root / trunk / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / readers / DwgFileV12Reader.java @ 10585
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| 1 | 10289 | azabala | /*
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| 2 | * Created on 09-ene-2007
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| 3 | *
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| 4 | * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 5 | *
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| 6 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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| 7 | *
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| 8 | * This program is free software; you can redistribute it and/or
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| 9 | * modify it under the terms of the GNU General Public License
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| 10 | * as published by the Free Software Foundation; either version 2
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| 11 | * of the License, or (at your option) any later version.
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| 12 | *
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| 13 | * This program is distributed in the hope that it will be useful,
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | * GNU General Public License for more details.
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| 17 | *
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| 18 | * You should have received a copy of the GNU General Public License
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| 19 | * along with this program; if not, write to the Free Software
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| 20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 21 | *
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| 22 | * For more information, contact:
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| 23 | *
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| 24 | * Generalitat Valenciana
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| 25 | * Conselleria d'Infraestructures i Transport
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| 26 | * Av. Blasco Ib??ez, 50
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| 27 | * 46010 VALENCIA
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| 28 | * SPAIN
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| 29 | *
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| 30 | * +34 963862235
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| 31 | * gvsig@gva.es
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| 32 | * www.gvsig.gva.es
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| 33 | *
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| 34 | * or
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| 35 | *
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| 36 | * IVER T.I. S.A
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| 37 | * Salamanca 50
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| 38 | * 46005 Valencia
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| 39 | * Spain
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| 40 | *
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| 41 | * +34 963163400
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| 42 | * dac@iver.es
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| 43 | */
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| 44 | package com.iver.cit.jdwglib.dwg.readers; |
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| 45 | |||
| 46 | 10481 | azabala | import java.awt.geom.Point2D; |
| 47 | 10289 | azabala | import java.io.IOException; |
| 48 | import java.nio.ByteBuffer; |
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| 49 | import java.nio.ByteOrder; |
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| 50 | 10421 | azabala | import java.util.ArrayList; |
| 51 | 10481 | azabala | import java.util.List; |
| 52 | 10289 | azabala | |
| 53 | import com.iver.cit.jdwglib.dwg.CorruptedDwgEntityException; |
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| 54 | import com.iver.cit.jdwglib.dwg.DwgFile; |
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| 55 | 10481 | azabala | import com.iver.cit.jdwglib.dwg.DwgHandleReference; |
| 56 | 10289 | azabala | import com.iver.cit.jdwglib.dwg.DwgObject; |
| 57 | 10481 | azabala | import com.iver.cit.jdwglib.dwg.DwgObjectFactory; |
| 58 | import com.iver.cit.jdwglib.dwg.DwgUtil; |
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| 59 | import com.iver.cit.jdwglib.dwg.objects.DwgArc; |
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| 60 | import com.iver.cit.jdwglib.dwg.objects.DwgBlockHeader; |
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| 61 | import com.iver.cit.jdwglib.dwg.objects.DwgCircle; |
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| 62 | import com.iver.cit.jdwglib.dwg.objects.DwgInsert; |
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| 63 | 10515 | azabala | import com.iver.cit.jdwglib.dwg.objects.DwgLayer; |
| 64 | 10481 | azabala | import com.iver.cit.jdwglib.dwg.objects.DwgLine; |
| 65 | import com.iver.cit.jdwglib.dwg.objects.DwgPoint; |
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| 66 | import com.iver.cit.jdwglib.dwg.objects.DwgSolid; |
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| 67 | import com.iver.cit.jdwglib.dwg.objects.DwgText; |
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| 68 | 10515 | azabala | import com.iver.cit.jdwglib.util.ByteUtils; |
| 69 | 10289 | azabala | |
| 70 | /**
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| 71 | 10481 | azabala | * Reads version 12 dwg files.
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| 72 | 10289 | azabala | *
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| 73 | 10481 | azabala | * DWG 13 and DWG 12 are very different formats (nor do DWG 13-14 and 2000).
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| 74 | * Thats the reason why this IDwgFileReader is very different from the rest.
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| 75 | *
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| 76 | 10537 | azabala | * Documentation of reverse engineering of the format:
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| 77 | * http://www.iwriteiam.nl/DWG12.html
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| 78 | 10435 | azabala | *
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| 79 | 10289 | azabala | * @author azabala
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| 80 | 10421 | azabala | *
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| 81 | 10289 | azabala | */
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| 82 | public class DwgFileV12Reader implements IDwgFileReader{ |
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| 83 | |||
| 84 | private DwgFile dwgFile;
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| 85 | private ByteBuffer bb; |
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| 86 | 10421 | azabala | ArrayList readers = new ArrayList(); |
| 87 | /*
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| 88 | * En Python:
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| 89 | * if _version != 'AC1009':
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| 90 | if _version == 'AC1010':
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| 91 | r13 = True
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| 92 | else:
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| 93 | print "unknown version"
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| 94 | *
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| 95 | * */
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| 96 | private boolean r13 = false; |
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| 97 | 10515 | azabala | int index = 0; |
| 98 | 10421 | azabala | |
| 99 | |||
| 100 | public DwgFileV12Reader(boolean isR13){ |
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| 101 | r13 = isR13; |
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| 102 | readers.add(null);
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| 103 | readers.add(new LineReader());
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| 104 | readers.add(new PointReader());
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| 105 | readers.add(new CircleReader());
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| 106 | readers.add(new ShapeReader());
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| 107 | readers.add(null);
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| 108 | readers.add(null);
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| 109 | readers.add(new TextReader());
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| 110 | readers.add(new ArcReader());
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| 111 | readers.add(new TraceReader());
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| 112 | readers.add(null);
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| 113 | readers.add(null);
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| 114 | readers.add(new SolidReader());
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| 115 | readers.add(new BlkReader());
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| 116 | readers.add(new EndBlkReader());
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| 117 | readers.add(new InsertReader());
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| 118 | readers.add(new AttDefReader());
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| 119 | readers.add(new AttribReader());
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| 120 | readers.add(new SbEndReader());
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| 121 | readers.add(null);
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| 122 | readers.add(new PlineReader());
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| 123 | readers.add(new VertexReader());
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| 124 | readers.add(null);
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| 125 | readers.add(new Face3DReader());
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| 126 | readers.add(new DimReader());
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| 127 | readers.add(new VPortReader());
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| 128 | } |
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| 129 | |||
| 130 | |||
| 131 | 10289 | azabala | |
| 132 | /* (non-Javadoc)
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| 133 | * @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#read(com.iver.cit.jdwglib.dwg.DwgFile, java.nio.ByteBuffer)
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| 134 | */
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| 135 | public void read(DwgFile dwgFile, ByteBuffer bb) throws IOException { |
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| 136 | this.dwgFile = dwgFile;
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| 137 | this.bb = bb;
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| 138 | try {
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| 139 | 10515 | azabala | //// handle.seek(6, 1) # skip rest of version
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| 140 | // bb.position(12);
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| 141 | 10455 | azabala | // bb.position(bb.position() + 6);
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| 142 | 10515 | azabala | bb.position(0);
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| 143 | byte[] header = new byte[12]; |
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| 144 | bb.get(header); |
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| 145 | String headerStr = new String(header); |
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| 146 | System.out.println(headerStr);
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| 147 | 10289 | azabala | |
| 148 | // (_b1, _w1, _w2, _w3, _b2) = struct.unpack("<BhhhB", handle.read(8))
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| 149 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 150 | byte b1 = bb.get();
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| 151 | short w1 = bb.getShort();
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| 152 | short w2 = bb.getShort();
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| 153 | short w3 = bb.getShort();
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| 154 | byte b2 = bb.get();
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| 155 | |||
| 156 | |||
| 157 | //To translate Python to Java, we must see the number
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| 158 | //of bytes of the reading
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| 159 | |||
| 160 | // _estart, _eend = struct.unpack("<ll", handle.read(8))
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| 161 | 10515 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 162 | 10289 | azabala | int eStart = bb.getInt();
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| 163 | int eEnd = bb.getInt();
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| 164 | |||
| 165 | // _bsstart, _l1, _bsend, _l2 = struct.unpack("<llll", handle.read(16))
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| 166 | int bsStart = bb.getInt();
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| 167 | int l1 = bb.getInt();
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| 168 | |||
| 169 | int bsEnd = bb.getInt();
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| 170 | int l2 = bb.getInt();
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| 171 | |||
| 172 | Dwg12Table blockTable = getTable(); |
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| 173 | |||
| 174 | Dwg12Table layerTable = getTable(); |
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| 175 | |||
| 176 | Dwg12Table styleTable = getTable(); |
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| 177 | |||
| 178 | Dwg12Table lineTypeTable = getTable(); |
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| 179 | |||
| 180 | Dwg12Table viewTable = getTable(); |
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| 181 | |||
| 182 | readHeader(); |
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| 183 | |||
| 184 | Dwg12Table ucsTable = getTable(); |
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| 185 | |||
| 186 | bb.position(0x500);
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| 187 | |||
| 188 | Dwg12Table vportTable = getTable(); |
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| 189 | |||
| 190 | bb.position(bb.position() + 8);
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| 191 | |||
| 192 | Dwg12Table appidTable = getTable(); |
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| 193 | |||
| 194 | bb.position(bb.position() + 6);
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| 195 | |||
| 196 | Dwg12Table dimStyleTable = getTable(); |
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| 197 | 10537 | azabala | bb.position(0x69f);
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| 198 | |||
| 199 | 10289 | azabala | Dwg12Table p13table = getTable(); |
| 200 | |||
| 201 | bb.position(bb.position() + 38);
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| 202 | |||
| 203 | int currentPosition = bb.position();
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| 204 | 10537 | azabala | if(currentPosition != eStart){
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| 205 | //Se supone que deber?amos estar en eStart
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| 206 | throw new RuntimeException("Error: no se ha llegado al principio de las entidades de dibujo"); |
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| 207 | } |
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| 208 | 10289 | azabala | |
| 209 | //lee primero entidades normales?
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| 210 | readEntities(eStart, eEnd); |
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| 211 | |||
| 212 | bb.position(bb.position() + 19);
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| 213 | |||
| 214 | readBlockTable(blockTable); |
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| 215 | readLayerTable(layerTable); |
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| 216 | readStyleTable(styleTable); |
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| 217 | readLTypeTable(lineTypeTable); |
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| 218 | readViewTable(viewTable); |
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| 219 | readUcsTable(ucsTable); |
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| 220 | readVportTable(vportTable); |
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| 221 | readAppidTable(appidTable); |
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| 222 | readDimStyleTable(dimStyleTable); |
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| 223 | 10435 | azabala | // readP13Table(p13table);
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| 224 | 10289 | azabala | |
| 225 | //luego lee entidades de bloque
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| 226 | readEntities(bsStart, bsEnd); |
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| 227 | |||
| 228 | bb.position(bb.position() + 36);
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| 229 | |||
| 230 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 231 | |||
| 232 | int peStart, peEnd, pbStart, pbEnd;
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| 233 | |||
| 234 | peStart = bb.getInt(); |
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| 235 | peEnd = bb.getInt(); |
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| 236 | pbStart = bb.getInt(); |
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| 237 | pbEnd = bb.getInt(); |
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| 238 | |||
| 239 | if(peStart != eStart)
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| 240 | System.out.println("peStart="+peStart+" eStart="+eStart); |
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| 241 | |||
| 242 | if(peEnd != eEnd)
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| 243 | System.out.println("peStart="+peEnd+" eStart="+eEnd); |
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| 244 | |||
| 245 | if(pbStart != bsStart)
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| 246 | System.out.println("peStart="+pbStart+" eStart="+bsStart); |
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| 247 | |||
| 248 | if(bsEnd != pbEnd)
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| 249 | System.out.println("peStart="+pbStart+" eStart="+bsStart); |
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| 250 | |||
| 251 | bb.position(bb.position() + 12);
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| 252 | |||
| 253 | Dwg12TableTest bts = getTableTest(); |
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| 254 | |||
| 255 | Dwg12TableTest lyrTs = getTableTest(); |
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| 256 | |||
| 257 | Dwg12TableTest sts = getTableTest(); |
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| 258 | |||
| 259 | Dwg12TableTest ltts = getTableTest(); |
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| 260 | |||
| 261 | Dwg12TableTest vts = getTableTest(); |
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| 262 | |||
| 263 | Dwg12TableTest uts = getTableTest(); |
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| 264 | |||
| 265 | Dwg12TableTest vpts = getTableTest(); |
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| 266 | |||
| 267 | Dwg12TableTest ats = getTableTest(); |
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| 268 | |||
| 269 | Dwg12TableTest dts = getTableTest(); |
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| 270 | |||
| 271 | Dwg12TableTest pts = getTableTest(); |
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| 272 | |||
| 273 | |||
| 274 | |||
| 275 | |||
| 276 | } catch (Exception e) { |
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| 277 | 10515 | azabala | e.printStackTrace(); |
| 278 | 10289 | azabala | // logger.error(e);
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| 279 | } |
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| 280 | } |
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| 281 | |||
| 282 | |||
| 283 | 10435 | azabala | private void readP13Table(Dwg12Table p13table) { |
| 284 | // TODO Auto-generated method stub
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| 285 | } |
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| 286 | |||
| 287 | |||
| 288 | |||
| 289 | private void readDimStyleTable(Dwg12Table dimStyleTable) { |
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| 290 | short size = dimStyleTable.s1;
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| 291 | int numRecs = dimStyleTable.i1;
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| 292 | int start = dimStyleTable.i2;
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| 293 | int end = -1; |
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| 294 | bb.position(start); |
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| 295 | for(int i = 0; i < numRecs; i++){ |
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| 296 | end = bb.position() + size; |
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| 297 | |||
| 298 | byte flag = bb.get();
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| 299 | byte[] nameBytes = new byte[32]; |
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| 300 | bb.get(nameBytes); |
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| 301 | String name = new String(nameBytes); |
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| 302 | |||
| 303 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 304 | short word = bb.getShort();
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| 305 | |||
| 306 | double[] d4048 = new double[9]; |
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| 307 | for(int j = 0; j < 9; j++){ |
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| 308 | d4048[j] = bb.getDouble(); |
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| 309 | } |
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| 310 | |||
| 311 | double[] d40145 = new double[6]; |
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| 312 | for(int j = 0; j < 6; j++){ |
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| 313 | d40145[j] = bb.getDouble(); |
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| 314 | } |
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| 315 | |||
| 316 | byte[] b7078 = new byte[7]; |
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| 317 | for(int j = 0; j < 7; j++){ |
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| 318 | b7078[j] = bb.get(); |
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| 319 | } |
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| 320 | |||
| 321 | byte[] b170175 = new byte[6]; |
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| 322 | for(int j = 0; j < 6; j++){ |
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| 323 | b170175[j] = bb.get(); |
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| 324 | } |
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| 325 | |||
| 326 | bb.order(ByteOrder.nativeOrder());
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| 327 | byte[] s3 = new byte[16]; |
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| 328 | bb.get(s3); |
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| 329 | |||
| 330 | byte[] s4 = new byte[16]; |
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| 331 | bb.get(s4); |
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| 332 | |||
| 333 | byte[] s5 = new byte[32]; |
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| 334 | bb.get(s5); |
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| 335 | |||
| 336 | byte[] s6 = new byte[32]; |
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| 337 | bb.get(s6); |
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| 338 | |||
| 339 | byte[] s7 = new byte[32]; |
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| 340 | bb.get(s6); |
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| 341 | |||
| 342 | bb.position(bb.position() + 3);
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| 343 | |||
| 344 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 345 | short w176 = bb.getShort();
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| 346 | short w177 = bb.getShort();
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| 347 | short w178 = bb.getShort();
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| 348 | |||
| 349 | double d146 = bb.getDouble();
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| 350 | double d147 = bb.getDouble();
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| 351 | |||
| 352 | |||
| 353 | int offset = end - bb.position();
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| 354 | if(offset > 0) |
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| 355 | bb.position(bb.position() + offset); |
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| 356 | |||
| 357 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 358 | short crc = bb.getShort();
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| 359 | } |
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| 360 | byte[] crc32 = new byte[32]; |
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| 361 | bb.get(crc32); |
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| 362 | } |
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| 363 | |||
| 364 | |||
| 365 | |||
| 366 | private void readAppidTable(Dwg12Table appidTable) { |
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| 367 | short size = appidTable.s1;
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| 368 | int numRecs = appidTable.i1;
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| 369 | int start = appidTable.i2;
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| 370 | int end = -1; |
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| 371 | bb.position(start); |
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| 372 | for(int i = 0; i < numRecs; i++){ |
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| 373 | end = bb.position() + size; |
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| 374 | |||
| 375 | byte flag = bb.get();
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| 376 | byte[] nameBytes = new byte[32]; |
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| 377 | bb.get(nameBytes); |
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| 378 | String name = new String(nameBytes); |
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| 379 | |||
| 380 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 381 | short word = bb.getShort();
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| 382 | |||
| 383 | int offset = end - bb.position();
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| 384 | if(offset > 0) |
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| 385 | bb.position(bb.position() + offset); |
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| 386 | |||
| 387 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 388 | short crc = bb.getShort();
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| 389 | } |
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| 390 | byte[] crc32 = new byte[32]; |
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| 391 | bb.get(crc32); |
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| 392 | } |
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| 393 | |||
| 394 | |||
| 395 | |||
| 396 | private void readVportTable(Dwg12Table vportTable) { |
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| 397 | short size = vportTable.s1;
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| 398 | int numRecs = vportTable.i1;
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| 399 | int start = vportTable.i2;
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| 400 | int end = -1; |
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| 401 | bb.position(start); |
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| 402 | for(int i = 0; i < numRecs; i++){ |
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| 403 | end = bb.position() + size; |
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| 404 | |||
| 405 | byte flag = bb.get();
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| 406 | byte[] nameBytes = new byte[32]; |
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| 407 | bb.get(nameBytes); |
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| 408 | String name = new String(nameBytes); |
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| 409 | |||
| 410 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 411 | short used = bb.getShort();
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| 412 | |||
| 413 | double[] pt10 = getPoint(false); |
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| 414 | double[] pt11 = getPoint(false); |
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| 415 | double[] pt17 = getPoint(false); |
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| 416 | double[] pt16 = getPoint(true); |
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| 417 | |||
| 418 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 419 | |||
| 420 | double d50 = bb.getDouble();
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| 421 | double d40 = bb.getDouble();
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| 422 | |||
| 423 | double[] pt12 = getPoint(false); |
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| 424 | |||
| 425 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 426 | double d41 = bb.getDouble();
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| 427 | double d42 = bb.getDouble();
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| 428 | double d43 = bb.getDouble();
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| 429 | double d44 = bb.getDouble();
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| 430 | |||
| 431 | short[] w7178 = new short[8]; |
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| 432 | for(int j = 0; j < 8; j++){ |
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| 433 | w7178[j] = bb.getShort(); |
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| 434 | } |
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| 435 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 436 | double d51 = bb.getDouble();
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| 437 | |||
| 438 | double[] pt13 = getPoint(false); |
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| 439 | double[] pt14 = getPoint(false); |
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| 440 | double[] pt15 = getPoint(false); |
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| 441 | |||
| 442 | int offset = end - bb.position();
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| 443 | if(offset > 0) |
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| 444 | bb.position(bb.position() + offset); |
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| 445 | |||
| 446 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 447 | short crc = bb.getShort();
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| 448 | } |
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| 449 | byte[] crc32 = new byte[32]; |
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| 450 | bb.get(crc32); |
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| 451 | } |
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| 452 | |||
| 453 | |||
| 454 | |||
| 455 | private void readUcsTable(Dwg12Table ucsTable) { |
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| 456 | short size = ucsTable.s1;
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| 457 | int numRecs = ucsTable.i1;
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| 458 | int start = ucsTable.i2;
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| 459 | int end = -1; |
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| 460 | bb.position(start); |
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| 461 | for(int i = 0; i < numRecs; i++){ |
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| 462 | end = bb.position() + size; |
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| 463 | |||
| 464 | byte flag = bb.get();
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| 465 | byte[] nameBytes = new byte[32]; |
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| 466 | bb.get(nameBytes); |
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| 467 | String name = new String(nameBytes); |
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| 468 | |||
| 469 | bb.order(ByteOrder.LITTLE_ENDIAN);
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| 470 | short used = bb.getShort();
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| 471 | |||
| 472 | double[] pt10 = getPoint(true); |
||
| 473 | double[] pt11 = getPoint(true); |
||
| 474 | double[] pt12 = getPoint(true); |
||
| 475 | |||
| 476 | |||
| 477 | |||
| 478 | int offset = end - bb.position();
|
||
| 479 | if(offset > 0) |
||
| 480 | bb.position(bb.position() + offset); |
||
| 481 | |||
| 482 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 483 | short crc = bb.getShort();
|
||
| 484 | } |
||
| 485 | byte[] crc32 = new byte[32]; |
||
| 486 | bb.get(crc32); |
||
| 487 | |||
| 488 | |||
| 489 | } |
||
| 490 | |||
| 491 | |||
| 492 | |||
| 493 | private void readViewTable(Dwg12Table viewTable) { |
||
| 494 | short size = viewTable.s1;
|
||
| 495 | int numRecs = viewTable.i1;
|
||
| 496 | int start = viewTable.i2;
|
||
| 497 | int end = -1; |
||
| 498 | bb.position(start); |
||
| 499 | for(int i = 0; i < numRecs; i++){ |
||
| 500 | end = bb.position() + size; |
||
| 501 | |||
| 502 | byte flag = bb.get();
|
||
| 503 | byte[] nameBytes = new byte[32]; |
||
| 504 | bb.get(nameBytes); |
||
| 505 | String name = new String(nameBytes); |
||
| 506 | |||
| 507 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 508 | short used = bb.getShort();
|
||
| 509 | double db40 = bb.getDouble();
|
||
| 510 | |||
| 511 | double[] pt10 = getPoint(false); |
||
| 512 | |||
| 513 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 514 | double db41 = bb.getDouble();
|
||
| 515 | |||
| 516 | double[] pt11 = getPoint(true); |
||
| 517 | |||
| 518 | double[] pt12 = getPoint(true); |
||
| 519 | |||
| 520 | |||
| 521 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 522 | short w71 = bb.getShort();
|
||
| 523 | double db42 = bb.getDouble();
|
||
| 524 | double db43 = bb.getDouble();
|
||
| 525 | double db44 = bb.getDouble();
|
||
| 526 | double db50 = bb.getDouble();
|
||
| 527 | |||
| 528 | int offset = end - bb.position();
|
||
| 529 | if(offset > 0) |
||
| 530 | bb.position(bb.position() + offset); |
||
| 531 | |||
| 532 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 533 | short crc = bb.getShort();
|
||
| 534 | |||
| 535 | |||
| 536 | } |
||
| 537 | byte[] crc32 = new byte[32]; |
||
| 538 | bb.get(crc32); |
||
| 539 | } |
||
| 540 | |||
| 541 | |||
| 542 | |||
| 543 | private void readLTypeTable(Dwg12Table lineTypeTable) { |
||
| 544 | short size = lineTypeTable.s1;
|
||
| 545 | int numRecs = lineTypeTable.i1;
|
||
| 546 | int start = lineTypeTable.i2;
|
||
| 547 | int end = -1; |
||
| 548 | bb.position(start); |
||
| 549 | for(int i = 0; i < numRecs; i++){ |
||
| 550 | end = bb.position() + size; |
||
| 551 | byte flag = bb.get();
|
||
| 552 | byte[] nameBytes = new byte[32]; |
||
| 553 | bb.get(nameBytes); |
||
| 554 | String name = new String(nameBytes); |
||
| 555 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 556 | short w1 = bb.getShort();
|
||
| 557 | |||
| 558 | byte[] s1 = new byte[48]; |
||
| 559 | bb.get(s1); |
||
| 560 | String s1name = new String(s1); |
||
| 561 | |||
| 562 | bb.order(ByteOrder.nativeOrder());
|
||
| 563 | byte b1 = bb.get();
|
||
| 564 | byte b2 = bb.get();
|
||
| 565 | |||
| 566 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 567 | double[] doubles = new double[13]; |
||
| 568 | for(int j = 0; j < 13; j++){ |
||
| 569 | doubles[j] = bb.getDouble(); |
||
| 570 | } |
||
| 571 | |||
| 572 | short crc = bb.getShort();
|
||
| 573 | |||
| 574 | int offset = end - bb.position();
|
||
| 575 | if(offset > 0) |
||
| 576 | bb.position(bb.position() + offset); |
||
| 577 | } |
||
| 578 | byte[] crc32 = new byte[32]; |
||
| 579 | bb.get(crc32); |
||
| 580 | } |
||
| 581 | |||
| 582 | |||
| 583 | |||
| 584 | 10421 | azabala | /**
|
| 585 | * @param styleTable
|
||
| 586 | */
|
||
| 587 | private void readStyleTable(Dwg12Table styleTable) { |
||
| 588 | short size = styleTable.s1;
|
||
| 589 | int numRecs = styleTable.i1;
|
||
| 590 | int start = styleTable.i2;
|
||
| 591 | int end = -1; |
||
| 592 | bb.position(start); |
||
| 593 | for(int i = 0; i < numRecs; i++){ |
||
| 594 | end = bb.position() + size; |
||
| 595 | byte flag = bb.get();
|
||
| 596 | byte[] nameBytes = new byte[32]; |
||
| 597 | bb.get(nameBytes); |
||
| 598 | String name = new String(nameBytes); |
||
| 599 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 600 | short w1 = bb.getShort();
|
||
| 601 | double d1 = bb.getDouble();
|
||
| 602 | double d2 = bb.getDouble();
|
||
| 603 | double d3 = bb.getDouble();
|
||
| 604 | byte b1 = bb.get();
|
||
| 605 | double d4 = bb.getDouble();
|
||
| 606 | |||
| 607 | byte[] s1 = new byte[128]; |
||
| 608 | bb.get(s1); |
||
| 609 | |||
| 610 | short crc = bb.getShort();
|
||
| 611 | int offset = end - bb.position();
|
||
| 612 | if(offset > 0) |
||
| 613 | bb.position(bb.position() + offset); |
||
| 614 | } |
||
| 615 | byte[] crc32 = new byte[32]; |
||
| 616 | bb.get(crc32); |
||
| 617 | } |
||
| 618 | |||
| 619 | |||
| 620 | |||
| 621 | /**
|
||
| 622 | * @param layerTable
|
||
| 623 | */
|
||
| 624 | private void readLayerTable(Dwg12Table layerTable) { |
||
| 625 | short size = layerTable.s1;
|
||
| 626 | int numR = layerTable.i1;
|
||
| 627 | int start = layerTable.i2;
|
||
| 628 | int end = -1; |
||
| 629 | bb.position(start); |
||
| 630 | |||
| 631 | 10515 | azabala | DwgLayer layer = null;
|
| 632 | |||
| 633 | |||
| 634 | 10421 | azabala | for(int i = 0; i < numR; i++){ |
| 635 | 10515 | azabala | |
| 636 | layer = new DwgLayer(index);
|
||
| 637 | index++; |
||
| 638 | 10421 | azabala | end = bb.position() + size; |
| 639 | byte flag = bb.get();
|
||
| 640 | 10515 | azabala | /*
|
| 641 | +=====================================================+
|
||
| 642 | | Flag bit | Meaning |
|
||
| 643 | | value | |
|
||
| 644 | |----------|------------------------------------------|
|
||
| 645 | | 1 | If set, layer is frozen |
|
||
| 646 | |----------|------------------------------------------|
|
||
| 647 | | 2 | If set, layer is frozen by default in |
|
||
| 648 | | | new Viewports |
|
||
| 649 | |----------|------------------------------------------|
|
||
| 650 | | 4 | If set, layer is locked |
|
||
| 651 | +-----------------------------------------------------+
|
||
| 652 | * */
|
||
| 653 | if((flag & 0x1) > 0){ |
||
| 654 | layer.setFrozen(true);
|
||
| 655 | } |
||
| 656 | if((flag & 0x2) > 0){ |
||
| 657 | layer.setFrozenInNew(true);
|
||
| 658 | } |
||
| 659 | if((flag & 0x4) > 0){ |
||
| 660 | layer.setLocked(true);
|
||
| 661 | } |
||
| 662 | |||
| 663 | 10421 | azabala | byte[] nameByte = new byte[32]; |
| 664 | bb.get(nameByte); |
||
| 665 | String name = new String(nameByte); |
||
| 666 | 10515 | azabala | layer.setName(name); |
| 667 | 10421 | azabala | |
| 668 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 669 | short used = bb.getShort();
|
||
| 670 | short color = bb.getShort();
|
||
| 671 | 10515 | azabala | layer.setColor(color); |
| 672 | 10421 | azabala | short style = bb.getShort();
|
| 673 | short crc = bb.getShort();
|
||
| 674 | |||
| 675 | int offset = end - bb.position();
|
||
| 676 | 10515 | azabala | |
| 677 | //TODO Vemos si el indice que ocupa la layer en la tabla
|
||
| 678 | //de layers se corresponde con el valor short de las entidades
|
||
| 679 | //graficas
|
||
| 680 | DwgHandleReference handle = new DwgHandleReference(0x5, i); |
||
| 681 | layer.setHandle(handle); |
||
| 682 | dwgFile.addDwgObject(layer); |
||
| 683 | 10421 | azabala | if(offset > 0) |
| 684 | bb.position(bb.position() + offset); |
||
| 685 | |||
| 686 | } |
||
| 687 | byte[] crc32 = new byte[32]; |
||
| 688 | bb.get(crc32); |
||
| 689 | } |
||
| 690 | |||
| 691 | |||
| 692 | interface EntityReader{ |
||
| 693 | 10481 | azabala | void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj); |
| 694 | 10421 | azabala | } |
| 695 | |||
| 696 | 10585 | azabala | /**
|
| 697 | * In DWG 12 version, some kind of objects (Polylines and Vertex) cannot be
|
||
| 698 | * instanciated until the EntityReader has readed some stuff (flags and so)
|
||
| 699 | * from the file.
|
||
| 700 | *
|
||
| 701 | * DifferedEntityReader has the responsability to create DwgObject instances,
|
||
| 702 | * and it has the precondition that DwgObject parameter of its method read must
|
||
| 703 | * be null.
|
||
| 704 | * */
|
||
| 705 | abstract class DifferedEntityReader implements EntityReader{ |
||
| 706 | abstract DwgObject getDwgObject();
|
||
| 707 | |||
| 708 | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj){ |
||
| 709 | if(dwgObj != null) |
||
| 710 | throw new RuntimeException("DifferedEntityReader es el encargado de construir los objetos, debe recibirlos a null"); |
||
| 711 | } |
||
| 712 | |||
| 713 | } |
||
| 714 | |||
| 715 | 10421 | azabala | class LineReader implements EntityReader{ |
| 716 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 717 | if(! (dwgObj instanceof DwgLine)) |
||
| 718 | throw new RuntimeException("No es entidad LINE"); |
||
| 719 | DwgLine line = (DwgLine) dwgObj; |
||
| 720 | |||
| 721 | 10435 | azabala | boolean zflag = true; |
| 722 | if( (flags & 0x4) > 0) |
||
| 723 | zflag = false;
|
||
| 724 | |||
| 725 | double[] pt10 = getPoint(zflag); |
||
| 726 | double[] pt11 = getPoint(zflag); |
||
| 727 | |||
| 728 | 10481 | azabala | line.setP1(pt10); |
| 729 | line.setP2(pt11); |
||
| 730 | |||
| 731 | 10435 | azabala | if((opts & 0x1) > 0){ |
| 732 | double[] pt210 = getPoint(true); |
||
| 733 | 10481 | azabala | line.setExtrusion(pt210); |
| 734 | 10435 | azabala | } |
| 735 | |||
| 736 | if((opts & 0x2) > 0){ |
||
| 737 | 10481 | azabala | /*
|
| 738 | * This field is only found in DWG12 prev
|
||
| 739 | * files. Since DWG 12, elevation is saved
|
||
| 740 | * in third coordinate of points.
|
||
| 741 | *
|
||
| 742 | * */
|
||
| 743 | 10435 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 744 | double db38 = bb.getDouble();
|
||
| 745 | 10481 | azabala | line.getP1()[2] = db38;
|
| 746 | line.getP2()[2] = db38;
|
||
| 747 | 10435 | azabala | } |
| 748 | 10421 | azabala | } |
| 749 | } |
||
| 750 | |||
| 751 | 10435 | azabala | |
| 752 | |||
| 753 | 10421 | azabala | class PointReader implements EntityReader{ |
| 754 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 755 | if(! (dwgObj instanceof DwgPoint)) |
||
| 756 | throw new RuntimeException("No es entidad POINT"); |
||
| 757 | DwgPoint point = (DwgPoint) dwgObj; |
||
| 758 | 10435 | azabala | boolean zflag = true; |
| 759 | if((flags & 0x4) > 0) |
||
| 760 | zflag = false;
|
||
| 761 | double[] pt10 = getPoint(zflag); |
||
| 762 | 10481 | azabala | point.setPoint(pt10); |
| 763 | 10435 | azabala | |
| 764 | if((opts & 0x1) > 0){ |
||
| 765 | double[] pt210 = getPoint(true); |
||
| 766 | 10481 | azabala | point.setExtrusion(pt210); |
| 767 | 10435 | azabala | } |
| 768 | |||
| 769 | if((opts & 0x2) > 0){ |
||
| 770 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 771 | double db38 = bb.getDouble();
|
||
| 772 | 10481 | azabala | point.getPoint()[2] = db38;
|
| 773 | 10435 | azabala | } |
| 774 | 10421 | azabala | } |
| 775 | } |
||
| 776 | 10435 | azabala | |
| 777 | |||
| 778 | 10421 | azabala | class CircleReader implements EntityReader{ |
| 779 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 780 | if(! (dwgObj instanceof DwgCircle)) |
||
| 781 | throw new RuntimeException("No es entidad CIRCLE"); |
||
| 782 | DwgCircle circle = (DwgCircle) dwgObj; |
||
| 783 | |||
| 784 | 10435 | azabala | boolean zflag = true; |
| 785 | if((flags & 0x4) > 0) |
||
| 786 | zflag = false;
|
||
| 787 | double[] pt10 = getPoint(zflag); |
||
| 788 | 10481 | azabala | circle.setCenter(pt10); |
| 789 | |||
| 790 | 10435 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 791 | double d40 = bb.getDouble();
|
||
| 792 | 10481 | azabala | circle.setRadius(d40); |
| 793 | 10435 | azabala | |
| 794 | if((opts & 0x1) > 0){ |
||
| 795 | double[] pt210 = getPoint(true); |
||
| 796 | 10481 | azabala | circle.setExtrusion(pt210); |
| 797 | 10435 | azabala | } |
| 798 | |||
| 799 | if((opts & 0x2) > 0){ |
||
| 800 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 801 | double db38 = bb.getDouble();
|
||
| 802 | 10481 | azabala | circle.getCenter()[2] = db38;
|
| 803 | 10435 | azabala | } |
| 804 | 10421 | azabala | } |
| 805 | } |
||
| 806 | 10435 | azabala | |
| 807 | |||
| 808 | |||
| 809 | 10421 | azabala | class ShapeReader implements EntityReader{ |
| 810 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 811 | |||
| 812 | //TODO POR IMPLEMENTAR DwgShape (referencia a un
|
||
| 813 | //fichero de texto)
|
||
| 814 | |||
| 815 | 10435 | azabala | double[] pt10 = getPoint(false); |
| 816 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 817 | short w2 = bb.getShort();
|
||
| 818 | if((opts & 0x1) > 0){ |
||
| 819 | double[] pt210 = getPoint(true); |
||
| 820 | } |
||
| 821 | if((opts & 0x2) > 0){ |
||
| 822 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 823 | double db38 = bb.getDouble();
|
||
| 824 | } |
||
| 825 | 10421 | azabala | } |
| 826 | } |
||
| 827 | 10435 | azabala | |
| 828 | public String getString(){ |
||
| 829 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 830 | short len = bb.getShort();
|
||
| 831 | byte[] bytes = new byte[len]; |
||
| 832 | bb.order(ByteOrder.nativeOrder());
|
||
| 833 | bb.get(bytes); |
||
| 834 | return new String(bytes); |
||
| 835 | } |
||
| 836 | 10481 | azabala | |
| 837 | |||
| 838 | 10421 | azabala | class TextReader implements EntityReader{ |
| 839 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 840 | |||
| 841 | if(! (dwgObj instanceof DwgText)) |
||
| 842 | throw new RuntimeException("No es entidad TEXT"); |
||
| 843 | DwgText txt = (DwgText) dwgObj; |
||
| 844 | |||
| 845 | |||
| 846 | 10435 | azabala | double[] pt10 = getPoint(false); |
| 847 | 10481 | azabala | txt.setInsertionPoint(new Point2D.Double(pt10[0], pt10[1])); |
| 848 | |||
| 849 | |||
| 850 | 10435 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 851 | double db40 = bb.getDouble();
|
||
| 852 | 10481 | azabala | txt.setHeight(db40); |
| 853 | |||
| 854 | |||
| 855 | |||
| 856 | 10435 | azabala | String text = getString();
|
| 857 | 10481 | azabala | txt.setText(text); |
| 858 | 10435 | azabala | if((opts & 0x1) > 0){ |
| 859 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 860 | double db50 = bb.getDouble();
|
||
| 861 | 10481 | azabala | txt.setRotationAngle(db50); |
| 862 | 10435 | azabala | } |
| 863 | if((opts & 0x2) > 0){ |
||
| 864 | double db41 = bb.getDouble();
|
||
| 865 | 10481 | azabala | txt.setWidthFactor(db41);//TODO 41 es width factor seguro?
|
| 866 | 10435 | azabala | } |
| 867 | if((opts & 0x4) > 0){ |
||
| 868 | double db51 = bb.getDouble();
|
||
| 869 | 10481 | azabala | txt.setObliqueAngle(db51); |
| 870 | 10435 | azabala | } |
| 871 | if((opts & 0x8) > 0){ |
||
| 872 | byte b7 = bb.get();
|
||
| 873 | } |
||
| 874 | if((opts & 0x10) > 0){ |
||
| 875 | byte b71 = bb.get();
|
||
| 876 | 10481 | azabala | //parametros de mirroring
|
| 877 | txt.setGeneration(b71); |
||
| 878 | 10435 | azabala | } |
| 879 | if((opts & 0x20) > 0){ |
||
| 880 | byte b72 = bb.get();
|
||
| 881 | 10481 | azabala | txt.setHalign(b72); |
| 882 | 10435 | azabala | } |
| 883 | if((opts & 0x40) > 0){ |
||
| 884 | double[] pt11 = getPoint(false); |
||
| 885 | 10481 | azabala | txt.setAlignmentPoint(new Point2D.Double(pt11[0], pt11[1])); |
| 886 | 10435 | azabala | } |
| 887 | if((opts & 0x100) > 0){ |
||
| 888 | byte b73 = bb.get();
|
||
| 889 | 10481 | azabala | txt.setValign(b73); |
| 890 | 10435 | azabala | } |
| 891 | 10537 | azabala | |
| 892 | //TODO La especificaci?n DXF 12 dice que la extrusion
|
||
| 893 | //codigos DXF 210, 220, 230 se aplica sobre:
|
||
| 894 | /*
|
||
| 895 | Line, Point, Circle, Shape, Text, Arc, Trace,
|
||
| 896 | Solid, Block Reference, Polyline,
|
||
| 897 | Dimension, Attribute, and Attribute Definition entity
|
||
| 898 | |||
| 899 | Pero aqu? no aparece por ningun lado la extrusion
|
||
| 900 | * */
|
||
| 901 | double[] ext = new double[]{0, 0, 1}; |
||
| 902 | txt.setExtrusion(ext); |
||
| 903 | 10421 | azabala | } |
| 904 | } |
||
| 905 | 10435 | azabala | |
| 906 | |||
| 907 | 10421 | azabala | class ArcReader implements EntityReader{ |
| 908 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 909 | if(! (dwgObj instanceof DwgArc)) |
||
| 910 | throw new RuntimeException("No es entidad ARC"); |
||
| 911 | DwgArc arc = (DwgArc) dwgObj; |
||
| 912 | |||
| 913 | 10435 | azabala | double[] pt10 = getPoint(false); |
| 914 | 10481 | azabala | arc.setCenter(pt10); |
| 915 | |||
| 916 | 10435 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 917 | double d40 = bb.getDouble();
|
||
| 918 | 10481 | azabala | arc.setRadius(d40); |
| 919 | |||
| 920 | 10435 | azabala | double d50 = bb.getDouble();
|
| 921 | 10481 | azabala | arc.setInitAngle(d50); |
| 922 | |||
| 923 | 10435 | azabala | double d51 = bb.getDouble();
|
| 924 | 10481 | azabala | arc.setEndAngle(51);
|
| 925 | |||
| 926 | 10435 | azabala | if((opts & 0x1) > 0){ |
| 927 | double[] pt210 = getPoint(true); |
||
| 928 | 10481 | azabala | arc.setExtrusion(pt210); |
| 929 | 10435 | azabala | } |
| 930 | if((opts & 0x2) > 0){ |
||
| 931 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 932 | double db38 = bb.getDouble();
|
||
| 933 | 10481 | azabala | arc.getCenter()[2] = db38;
|
| 934 | 10435 | azabala | } |
| 935 | 10421 | azabala | } |
| 936 | } |
||
| 937 | |||
| 938 | 10435 | azabala | |
| 939 | |||
| 940 | 10421 | azabala | class TraceReader implements EntityReader{ |
| 941 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 942 | //TODO Implementar DwgTrace
|
||
| 943 | 10435 | azabala | double[] pt10 = getPoint(false); |
| 944 | double[] pt11 = getPoint(false); |
||
| 945 | double[] pt12 = getPoint(false); |
||
| 946 | double[] pt13 = getPoint(false); |
||
| 947 | if((opts & 0x1) > 0){ |
||
| 948 | double[] pt210 = getPoint(true); |
||
| 949 | } |
||
| 950 | if((opts & 0x2) > 0){ |
||
| 951 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 952 | double db38 = bb.getDouble();
|
||
| 953 | } |
||
| 954 | 10421 | azabala | } |
| 955 | } |
||
| 956 | |||
| 957 | class SolidReader implements EntityReader{ |
||
| 958 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 959 | if(! (dwgObj instanceof DwgSolid)) |
||
| 960 | throw new RuntimeException("No es entidad SOLID"); |
||
| 961 | DwgSolid solid = (DwgSolid) dwgObj; |
||
| 962 | |||
| 963 | |||
| 964 | |||
| 965 | 10435 | azabala | double[] pt11 = getPoint(false); |
| 966 | 10481 | azabala | solid.setCorner1(pt11); |
| 967 | |||
| 968 | 10435 | azabala | double[] pt12 = getPoint(false); |
| 969 | 10481 | azabala | solid.setCorner2(pt12); |
| 970 | |||
| 971 | 10435 | azabala | double[] pt13 = getPoint(false); |
| 972 | 10481 | azabala | solid.setCorner3(pt13); |
| 973 | |||
| 974 | 10435 | azabala | double[] pt14 = getPoint(false); |
| 975 | 10481 | azabala | solid.setCorner4(pt14); |
| 976 | |||
| 977 | |||
| 978 | 10435 | azabala | if((opts & 0x1) > 0){ |
| 979 | double[] pt210 = getPoint(true); |
||
| 980 | 10481 | azabala | solid.setExtrusion(pt210); |
| 981 | 10435 | azabala | } |
| 982 | if((opts & 0x2) > 0){ |
||
| 983 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 984 | double db38 = bb.getDouble();
|
||
| 985 | 10481 | azabala | solid.getCorner1()[2] = db38;
|
| 986 | solid.getCorner2()[2] = db38;
|
||
| 987 | solid.getCorner3()[2] = db38;
|
||
| 988 | solid.getCorner4()[2] = db38;
|
||
| 989 | 10435 | azabala | } |
| 990 | 10421 | azabala | } |
| 991 | } |
||
| 992 | |||
| 993 | class BlkReader implements EntityReader{ |
||
| 994 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 995 | if(! (dwgObj instanceof DwgBlockHeader)) |
||
| 996 | throw new RuntimeException("No es entidad BLOCK"); |
||
| 997 | DwgBlockHeader blk = (DwgBlockHeader) dwgObj; |
||
| 998 | |||
| 999 | |||
| 1000 | 10435 | azabala | double[] pt10 = getPoint(false); |
| 1001 | 10481 | azabala | blk.setBasePoint(pt10); |
| 1002 | 10435 | azabala | String blockName = getString();
|
| 1003 | 10481 | azabala | |
| 1004 | //TODO En DWG 12 no se distingue Block de BlockHeader, en ulteriores
|
||
| 1005 | //versiones si
|
||
| 1006 | //REVISAR EL CASO DE LOS BLOQUES
|
||
| 1007 | |||
| 1008 | |||
| 1009 | 10435 | azabala | if((opts & 0x2) > 0) |
| 1010 | {
|
||
| 1011 | //puede ser que se trate de referencias
|
||
| 1012 | //externas??
|
||
| 1013 | String s3 = getString();
|
||
| 1014 | } |
||
| 1015 | 10481 | azabala | |
| 1016 | if((flags & 1) > 0){ |
||
| 1017 | blk.setAnonymous(true);
|
||
| 1018 | } |
||
| 1019 | |||
| 1020 | if((flags & 2) > 0){ |
||
| 1021 | blk.setHasAttrs(true);
|
||
| 1022 | } |
||
| 1023 | |||
| 1024 | if((flags & 4) > 0){ |
||
| 1025 | blk.setBlkIsXRef(true);
|
||
| 1026 | } |
||
| 1027 | |||
| 1028 | if((flags & 16) > 0){ |
||
| 1029 | blk.setXdep(true);
|
||
| 1030 | } |
||
| 1031 | |||
| 1032 | if((flags & 32) > 0){ |
||
| 1033 | blk.setXRefOverLaid(true);
|
||
| 1034 | } |
||
| 1035 | |||
| 1036 | if((flags & 64) > 0){ |
||
| 1037 | blk.setLoaded(true);
|
||
| 1038 | } |
||
| 1039 | |||
| 1040 | |||
| 1041 | /*
|
||
| 1042 | |||
| 1043 | 1 | This is an anonymous Block generated by |
|
||
| 1044 | | | hatching, associative dimensioning, other |
|
||
| 1045 | | | internal operations, or an application |
|
||
| 1046 | |----------|--------------------------------------------|
|
||
| 1047 | | 2 | This Block has Attributes |
|
||
| 1048 | |----------|--------------------------------------------|
|
||
| 1049 | | 4 | This Block is an external reference (Xref) |
|
||
| 1050 | |----------|--------------------------------------------|
|
||
| 1051 | | 8 | not used |
|
||
| 1052 | |----------|--------------------------------------------|
|
||
| 1053 | | 16 | This Block is externally dependent |
|
||
| 1054 | |----------|--------------------------------------------|
|
||
| 1055 | | 32 | This is a resolved external reference, or |
|
||
| 1056 | | | dependent of an external reference |
|
||
| 1057 | |----------|--------------------------------------------|
|
||
| 1058 | | 64 | This definition is referenced
|
||
| 1059 | |||
| 1060 | */
|
||
| 1061 | 10435 | azabala | |
| 1062 | 10421 | azabala | } |
| 1063 | } |
||
| 1064 | class EndBlkReader implements EntityReader{ |
||
| 1065 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) {} |
| 1066 | 10421 | azabala | } |
| 1067 | |||
| 1068 | class InsertReader implements EntityReader{ |
||
| 1069 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1070 | if(! (dwgObj instanceof DwgInsert)) |
||
| 1071 | throw new RuntimeException("No es entidad INSERT"); |
||
| 1072 | DwgInsert insert = (DwgInsert) dwgObj; |
||
| 1073 | |||
| 1074 | 10446 | azabala | bb.order(ByteOrder.nativeOrder());
|
| 1075 | short w1 = bb.getShort();
|
||
| 1076 | 10481 | azabala | |
| 1077 | |||
| 1078 | |||
| 1079 | 10446 | azabala | double[] pt10 = getPoint(false); |
| 1080 | 10481 | azabala | insert.setInsertionPoint(pt10); |
| 1081 | 10446 | azabala | |
| 1082 | 10481 | azabala | |
| 1083 | 10446 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 1084 | 10481 | azabala | |
| 1085 | double x = 0d, y = 0d, z = 0d; |
||
| 1086 | |||
| 1087 | 10446 | azabala | if((opts & 0x1) > 0){ |
| 1088 | double db41 = bb.getDouble();
|
||
| 1089 | 10481 | azabala | x = db41; |
| 1090 | 10446 | azabala | } |
| 1091 | |||
| 1092 | if((opts & 0x2) > 0){ |
||
| 1093 | double db42 = bb.getDouble();
|
||
| 1094 | 10481 | azabala | y = db42; |
| 1095 | 10446 | azabala | } |
| 1096 | |||
| 1097 | if((opts & 0x4) > 0){ |
||
| 1098 | double db43 = bb.getDouble();
|
||
| 1099 | 10481 | azabala | z = db43; |
| 1100 | 10446 | azabala | } |
| 1101 | |||
| 1102 | 10481 | azabala | insert.setScale(new double[]{x, y, z}); |
| 1103 | |||
| 1104 | 10446 | azabala | if((opts & 0x8) > 0){ |
| 1105 | double db50 = bb.getDouble();
|
||
| 1106 | 10481 | azabala | insert.setRotation(db50); |
| 1107 | 10446 | azabala | } |
| 1108 | |||
| 1109 | if((opts & 0x10) > 0){ |
||
| 1110 | 10455 | azabala | short w70 = bb.getShort();
|
| 1111 | 10481 | azabala | //column counts
|
| 1112 | 10446 | azabala | } |
| 1113 | //creo que esto est? mal, y que debe poner 0x20
|
||
| 1114 | if((opts & 0x10) > 0){ |
||
| 1115 | 10455 | azabala | short w71 = bb.getShort();
|
| 1116 | 10481 | azabala | //row counts
|
| 1117 | 10446 | azabala | } |
| 1118 | |||
| 1119 | 10455 | azabala | if((opts & 0x40) > 0){ |
| 1120 | double db44 = bb.getDouble();
|
||
| 1121 | 10481 | azabala | //column spacing
|
| 1122 | 10455 | azabala | } |
| 1123 | 10446 | azabala | |
| 1124 | 10455 | azabala | if((opts & 0x80) > 0){ |
| 1125 | double db45 = bb.getDouble();
|
||
| 1126 | 10481 | azabala | //row spacing
|
| 1127 | 10455 | azabala | } |
| 1128 | 10421 | azabala | } |
| 1129 | } |
||
| 1130 | |||
| 1131 | class AttDefReader implements EntityReader{ |
||
| 1132 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1133 | 10455 | azabala | double[] p10 = getPoint(false); |
| 1134 | String s1 = getString();
|
||
| 1135 | String s3 = getString();
|
||
| 1136 | String s2 = getString();
|
||
| 1137 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1138 | byte b70 = bb.get();
|
||
| 1139 | |||
| 1140 | if((opts & 0x1) > 0){ |
||
| 1141 | byte b73 = bb.get();
|
||
| 1142 | } |
||
| 1143 | |||
| 1144 | if((opts & 0x2) > 0){ |
||
| 1145 | double d50 = bb.getDouble();
|
||
| 1146 | } |
||
| 1147 | |||
| 1148 | if((opts & 0x4) > 0){ |
||
| 1149 | double d41 = bb.getDouble();
|
||
| 1150 | } |
||
| 1151 | |||
| 1152 | if((opts & 0x8) > 0){ |
||
| 1153 | double d42 = bb.getDouble();
|
||
| 1154 | } |
||
| 1155 | |||
| 1156 | if((opts & 0x10) > 0){ |
||
| 1157 | byte b7 = bb.get();
|
||
| 1158 | } |
||
| 1159 | |||
| 1160 | if((opts & 0x20) > 0){ |
||
| 1161 | byte b71 = bb.get();
|
||
| 1162 | } |
||
| 1163 | |||
| 1164 | if((opts & 0x40) > 0){ |
||
| 1165 | byte b72 = bb.get();
|
||
| 1166 | } |
||
| 1167 | |||
| 1168 | if((opts & 0x80) > 0){ |
||
| 1169 | double[] p11 = getPoint(false); |
||
| 1170 | } |
||
| 1171 | |||
| 1172 | if((opts & 0x100) > 0){ |
||
| 1173 | double[] p210 = getPoint(true); |
||
| 1174 | } |
||
| 1175 | |||
| 1176 | if((opts & 0x200) > 0){ |
||
| 1177 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1178 | double d38 = bb.getDouble();
|
||
| 1179 | } |
||
| 1180 | 10421 | azabala | } |
| 1181 | } |
||
| 1182 | |||
| 1183 | class AttribReader implements EntityReader{ |
||
| 1184 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1185 | 10455 | azabala | double[] p10 = getPoint(false); |
| 1186 | |||
| 1187 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1188 | double d40 = bb.getDouble();
|
||
| 1189 | |||
| 1190 | String s1 = getString();
|
||
| 1191 | String s2 = getString();
|
||
| 1192 | |||
| 1193 | if((opts & 0x1) > 0){ |
||
| 1194 | byte b73 = bb.get();
|
||
| 1195 | } |
||
| 1196 | |||
| 1197 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1198 | if((opts & 0x2) > 0){ |
||
| 1199 | double d50 = bb.getDouble();
|
||
| 1200 | } |
||
| 1201 | |||
| 1202 | if((opts & 0x4) > 0){ |
||
| 1203 | double d41 = bb.getDouble();
|
||
| 1204 | } |
||
| 1205 | |||
| 1206 | if((opts & 0x8) > 0){ |
||
| 1207 | double d42 = bb.getDouble();
|
||
| 1208 | } |
||
| 1209 | |||
| 1210 | if((opts & 0x10) > 0){ |
||
| 1211 | byte b7 = bb.get();
|
||
| 1212 | } |
||
| 1213 | |||
| 1214 | if((opts & 0x20) > 0){ |
||
| 1215 | byte b71 = bb.get();
|
||
| 1216 | } |
||
| 1217 | |||
| 1218 | if((opts & 0x40) > 0){ |
||
| 1219 | byte b72 = bb.get();
|
||
| 1220 | } |
||
| 1221 | |||
| 1222 | if((opts & 0x80) > 0){ |
||
| 1223 | double[] p11 = getPoint(false); |
||
| 1224 | } |
||
| 1225 | |||
| 1226 | if((opts & 0x100) > 0){ |
||
| 1227 | double[] p210 = getPoint(true); |
||
| 1228 | } |
||
| 1229 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1230 | if((opts & 0x200) > 0){ |
||
| 1231 | double d38 = bb.getDouble();
|
||
| 1232 | } |
||
| 1233 | 10421 | azabala | } |
| 1234 | } |
||
| 1235 | 10455 | azabala | |
| 1236 | |||
| 1237 | 10421 | azabala | class SbEndReader implements EntityReader{ |
| 1238 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1239 | 10455 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 1240 | int l = bb.getInt();
|
||
| 1241 | 10421 | azabala | } |
| 1242 | } |
||
| 1243 | |||
| 1244 | 10585 | azabala | class PlineReader extends DifferedEntityReader{ |
| 1245 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1246 | 10585 | azabala | super.read(bb, flags, opts, dwgObj);
|
| 1247 | |||
| 1248 | //TODO El byte 70 es el que determina el tipo de Polyline
|
||
| 1249 | 10455 | azabala | if( (opts & 0x1) > 0){ |
| 1250 | byte b70 = bb.get();
|
||
| 1251 | } |
||
| 1252 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1253 | if( (opts & 0x2) > 0){ |
||
| 1254 | double d40 = bb.getDouble();
|
||
| 1255 | } |
||
| 1256 | |||
| 1257 | if( (opts & 0x4) > 0){ |
||
| 1258 | byte b71 = bb.get();
|
||
| 1259 | } |
||
| 1260 | |||
| 1261 | if( (opts & 0x8) > 0){ |
||
| 1262 | byte b72 = bb.get();
|
||
| 1263 | } |
||
| 1264 | |||
| 1265 | if( (opts & 0x10) > 0){ |
||
| 1266 | byte b73 = bb.get();
|
||
| 1267 | } |
||
| 1268 | |||
| 1269 | if( (opts & 0x20) > 0){ |
||
| 1270 | byte b74 = bb.get();
|
||
| 1271 | } |
||
| 1272 | |||
| 1273 | if( (opts & 0x40) > 0){ |
||
| 1274 | byte b75 = bb.get();
|
||
| 1275 | } |
||
| 1276 | 10421 | azabala | } |
| 1277 | 10585 | azabala | |
| 1278 | DwgObject getDwgObject() {
|
||
| 1279 | // TODO Auto-generated method stub
|
||
| 1280 | return null; |
||
| 1281 | } |
||
| 1282 | 10421 | azabala | } |
| 1283 | |||
| 1284 | 10585 | azabala | class VertexReader extends DifferedEntityReader{ |
| 1285 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1286 | 10455 | azabala | double[] pt10 = getPoint(false); |
| 1287 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1288 | if((opts & 0x1) > 0){ |
||
| 1289 | double d40 = bb.getDouble();
|
||
| 1290 | } |
||
| 1291 | if((opts & 0x2) > 0){ |
||
| 1292 | double d41 = bb.getDouble();
|
||
| 1293 | } |
||
| 1294 | if((opts & 0x4) > 0){ |
||
| 1295 | double d50 = bb.getDouble();
|
||
| 1296 | } |
||
| 1297 | if((opts & 0x8) > 0){ |
||
| 1298 | byte b70 = bb.get();
|
||
| 1299 | } |
||
| 1300 | 10421 | azabala | } |
| 1301 | 10585 | azabala | |
| 1302 | DwgObject getDwgObject() {
|
||
| 1303 | // TODO Auto-generated method stub
|
||
| 1304 | return null; |
||
| 1305 | } |
||
| 1306 | 10421 | azabala | } |
| 1307 | |||
| 1308 | class Face3DReader implements EntityReader{ |
||
| 1309 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1310 | 10455 | azabala | boolean zflag = false; |
| 1311 | if((flags & 0x4) > 0){ |
||
| 1312 | zflag = true;
|
||
| 1313 | } |
||
| 1314 | double[] pt10 = getPoint(zflag); |
||
| 1315 | double[] pt11 = getPoint(zflag); |
||
| 1316 | double[] pt12 = getPoint(zflag); |
||
| 1317 | double[] pt13 = getPoint(zflag); |
||
| 1318 | |||
| 1319 | 10421 | azabala | } |
| 1320 | } |
||
| 1321 | |||
| 1322 | class DimReader implements EntityReader{ |
||
| 1323 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1324 | 10455 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 1325 | short w1 = bb.getShort();
|
||
| 1326 | double[] pt10 = getPoint(true); |
||
| 1327 | double[] pt11 = getPoint(false); |
||
| 1328 | |||
| 1329 | if((opts & 0x2) > 0){ |
||
| 1330 | byte b70 = bb.get();
|
||
| 1331 | } |
||
| 1332 | |||
| 1333 | if((opts & 0x1) > 0){ |
||
| 1334 | double[] pt12 = getPoint(true); |
||
| 1335 | } |
||
| 1336 | |||
| 1337 | if((opts & 0x4) > 0){ |
||
| 1338 | String s1 = getString();
|
||
| 1339 | } |
||
| 1340 | |||
| 1341 | if((opts & 0x8) > 0){ |
||
| 1342 | double[] pt13 = getPoint(true); |
||
| 1343 | } |
||
| 1344 | |||
| 1345 | if((opts & 0x10) > 0){ |
||
| 1346 | double[] pt13 = getPoint(true); |
||
| 1347 | } |
||
| 1348 | |||
| 1349 | if((opts & 0x20) > 0){ |
||
| 1350 | double[] pt15 = getPoint(true); |
||
| 1351 | } |
||
| 1352 | |||
| 1353 | if((opts & 0x40) > 0){ |
||
| 1354 | double[] pt16 = getPoint(true); |
||
| 1355 | } |
||
| 1356 | |||
| 1357 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1358 | if((opts & 0x80) > 0){ |
||
| 1359 | double d40 = bb.getDouble();
|
||
| 1360 | } |
||
| 1361 | |||
| 1362 | if((opts & 0x100) > 0){ |
||
| 1363 | double d50 = bb.getDouble();
|
||
| 1364 | } |
||
| 1365 | |||
| 1366 | if((opts & 0x200) > 0){ |
||
| 1367 | double d51 = bb.getDouble();
|
||
| 1368 | } |
||
| 1369 | if((opts & 0x400) > 0){ |
||
| 1370 | double d52 = bb.getDouble();
|
||
| 1371 | } |
||
| 1372 | if((opts & 0x800) > 0){ |
||
| 1373 | double d53 = bb.getDouble();
|
||
| 1374 | } |
||
| 1375 | 10421 | azabala | } |
| 1376 | } |
||
| 1377 | |||
| 1378 | class VPortReader implements EntityReader{ |
||
| 1379 | 10481 | azabala | public void read(ByteBuffer bb, byte flags, short opts, DwgObject dwgObj) { |
| 1380 | 10455 | azabala | double[] pt10 = getPoint(true); |
| 1381 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1382 | double d40 = bb.getDouble();
|
||
| 1383 | double d41 = bb.getDouble();
|
||
| 1384 | short w68 = bb.getShort();
|
||
| 1385 | 10421 | azabala | } |
| 1386 | } |
||
| 1387 | |||
| 1388 | |||
| 1389 | |||
| 1390 | /**
|
||
| 1391 | * @param start
|
||
| 1392 | * @param end
|
||
| 1393 | */
|
||
| 1394 | private void readEntities(int start, int end) { |
||
| 1395 | bb.position(start); |
||
| 1396 | int ant = bb.position();
|
||
| 1397 | int emax = readers.size();
|
||
| 1398 | 10481 | azabala | EntityReader reader = null;
|
| 1399 | |||
| 1400 | 10421 | azabala | while(ant < (end - 32)){ |
| 1401 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1402 | 10537 | azabala | |
| 1403 | 10455 | azabala | byte kind = bb.get();
|
| 1404 | 10481 | azabala | if(kind < emax){
|
| 1405 | reader = (EntityReader) readers.get(kind); |
||
| 1406 | }//if
|
||
| 1407 | |||
| 1408 | 10537 | azabala | |
| 1409 | 10481 | azabala | //PROPERTIES COMMON TO ALL DWG 12 ENTITIES
|
| 1410 | 10455 | azabala | byte flag = bb.get();
|
| 1411 | 10421 | azabala | short lenght = bb.getShort();
|
| 1412 | |||
| 1413 | 10537 | azabala | //segun esto los dos ultimos bytes son el CRC
|
| 1414 | 10421 | azabala | int crcpos = ant + (lenght - 2); |
| 1415 | 10537 | azabala | |
| 1416 | |||
| 1417 | 10421 | azabala | short layer = bb.getShort();
|
| 1418 | short opts = bb.getShort();
|
||
| 1419 | |||
| 1420 | byte color = 0; |
||
| 1421 | if ((flag & 0x1) > 0){ |
||
| 1422 | color = bb.get(); |
||
| 1423 | } |
||
| 1424 | 10537 | azabala | |
| 1425 | 10421 | azabala | byte extra = 0; |
| 1426 | if ((flag & 0x40) > 0) |
||
| 1427 | extra = bb.get(); |
||
| 1428 | |||
| 1429 | 10537 | azabala | |
| 1430 | 10481 | azabala | String xdata = null; |
| 1431 | 10421 | azabala | if((extra & 0x2) > 0) |
| 1432 | xdata = readXdata(); |
||
| 1433 | |||
| 1434 | 10537 | azabala | |
| 1435 | 10421 | azabala | short type = 0; |
| 1436 | if((flag & 0x2) > 0) |
||
| 1437 | type = bb.getShort(); |
||
| 1438 | |||
| 1439 | 10537 | azabala | |
| 1440 | 10421 | azabala | double z = 0d; |
| 1441 | if( (flag & 0x4) > 0 && (kind > 2) && (kind != 22)){ |
||
| 1442 | z = bb.getDouble(); |
||
| 1443 | } |
||
| 1444 | |||
| 1445 | double th = 0d; |
||
| 1446 | if((flag & 0x8) > 0){ |
||
| 1447 | th = bb.getDouble(); |
||
| 1448 | } |
||
| 1449 | |||
| 1450 | 10481 | azabala | byte[] handle = null; |
| 1451 | 10421 | azabala | if((flag & 0x20) > 0) |
| 1452 | handle = getHandle(); |
||
| 1453 | 10537 | azabala | |
| 1454 | 10421 | azabala | short paper = 0; |
| 1455 | if((extra & 0x4) > 0){ |
||
| 1456 | paper = bb.getShort(); |
||
| 1457 | } |
||
| 1458 | |||
| 1459 | 10481 | azabala | if(reader != null){ |
| 1460 | DwgObject entity = null;
|
||
| 1461 | if(reader instanceof PlineReader){ |
||
| 1462 | 10537 | azabala | System.out.println("plinereader"); |
| 1463 | 10585 | azabala | |
| 1464 | |||
| 1465 | |||
| 1466 | |||
| 1467 | |||
| 1468 | 10481 | azabala | }else if(reader instanceof VertexReader){ |
| 1469 | 10537 | azabala | System.out.println("vertexreader"); |
| 1470 | 10585 | azabala | |
| 1471 | |||
| 1472 | |||
| 1473 | |||
| 1474 | |||
| 1475 | |||
| 1476 | |||
| 1477 | |||
| 1478 | |||
| 1479 | 10481 | azabala | }else{
|
| 1480 | entity = DwgObjectFactory. |
||
| 1481 | getInstance(). |
||
| 1482 | create(kind, index); |
||
| 1483 | 10421 | azabala | } |
| 1484 | 10481 | azabala | entity.setColor(color); |
| 1485 | entity.setType(type);//TODO Este type es el mismo que para DWG 13-14-2000?
|
||
| 1486 | entity.setSizeInBits(lenght);//TODO Este size es el mismo que para DWG 13-14-2000?
|
||
| 1487 | /*
|
||
| 1488 | * TODO
|
||
| 1489 | * Parece ser que DWG 12 no gestiona las layers al igual que las
|
||
| 1490 | * versiones sucesivas (hay que descifrar si 'layer' significa
|
||
| 1491 | * un orden en la tabla de layers
|
||
| 1492 | *
|
||
| 1493 | * De ser as?, y si indexamos las layers de esta forma
|
||
| 1494 | * (con un HandleReference de code 0x5) ser? todo homogeneo
|
||
| 1495 | 10537 | azabala | *
|
| 1496 | * TODO Construir instancias de DwgLayer a partir de las entradas
|
||
| 1497 | * de la tabla de layers, e indexarlas con un handle igual a su orden
|
||
| 1498 | 10481 | azabala | * */
|
| 1499 | |||
| 1500 | entity.setLayerHandle(new DwgHandleReference(0x5, layer)); |
||
| 1501 | |||
| 1502 | //TODO El valor de elevation en 12 es comun a todas, en 13 y ulteriores
|
||
| 1503 | //no. ver que se hace
|
||
| 1504 | // entity.setZ(z);
|
||
| 1505 | |||
| 1506 | List xdataAsList = new ArrayList(); |
||
| 1507 | xdataAsList.add(xdata); |
||
| 1508 | entity.setExtendedData(xdataAsList); |
||
| 1509 | |||
| 1510 | //TODO con thickness tenemos el mismo problema que con
|
||
| 1511 | //elevation. En dwg 12 es comun a todos
|
||
| 1512 | // entity.setThickness(th);
|
||
| 1513 | |||
| 1514 | |||
| 1515 | //TODO HANDLES. Tampoco se si en DWG 12 se leen
|
||
| 1516 | 10537 | azabala | //igual que en DWG 13 y posteriores
|
| 1517 | if(handle != null){ |
||
| 1518 | int offset = handle.hashCode();
|
||
| 1519 | DwgHandleReference hdl = new DwgHandleReference(0, offset); |
||
| 1520 | entity.setHandle(hdl); |
||
| 1521 | }else{
|
||
| 1522 | System.out.println("HANDLE A NULL"); |
||
| 1523 | bb.position(crcpos); |
||
| 1524 | short crc = bb.getShort();
|
||
| 1525 | continue;
|
||
| 1526 | } |
||
| 1527 | 10481 | azabala | |
| 1528 | //TODO Idem con el espacio papel o el espacio modelo
|
||
| 1529 | boolean paperSpace = false; |
||
| 1530 | if(paper != 0){ |
||
| 1531 | paperSpace = true;
|
||
| 1532 | } |
||
| 1533 | |||
| 1534 | reader.read(bb, flag, opts, entity); |
||
| 1535 | 10585 | azabala | |
| 1536 | |||
| 1537 | |||
| 1538 | 10481 | azabala | ant = bb.position(); |
| 1539 | if(ant < crcpos){
|
||
| 1540 | bb.position(bb.position() + (crcpos - ant)); |
||
| 1541 | } |
||
| 1542 | short crc = bb.getShort();
|
||
| 1543 | |||
| 1544 | // if(! paperSpace)//TODO solo a?adimos las entidades en espacio modelo????
|
||
| 1545 | dwgFile.addDwgObject(entity); |
||
| 1546 | |||
| 1547 | }//if reader
|
||
| 1548 | 10537 | azabala | else{
|
| 1549 | System.out.println("Reader a NULL. DWG 12 MAL LEIDO"); |
||
| 1550 | System.out.println("kind = " + kind); |
||
| 1551 | bb.position(crcpos); |
||
| 1552 | short crc = bb.getShort();
|
||
| 1553 | continue;
|
||
| 1554 | |||
| 1555 | } |
||
| 1556 | 10421 | azabala | ant = bb.position(); |
| 1557 | 10537 | azabala | // byte[] crc32 = new byte[32];
|
| 1558 | // bb.get(crc32);
|
||
| 1559 | 10515 | azabala | index++; |
| 1560 | 10421 | azabala | }//while
|
| 1561 | 10537 | azabala | byte[] crc32 = new byte[32];//TODO va dentro o fuera del while?? |
| 1562 | bb.get(crc32); |
||
| 1563 | 10421 | azabala | } |
| 1564 | |||
| 1565 | |||
| 1566 | /**
|
||
| 1567 | * @return
|
||
| 1568 | */
|
||
| 1569 | private byte[] getHandle() { |
||
| 1570 | byte[] bytes = null; |
||
| 1571 | bb.order(ByteOrder.nativeOrder());
|
||
| 1572 | byte len = bb.get();
|
||
| 1573 | bytes = new byte[len]; |
||
| 1574 | bb.get(bytes); |
||
| 1575 | return bytes;
|
||
| 1576 | //Ver si los handles de DWG 12 concurdan con nuestra clase
|
||
| 1577 | //DwgHandleReference
|
||
| 1578 | // return (5, _len) + tuple(_bytes)
|
||
| 1579 | } |
||
| 1580 | |||
| 1581 | |||
| 1582 | |||
| 1583 | /**
|
||
| 1584 | * @return
|
||
| 1585 | */
|
||
| 1586 | private String readXdata() { |
||
| 1587 | String extData = ""; |
||
| 1588 | short xlen = bb.getShort();
|
||
| 1589 | while (xlen > 0){ |
||
| 1590 | byte xval = bb.get();
|
||
| 1591 | xlen--; |
||
| 1592 | if(xval == 0){ |
||
| 1593 | if(xlen < 1) |
||
| 1594 | break;
|
||
| 1595 | byte val = bb.get();
|
||
| 1596 | xlen--; |
||
| 1597 | if(r13){
|
||
| 1598 | if(xlen < 1) |
||
| 1599 | break;
|
||
| 1600 | byte codePage = bb.get();
|
||
| 1601 | xlen--; |
||
| 1602 | }//if r13
|
||
| 1603 | if(xlen < val)
|
||
| 1604 | break;
|
||
| 1605 | byte[] strByte = new byte[val]; |
||
| 1606 | bb.get(strByte); |
||
| 1607 | xlen -= val; |
||
| 1608 | extData += new String(strByte); |
||
| 1609 | }//if xval == 0
|
||
| 1610 | else if(xval == 1 || xval == 3 || xval == 70){ |
||
| 1611 | if(xlen < 2) |
||
| 1612 | break;
|
||
| 1613 | short val = bb.getShort();
|
||
| 1614 | extData += val; |
||
| 1615 | xlen += 2;
|
||
| 1616 | }else if(xval == 2){ |
||
| 1617 | if(xlen < 1) |
||
| 1618 | break;
|
||
| 1619 | byte val = bb.get();
|
||
| 1620 | if(val == 0) |
||
| 1621 | extData += "{";
|
||
| 1622 | else if(val == 1) |
||
| 1623 | extData += "}";
|
||
| 1624 | else
|
||
| 1625 | 10455 | azabala | System.out.println("Byte no esperado:"+val); |
| 1626 | 10421 | azabala | }else if(xval == 5){ |
| 1627 | if(xlen < 8) |
||
| 1628 | break;
|
||
| 1629 | long val = bb.getLong();
|
||
| 1630 | //probably it is an entity handle
|
||
| 1631 | xlen -= 8;
|
||
| 1632 | }else if (xval == 40 || xval == 41 || xval == 42){ |
||
| 1633 | if (xlen < 8) |
||
| 1634 | break;
|
||
| 1635 | double val = bb.getDouble();
|
||
| 1636 | xlen -= 8;
|
||
| 1637 | extData += val; |
||
| 1638 | |||
| 1639 | }else if (xval == 10 || xval == 11 || xval == 12 || xval == 13){ |
||
| 1640 | //13 not in R12 spec, is in R13/R14
|
||
| 1641 | if(xlen < 24) |
||
| 1642 | break;
|
||
| 1643 | Object point = getPoint(true); |
||
| 1644 | extData += point.toString(); |
||
| 1645 | xlen -= 24;
|
||
| 1646 | }else if(xval == 71){ |
||
| 1647 | if (xlen < 4) |
||
| 1648 | break;
|
||
| 1649 | int val = bb.getInt();
|
||
| 1650 | extData += val; |
||
| 1651 | xlen -= 4;
|
||
| 1652 | }else
|
||
| 1653 | xlen = 0;
|
||
| 1654 | return extData;
|
||
| 1655 | } |
||
| 1656 | /*
|
||
| 1657 | |||
| 1658 | |||
| 1659 | |||
| 1660 | elif _xval == 71:
|
||
| 1661 | if _xlen < 4: break
|
||
| 1662 | _val = struct.unpack('<l', handle.read(4))[0]
|
||
| 1663 | _data.append(_val)
|
||
| 1664 | _xlen = _xlen - 4
|
||
| 1665 | else:
|
||
| 1666 | _xlen = 0
|
||
| 1667 | return _data
|
||
| 1668 | * */
|
||
| 1669 | return null; |
||
| 1670 | } |
||
| 1671 | |||
| 1672 | |||
| 1673 | |||
| 1674 | /**
|
||
| 1675 | * @param b
|
||
| 1676 | * @return
|
||
| 1677 | */
|
||
| 1678 | private double[] getPoint(boolean b) { |
||
| 1679 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1680 | double x = bb.getDouble();
|
||
| 1681 | double y = bb.getDouble();
|
||
| 1682 | double z = 0d; |
||
| 1683 | if(b){
|
||
| 1684 | z = bb.getDouble(); |
||
| 1685 | } |
||
| 1686 | return new double[]{x, y, z}; |
||
| 1687 | } |
||
| 1688 | |||
| 1689 | |||
| 1690 | |||
| 1691 | //TODO Que se hacen con los registros que se leen???
|
||
| 1692 | private void readBlockTable(Dwg12Table blockTable) { |
||
| 1693 | short size = blockTable.s1;
|
||
| 1694 | int numRecords = blockTable.i1;
|
||
| 1695 | int start = blockTable.i2;
|
||
| 1696 | bb.position(start); |
||
| 1697 | |||
| 1698 | int end = -1; |
||
| 1699 | |||
| 1700 | for(int i = 0; i < numRecords; i++){ |
||
| 1701 | end = bb.position() + size; |
||
| 1702 | 10481 | azabala | byte flag = bb.get();
|
| 1703 | 10421 | azabala | //TODO No estoy muy seguro de que esto sea
|
| 1704 | //igual que handle.read(32) en Python
|
||
| 1705 | byte[] nameByte = new byte[32]; |
||
| 1706 | bb.get(nameByte); |
||
| 1707 | String name = new String(nameByte); |
||
| 1708 | |||
| 1709 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1710 | |||
| 1711 | short used = bb.getShort();
|
||
| 1712 | 10481 | azabala | byte b1 = bb.get();
|
| 1713 | 10421 | azabala | short w1 = bb.getShort();
|
| 1714 | 10481 | azabala | byte b2 = bb.get();
|
| 1715 | 10421 | azabala | short w2 = bb.getShort();
|
| 1716 | short crc = bb.getShort();
|
||
| 1717 | |||
| 1718 | int offset = end - bb.position();
|
||
| 1719 | if(offset > 0) |
||
| 1720 | bb.position(bb.position() + end); |
||
| 1721 | } |
||
| 1722 | byte[] crc32 = new byte[32]; |
||
| 1723 | bb.get(crc32); |
||
| 1724 | } |
||
| 1725 | |||
| 1726 | 10289 | azabala | public void readHeader(){ |
| 1727 | 10435 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 1728 | short w1 = bb.getShort();
|
||
| 1729 | double[] inBase = getPoint(true); |
||
| 1730 | double[] extMin = getPoint(true); |
||
| 1731 | double[] extMax = getPoint(true); |
||
| 1732 | double[] limMin = getPoint(false); |
||
| 1733 | double[] limMax = getPoint(false); |
||
| 1734 | 10289 | azabala | |
| 1735 | 10435 | azabala | bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 1736 | double vcx = bb.getDouble();
|
||
| 1737 | double vcy = bb.getDouble();
|
||
| 1738 | double d3 = bb.getDouble();
|
||
| 1739 | double d4 = bb.getDouble();
|
||
| 1740 | 10289 | azabala | |
| 1741 | 10435 | azabala | byte b1 = bb.get();
|
| 1742 | byte b2 = bb.get();
|
||
| 1743 | 10289 | azabala | |
| 1744 | 10435 | azabala | double sx = bb.getDouble();
|
| 1745 | double sy = bb.getDouble();
|
||
| 1746 | |||
| 1747 | bb.order(ByteOrder.nativeOrder());
|
||
| 1748 | byte[] b56 = new byte[56]; |
||
| 1749 | bb.get(b56); |
||
| 1750 | |||
| 1751 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1752 | double d7 = bb.getDouble();
|
||
| 1753 | double d8 = bb.getDouble();
|
||
| 1754 | double d9 = bb.getDouble();
|
||
| 1755 | |||
| 1756 | bb.order(ByteOrder.nativeOrder());
|
||
| 1757 | byte[] b18 = new byte[18]; |
||
| 1758 | bb.get(b18); |
||
| 1759 | |||
| 1760 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1761 | double d10 = bb.getDouble();
|
||
| 1762 | |||
| 1763 | int at = bb.position();
|
||
| 1764 | |||
| 1765 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1766 | short w2 = bb.getShort();
|
||
| 1767 | short w3 = bb.getShort();
|
||
| 1768 | |||
| 1769 | bb.order(ByteOrder.nativeOrder());
|
||
| 1770 | byte[] b44 = new byte[44]; |
||
| 1771 | bb.get(b44); |
||
| 1772 | |||
| 1773 | at = bb.position(); |
||
| 1774 | |||
| 1775 | bb.order(ByteOrder.nativeOrder());
|
||
| 1776 | byte[] b354 = new byte[354]; |
||
| 1777 | bb.get(b354); |
||
| 1778 | |||
| 1779 | if( (b354[0] == 0x61) && (b354[1] == 0x63) && (b354[2] == 0x61 ) && (b354[2] == 0x64 )) |
||
| 1780 | System.out.println("Encontrada la cadena 'acad' al comienzo del bloque de 354 bytes"); |
||
| 1781 | |||
| 1782 | bb.position(0x3ef);
|
||
| 1783 | 10289 | azabala | } |
| 1784 | |||
| 1785 | |||
| 1786 | |||
| 1787 | |||
| 1788 | |||
| 1789 | class Dwg12Table{ |
||
| 1790 | short s1;
|
||
| 1791 | int i1;
|
||
| 1792 | int i2;
|
||
| 1793 | } |
||
| 1794 | |||
| 1795 | public Dwg12Table getTable(){
|
||
| 1796 | |||
| 1797 | Dwg12Table solution = null;
|
||
| 1798 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1799 | |||
| 1800 | short s1 = bb.getShort();
|
||
| 1801 | int i1 = bb.getInt();
|
||
| 1802 | int i2 = bb.getInt();
|
||
| 1803 | |||
| 1804 | solution = new Dwg12Table();
|
||
| 1805 | solution.s1 = s1; |
||
| 1806 | solution.i1 = i1; |
||
| 1807 | solution.i2 = i2; |
||
| 1808 | return solution;
|
||
| 1809 | } |
||
| 1810 | |||
| 1811 | |||
| 1812 | class Dwg12TableTest{ |
||
| 1813 | short s1, s2, s3;
|
||
| 1814 | int i1;
|
||
| 1815 | } |
||
| 1816 | public Dwg12TableTest getTableTest(){
|
||
| 1817 | Dwg12TableTest solution = null;
|
||
| 1818 | |||
| 1819 | |||
| 1820 | bb.order(ByteOrder.LITTLE_ENDIAN);
|
||
| 1821 | short s1 = bb.getShort();
|
||
| 1822 | short s2 = bb.getShort();
|
||
| 1823 | short s3 = bb.getShort();
|
||
| 1824 | int i1 = bb.getInt();
|
||
| 1825 | |||
| 1826 | solution = new Dwg12TableTest();
|
||
| 1827 | solution.s1 = s1; |
||
| 1828 | solution.s2 = s2; |
||
| 1829 | solution.s3 = s3; |
||
| 1830 | solution.i1 = i1; |
||
| 1831 | |||
| 1832 | return solution;
|
||
| 1833 | } |
||
| 1834 | |||
| 1835 | /* (non-Javadoc)
|
||
| 1836 | * @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#readObjectHeader(int[], int, com.iver.cit.jdwglib.dwg.DwgObject)
|
||
| 1837 | */
|
||
| 1838 | public int readObjectHeader(int[] data, int offset, DwgObject dwgObject) throws RuntimeException, CorruptedDwgEntityException { |
||
| 1839 | return 0; |
||
| 1840 | } |
||
| 1841 | |||
| 1842 | /* (non-Javadoc)
|
||
| 1843 | * @see com.iver.cit.jdwglib.dwg.readers.IDwgFileReader#readObjectTailer(int[], int, com.iver.cit.jdwglib.dwg.DwgObject)
|
||
| 1844 | */
|
||
| 1845 | public int readObjectTailer(int[] data, int offset, DwgObject dwgObject) throws RuntimeException, CorruptedDwgEntityException { |
||
| 1846 | return 0; |
||
| 1847 | } |
||
| 1848 | |||
| 1849 | } |