|
2220 |
public int readObjectHeader(int[] data, int offset, DwgObject dwgObject) throws RuntimeException, CorruptedDwgEntityException { |
2221 |
return 0; |
2222 |
} |
2223 |
|
2224 |
/* (non-Javadoc)
|
2225 |
* @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#readObjectTailer(int[], int, com.iver.cit.jdwglib.dwg.DwgObject)
|
2226 |
*/
|
2227 |
public int readObjectTailer(int[] data, int offset, DwgObject dwgObject) throws RuntimeException, CorruptedDwgEntityException { |
2228 |
return 0; |
2229 |
} |
2230 |
|
2231 |
} |