root / trunk / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / DwgFile.java @ 10221
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/* jdwglib. Java Library for reading Dwg files.
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*
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* Author: Jose Morell Rama (jose.morell@gmail.com).
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* Port from the Pythoncad Dwg library by Art Haas.
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*
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* Copyright (C) 2005 Jose Morell, IVER TI S.A. 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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* Jose Morell (jose.morell@gmail.com)
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*
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* or
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*
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* IVER TI S.A.
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* C/Salamanca, 50
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* 46005 Valencia
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* Spain
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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; |
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import java.awt.geom.Point2D; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.IOException; |
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import java.nio.ByteBuffer; |
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import java.nio.channels.FileChannel; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.Map; |
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import com.iver.cit.jdwglib.dwg.objects.DwgArc; |
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import com.iver.cit.jdwglib.dwg.objects.DwgAttdef; |
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import com.iver.cit.jdwglib.dwg.objects.DwgAttrib; |
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import com.iver.cit.jdwglib.dwg.objects.DwgBlock; |
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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.DwgEllipse; |
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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.DwgLwPolyline; |
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import com.iver.cit.jdwglib.dwg.objects.DwgMText; |
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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.readers.DwgFileV14Reader; |
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import com.iver.cit.jdwglib.dwg.readers.IDwgFileReader; |
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import com.iver.cit.jdwglib.dwg.readers.DwgFileV15Reader; |
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/**
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* The DwgFile class provides a revision-neutral interface for reading and handling
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* DWG files
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* Reading methods are useful for reading DWG files, and handling methods like
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* calculateDwgPolylines() are useful for handling more complex
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* objects in the DWG file
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*
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* @author jmorell
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* @author azabala
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*/
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public class DwgFile { |
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/**
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* It has all known DWG version's header.
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* Extracted from Autodesk web.
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*/
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private static HashMap acadVersions = new HashMap(); |
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static{
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acadVersions.put("AC1004", "Autocad R9"); |
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acadVersions.put("AC1006", "Autocad R10"); |
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acadVersions.put("AC1007", "Autocad pre-R11"); |
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acadVersions.put("AC1007", "Autocad pre-R11"); |
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acadVersions.put("AC1008", "Autocad pre-R11b"); |
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acadVersions.put("AC1009", "Autocad R12"); |
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acadVersions.put("AC1010", "Autocad pre-R13 a"); |
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acadVersions.put("AC1011", "Autocad pre-R13 b"); |
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acadVersions.put("AC1012", "Autocad R13"); |
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acadVersions.put("AC1013", "Autocad pre-R14"); |
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acadVersions.put("AC1014", "Autocad R14"); |
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acadVersions.put("AC1500", "Autocad pre-2000"); |
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acadVersions.put("AC1015", "Autocad R2000, R2000i, R2002"); |
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acadVersions.put("AC402a", "Autocad pre-2004a"); |
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acadVersions.put("AC402b", "Autocad pre-2004b"); |
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acadVersions.put("AC1018", "Autocad R2004, R2005, R2006"); |
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acadVersions.put("AC1021", "Autocad R2007"); |
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} |
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private String fileName; |
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private String dwgVersion; |
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/**
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* Offsets to the DWG sections
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*/
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private ArrayList dwgSectionOffsets; |
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/**
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* Header vars readed from the HEADER section of the DWG file
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* */
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private Map headerVars; |
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/**
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* This list contains what in OpenDWG specification is called
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* the object map ( a collection of entries where each entry contains
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* the seek of each object, and its size)
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* */
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private ArrayList dwgObjectOffsets; |
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/**
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* For each entry in dwgObjectOffsets, we have an instance of
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* DwgObject in the dwgObjects collection
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*
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* */
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private LinkedList dwgObjects; |
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private HashMap handle_objects; |
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private ArrayList dwgClasses; |
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/**
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* hash map that indexes all DwgLayer objects
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* by its handle property
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* */
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private HashMap layerTable; |
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/**
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* Specific reader of the DWG file version (12, 13, 14, 2000, etc., each
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* version will have an specific reader)
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* */
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private IDwgFileReader dwgReader;
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private boolean dwg3DFile; |
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/**
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* Memory mapped byte buffer of the whole DWG file
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* */
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private ByteBuffer bb; |
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/*
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* Optimizaciones para evitar leer el fichero completo en cada
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* pasada.
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* */
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/**
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* Contains all IDwgPolyline implementations
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* */
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private List dwgPolylines; |
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/**
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* map of blocks dwg entities indexed by their names.
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*/
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private Map names_blocks; |
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/**
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* Constructor.
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* @param fileName an absolute path to the DWG file
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*/
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public DwgFile(String fileName) { |
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this.fileName = fileName;
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dwgSectionOffsets = new ArrayList(); |
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dwgObjectOffsets = new ArrayList(); |
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headerVars = new HashMap(); |
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//TODO Si finalmente no se leen las clases, quitar
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//dwgClasses
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dwgClasses = new ArrayList(); |
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dwgObjects = new LinkedList(); |
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handle_objects = new HashMap(); |
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layerTable = new HashMap(); |
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dwgPolylines = new ArrayList(); |
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names_blocks = new HashMap(); |
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} |
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public String getDwgVersion() { |
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return dwgVersion;
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} |
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/**
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* Reads a DWG file and put its objects in the dwgObjects Vector
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* This method is version independent
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*
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* @throws IOException If the file location is wrong
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*/
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public void read() throws IOException, |
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DwgVersionNotSupportedException |
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{ |
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setDwgVersion(); |
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//System.out.println("VERSION = "+dwgVersion);
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if (dwgVersion.equalsIgnoreCase("Autocad R2000, R2000i, R2002")) { |
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dwgReader = new DwgFileV15Reader();
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}else if (dwgVersion.equalsIgnoreCase("Autocad pre-R14")|| |
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dwgVersion.equalsIgnoreCase("Autocad R14") ||
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dwgVersion.equalsIgnoreCase("Autocad R13")) {
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dwgReader = new DwgFileV14Reader();
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} else {
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DwgVersionNotSupportedException exception = |
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new DwgVersionNotSupportedException("Version de DWG no soportada"); |
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exception.setDwgVersion(dwgVersion); |
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throw exception;
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} |
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dwgReader.read(this, bb);
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} |
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private void setDwgVersion() throws IOException { |
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File file = new File(fileName); |
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FileInputStream fileInputStream = new FileInputStream(file); |
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FileChannel fileChannel = fileInputStream.getChannel();
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long channelSize = fileChannel.size();
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bb = fileChannel.map(FileChannel.MapMode.READ_ONLY, 0, channelSize); |
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byte[] versionBytes = {bb.get(0), |
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bb.get(1),
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bb.get(2),
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bb.get(3),
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bb.get(4),
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bb.get(5)};
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ByteBuffer versionByteBuffer = ByteBuffer.wrap(versionBytes); |
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String[] bs = new String[versionByteBuffer.capacity()]; |
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String versionString = ""; |
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for (int i=0; i<versionByteBuffer.capacity(); i++) { |
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bs[i] = new String(new byte[]{(byte)(versionByteBuffer.get(i))}); |
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versionString = versionString + bs[i]; |
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} |
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String version = (String) acadVersions.get(versionString); |
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if(version == null) |
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version = "Unknown Dwg format";
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this.dwgVersion = version;
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} |
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public void setHeader(String key, Object value){ |
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headerVars.put(key, value); |
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} |
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/**
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* Initialize a new Vector that contains the DWG file layers.
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* Each layer have three parameters.
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* These parameters are handle, name and color
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*/
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// public void initializeLayerTable() {
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// layerTable = new ArrayList();
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// for (int i=0;i<dwgObjects.size();i++) {
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// DwgObject obj = (DwgObject)dwgObjects.get(i);
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// if (obj instanceof DwgLayer) {
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// ArrayList layerTableRecord = new ArrayList();
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// layerTableRecord.add(new Integer(obj.getHandle()));
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// layerTableRecord.add(((DwgLayer)obj).getName());
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// layerTableRecord.add(new Integer(((DwgLayer)obj).getColor()));
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// layerTable.add(layerTableRecord);
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// }
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// }
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// }
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/*
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* A DwgLayer is a DWG drawing entity, so all DwgLayer objects are
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* saved in dwgObjects collection.
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* Instead of iterate over the full collection, is faster check every object
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* and save all the DwgLayer instances in their own collection.
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*
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*/
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public void addDwgLayer(DwgLayer dwgLayer){ |
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layerTable.put(new Integer(dwgLayer.getHandle().getOffset()), |
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dwgLayer); |
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} |
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private void printInfoOfAObject (DwgObject entity){ |
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// TODO: Eliminar este metodo cuando terminemos de depurar
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System.out.println("index = "+entity.getIndex() + " entity.type = " + entity.type + " entityClassName = "+ entity.getClass().getName()); |
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System.out.println ("handleCode = "+entity.getHandle().getCode()); |
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System.out.println ("entityLayerHandle = "+entity.getHandle().getOffset()); |
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if(entity.hasLayerHandle()){
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System.out.println ("layerHandleCode = "+entity.getLayerHandle().getCode()); |
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System.out.println ("layerHandle = "+entity.getLayerHandle().getOffset()); |
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} |
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if(entity.hasSubEntityHandle()){
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System.out.println ("subEntityHandleCode = "+entity.getSubEntityHandle().getCode()); |
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System.out.println ("subEntityHandle = "+entity.getSubEntityHandle().getOffset()); |
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} |
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if(entity.hasNextHandle()){
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System.out.println ("nextHandleCode = "+entity.getNextHandle().getCode()); |
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System.out.println ("nextHandle = "+entity.getNextHandle().getOffset()); |
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} |
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if(entity.hasPreviousHandle()){
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System.out.println ("previousHandleCode = "+entity.getPreviousHandle().getCode()); |
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System.out.println ("previousHandle = "+entity.getPreviousHandle().getOffset()); |
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} |
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if(entity.hasXDicObjHandle()){
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System.out.println ("xDicObjHandleCode = "+entity.getXDicObjHandle()); |
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System.out.println ("xDicObjHandle = "+entity.getXDicObjHandle()); |
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} |
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if(entity.hasReactorsHandles()){
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ArrayList reactorsHandles = entity.getReactorsHandles();
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int size = reactorsHandles.size();
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System.out.print ("NUMERO DE reactors = "+size); |
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DwgHandleReference hr; |
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for(int i=0; i<size; i++){ |
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hr=(DwgHandleReference)reactorsHandles.get(i); |
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System.out.print ("reactorHandleCode = "+hr.getCode()); |
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System.out.println (" reactorHandle = "+hr.getOffset()); |
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} |
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} |
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} |
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public DwgLayer getDwgLayer(DwgObject entity){
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DwgHandleReference handle = entity.getLayerHandle(); |
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if(handle == null){ |
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// System.out.print("Entidad con layer handle a null (debe ser una LwPolyline) ==> ");
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// System.out.println(entity.getClass().getName());
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//TODO Ver que hacemos con estas entidades (lanzan excepcion antes de hacer readTailer)
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return null; |
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} |
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int handleCode = handle.getCode();
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int entityLayerHandle = entity.getLayerHandle().getOffset();
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int layerHandle = -1; |
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int entityRecord;
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DwgObject object; |
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/*
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* OpenDWG spec, v3, page 11. HANDLE REFERENCES
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*
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* A handle is formed by this fields:
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* a) CODE (4 bits)
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* b) COUNTER (4 bits)
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* c) OFFSET of the object (handle itself).
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*
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* CODE could take these values:
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* 1) 0x2, 0x3, 0x4, 0x5 -> offset is the handle of the layer
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* 2) 0x6 -> offset is the next object handle
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* 3) 0x8 -> offset is the previous object handle
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* 4) 0xA -> result is reference handle plus offset
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* 5) 0xC -> result is reference handle minus offset
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*
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* */
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// FIXME: Esto no esta terminado. Falta considerar los codigo
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// 0x2, 0x3, 0x6, 0xA que no han aparecido en los archivos de prueba.
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switch(handleCode){
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case 0x4: |
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if (entity.hasNextHandle()){
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int nextHandleCode = entity.getNextHandle().getCode();
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if (nextHandleCode == 0x5) { |
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layerHandle = entity.getNextHandle().getOffset(); |
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} else {
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//TODO: No se han previsto nextHandleCode != 0x5
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// System.out.println ("DwgFile.getDwgLayer: handleCode "+handleCode+
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// " con nextHandleCode "+ nextHandleCode +" no implementado.");
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} |
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} else {
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layerHandle = entity.getLayerHandle().getOffset(); |
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} |
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break;
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case 0x5: |
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layerHandle = entity.getLayerHandle().getOffset(); |
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break;
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case 0x8: |
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if (entity.hasNextHandle()){
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int nextHandleCode = entity.getNextHandle().getCode();
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if (nextHandleCode == 0x5) { |
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layerHandle = entity.getNextHandle().getOffset(); |
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} else {
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//TODO No se han previsto nextHandleCode != 0x5
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// System.out.println ("DwgFile.getDwgLayer: handleCode "+handleCode+
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// " con nextHandleCode "+ nextHandleCode +" no implementado.");
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} |
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} else {
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layerHandle = entity.getHandle().getOffset() - 1;
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} |
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break;
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case 0xC: |
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if (entity.hasNextHandle()){
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int nextHandleCode = entity.getNextHandle().getCode();
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if (nextHandleCode == 0x5) { |
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layerHandle = entity.getNextHandle().getOffset(); |
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} else {
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//TODO: No se han previsto nextHandleCode != 0x5
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// System.out.println ("DwgFile.getDwgLayer: handleCode "+handleCode+
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// " con nextHandleCode "+ nextHandleCode +" no implementado.");
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} |
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} else {
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layerHandle = entity.getHandle().getOffset() - entity.getLayerHandle().getOffset() + 1;
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} |
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break;
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default:
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// System.out.println ("DwgFile.getDwgLayer: handleCode "+handleCode+" no implementado. entityLayerHandle="+entityLayerHandle);
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} |
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if(layerHandle != -1){ |
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Iterator lyrIterator = layerTable.values().iterator();
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while(lyrIterator.hasNext()){
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DwgLayer lyr = (DwgLayer) lyrIterator.next(); |
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int lyrHdl = lyr.getHandle().getOffset();
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if (lyrHdl == layerHandle){
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return lyr;
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} |
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} |
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} |
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// System.out.println("NO SE HA ENCONTRADO UNA CAPA CON HANDLE " + layerHandle);
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// printInfoOfAObject(entity);
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return null; |
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} |
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public String getLayerName(DwgObject entity) { |
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DwgLayer dwgLayer = getDwgLayer(entity); |
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if(dwgLayer == null){//TODO Puede haber entidades sin layer??? |
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return ""; |
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}else{
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return dwgLayer.getName();
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} |
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} |
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/**
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* Returns the color of the layer of a DWG object
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*
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* @param entity DWG object which we want to know its layer color
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* @return int Layer color of the DWG object in the Autocad color code
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*/
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public int getColorByLayer(DwgObject entity) { |
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int colorByLayer;
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DwgLayer dwgLyr = getDwgLayer(entity); |
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if(dwgLyr == null) |
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colorByLayer = 0;
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else
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colorByLayer = dwgLyr.getColor(); |
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return colorByLayer;
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} |
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//azabala: esto ahora se hace conforme se van creando los objetos
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//(y no al final en una segunda pasada
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// public void applyExtrusions() {
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// for (int i=0;i<dwgObjects.size();i++) {
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// DwgObject dwgObject = (DwgObject)dwgObjects.get(i);
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// if(dwgObject instanceof IDwgExtrusionable){
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// ((IDwgExtrusionable)dwgObject).applyExtrussion();
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// }
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// // Seems that Autocad don't apply the extrusion to Ellipses
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// /*} else if (dwgObject instanceof DwgEllipse) {
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// double[] ellipseCenter = ((DwgEllipse)dwgObject).getCenter();
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// double[] ellipseExt = ((DwgEllipse)dwgObject).getExtrusion();
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// ellipseCenter = AcadExtrusionCalculator.CalculateAcadExtrusion(ellipseCenter, ellipseExt);
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// ((DwgEllipse)dwgObject).setCenter(ellipseCenter);*/
|
472 |
// }//for
|
473 |
// }
|
474 |
|
475 |
/**
|
476 |
* Configure the geometry of the polylines in a DWG file from the vertex list in
|
477 |
* this DWG file. This geometry is given by an array of Points.
|
478 |
* Besides, manage closed polylines and polylines with bulges in a GIS Data model.
|
479 |
* It means that the arcs of the polylines will be done through a set of points and
|
480 |
* a distance between these points.
|
481 |
*/
|
482 |
public void calculateGisModelDwgPolylines() { |
483 |
/*
|
484 |
* Ahora mismo esto se est? haciendo al final (en una segunda pasada)
|
485 |
* porque posiblemente una Linea requiera de vertices que vengan
|
486 |
* despues, lo que complicar?a bastante todo....
|
487 |
* */
|
488 |
|
489 |
// for (int i=0;i<dwgObjects.size();i++) {
|
490 |
for (int i = 0; i < dwgPolylines.size(); i++){ |
491 |
// DwgObject pol = (DwgObject)dwgObjects.get(i);
|
492 |
DwgObject pol = (DwgObject)dwgPolylines.get(i); |
493 |
if (pol instanceof IDwgPolyline) { |
494 |
// ((IDwgPolyline)pol).calculateGisModel(dwgObjects);
|
495 |
((IDwgPolyline)pol).calculateGisModel(this);
|
496 |
} |
497 |
} |
498 |
} |
499 |
|
500 |
/**
|
501 |
* Configure the geometry of the polylines in a DWG file from the vertex list in
|
502 |
* this DWG file. This geometry is given by an array of Points
|
503 |
* Besides, manage closed polylines and polylines with bulges in a GIS Data model.
|
504 |
* It means that the arcs of the polylines will be done through a curvature
|
505 |
* parameter called bulge associated with the points of the polyline.
|
506 |
*/
|
507 |
//TODO Refactorizar para que solo se aplique a las Polilineas
|
508 |
public void calculateCadModelDwgPolylines() { |
509 |
for (int i=0;i<dwgObjects.size();i++) { |
510 |
DwgObject pol = (DwgObject)dwgObjects.get(i); |
511 |
if (pol instanceof DwgPolyline2D) { |
512 |
int flags = ((DwgPolyline2D)pol).getFlags();
|
513 |
int firstHandle = ((DwgPolyline2D)pol).getFirstVertexHandle().getOffset();
|
514 |
int lastHandle = ((DwgPolyline2D)pol).getLastVertexHandle().getOffset();
|
515 |
ArrayList pts = new ArrayList(); |
516 |
ArrayList bulges = new ArrayList(); |
517 |
double[] pt = new double[3]; |
518 |
for (int j=0;j<dwgObjects.size();j++) { |
519 |
DwgObject firstVertex = (DwgObject)dwgObjects.get(j); |
520 |
if (firstVertex instanceof DwgVertex2D) { |
521 |
int vertexHandle = firstVertex.getHandle().getOffset();
|
522 |
if (vertexHandle==firstHandle) {
|
523 |
int k=0; |
524 |
while (true) { |
525 |
DwgObject vertex = (DwgObject)dwgObjects.get(j+k); |
526 |
int vHandle = vertex.getHandle().getOffset();
|
527 |
if (vertex instanceof DwgVertex2D) { |
528 |
pt = ((DwgVertex2D)vertex).getPoint(); |
529 |
pts.add(new Point2D.Double(pt[0], pt[1])); |
530 |
double bulge = ((DwgVertex2D)vertex).getBulge();
|
531 |
bulges.add(new Double(bulge)); |
532 |
k++; |
533 |
if (vHandle==lastHandle && vertex instanceof DwgVertex2D) { |
534 |
break;
|
535 |
} |
536 |
} else if (vertex instanceof DwgSeqend) { |
537 |
break;
|
538 |
} |
539 |
} |
540 |
} |
541 |
} |
542 |
} |
543 |
if (pts.size()>0) { |
544 |
/*Point2D[] newPts = new Point2D[pts.size()];
|
545 |
if ((flags & 0x1)==0x1) {
|
546 |
newPts = new Point2D[pts.size()+1];
|
547 |
for (int j=0;j<pts.size();j++) {
|
548 |
newPts[j] = (Point2D)pts.get(j);
|
549 |
}
|
550 |
newPts[pts.size()] = (Point2D)pts.get(0);
|
551 |
bulges.add(new Double(0));
|
552 |
} else {
|
553 |
for (int j=0;j<pts.size();j++) {
|
554 |
newPts[j] = (Point2D)pts.get(j);
|
555 |
}
|
556 |
}*/
|
557 |
double[] bs = new double[bulges.size()]; |
558 |
for (int j=0;j<bulges.size();j++) { |
559 |
bs[j] = ((Double)bulges.get(j)).doubleValue();
|
560 |
} |
561 |
((DwgPolyline2D)pol).setBulges(bs); |
562 |
//Point2D[] points = GisModelCurveCalculator.calculateGisModelBulge(newPts, bs);
|
563 |
Point2D[] points = new Point2D[pts.size()]; |
564 |
for (int j=0;j<pts.size();j++) { |
565 |
points[j] = (Point2D)pts.get(j);
|
566 |
} |
567 |
((DwgPolyline2D)pol).setPts(points); |
568 |
} else {
|
569 |
// System.out.println("Encontrada polil?nea sin puntos ...");
|
570 |
// TODO: No se debe mandar nunca una polil?nea sin puntos, si esto
|
571 |
// ocurre es porque existe un error que hay que corregir ...
|
572 |
} |
573 |
} else if (pol instanceof DwgPolyline3D) { |
574 |
} else if (pol instanceof DwgLwPolyline && ((DwgLwPolyline)pol).getVertices()!=null) { |
575 |
} |
576 |
} |
577 |
} |
578 |
|
579 |
/**
|
580 |
* Modify the geometry of the objects contained in the blocks of a DWG file and
|
581 |
* add these objects to the DWG object list.
|
582 |
*
|
583 |
* TODO Revisar los bloques que son XREF
|
584 |
*/
|
585 |
public void blockManagement() { |
586 |
LinkedList dwgObjectsWithoutBlocks = new LinkedList(); |
587 |
boolean addingToBlock = false; |
588 |
try{
|
589 |
for (int i=0; i < dwgObjects.size(); i++) { |
590 |
DwgObject entity = (DwgObject)dwgObjects.get(i); |
591 |
if (entity instanceof DwgArc && !addingToBlock) { |
592 |
dwgObjectsWithoutBlocks.add(entity); |
593 |
} else if (entity instanceof DwgEllipse && !addingToBlock) { |
594 |
dwgObjectsWithoutBlocks.add(entity); |
595 |
} else if (entity instanceof DwgCircle && !addingToBlock) { |
596 |
dwgObjectsWithoutBlocks.add(entity); |
597 |
} else if (entity instanceof DwgPolyline2D && !addingToBlock) { |
598 |
dwgObjectsWithoutBlocks.add(entity); |
599 |
} else if (entity instanceof DwgPolyline3D && !addingToBlock) { |
600 |
dwgObjectsWithoutBlocks.add(entity); |
601 |
} else if (entity instanceof DwgLwPolyline && !addingToBlock) { |
602 |
dwgObjectsWithoutBlocks.add(entity); |
603 |
} else if (entity instanceof DwgSolid && !addingToBlock) { |
604 |
dwgObjectsWithoutBlocks.add(entity); |
605 |
} else if (entity instanceof DwgLine && !addingToBlock) { |
606 |
dwgObjectsWithoutBlocks.add(entity); |
607 |
} else if (entity instanceof DwgPoint && !addingToBlock) { |
608 |
dwgObjectsWithoutBlocks.add(entity); |
609 |
} else if (entity instanceof DwgMText && !addingToBlock) { |
610 |
dwgObjectsWithoutBlocks.add(entity); |
611 |
} else if (entity instanceof DwgText && !addingToBlock) { |
612 |
dwgObjectsWithoutBlocks.add(entity); |
613 |
} else if (entity instanceof DwgAttrib && !addingToBlock) { |
614 |
dwgObjectsWithoutBlocks.add(entity); |
615 |
} else if (entity instanceof DwgAttdef && !addingToBlock) { |
616 |
dwgObjectsWithoutBlocks.add(entity); |
617 |
} else if (entity instanceof DwgBlock) { |
618 |
addingToBlock = true;
|
619 |
} else if (entity instanceof DwgEndblk) { |
620 |
addingToBlock = false;
|
621 |
} else if (entity instanceof DwgBlockHeader) { |
622 |
addingToBlock = true;
|
623 |
} |
624 |
//Segun esto, un insert solo se procesa dentro de un Block (o BlockHeader)
|
625 |
//?Puede haber INSERT fuera de BLOCK-ENDBLK?
|
626 |
else if (entity instanceof DwgInsert && !addingToBlock) { |
627 |
double[] p = ((DwgInsert)entity).getInsertionPoint(); |
628 |
Point2D point = new Point2D.Double(p[0], p[1]); |
629 |
double[] scale = ((DwgInsert)entity).getScale(); |
630 |
double rot = ((DwgInsert)entity).getRotation();
|
631 |
int blockHandle = ((DwgInsert)entity).getBlockHeaderHandle().getOffset();
|
632 |
manageInsert(point, scale, rot, blockHandle, dwgObjectsWithoutBlocks); |
633 |
} else {
|
634 |
// System.out.println(entity.getClass().getName() +" en un bloque");
|
635 |
//Se ha encontrado una entidad rara, o forma parte de un bloque
|
636 |
//y ser? procesada despu?s (con los punteros del propio bloque)
|
637 |
|
638 |
//TODO No se podr?a hacer mas rapido, quitando de la lista original
|
639 |
//las entidades que forman parte de bloque??
|
640 |
} |
641 |
} |
642 |
}catch(RuntimeException re){ |
643 |
re.printStackTrace(); |
644 |
} |
645 |
dwgObjects = dwgObjectsWithoutBlocks; |
646 |
} |
647 |
|
648 |
/**
|
649 |
* Manages an INSERT of a DWG file. This object is the insertion point of a DWG
|
650 |
* block.
|
651 |
*
|
652 |
* @param insPoint, coordinates of the insertion point.
|
653 |
* @param scale, scale of the elements of the block that will be inserted.
|
654 |
* @param rot, rotation angle of the elements of the block.
|
655 |
*
|
656 |
* @param bHandle, offset for the coordinates of the elements of the block.
|
657 |
* @param id, count that serves as a id.
|
658 |
* @param dwgObjectsWithoutBlocks, a object list with the elements extracted from
|
659 |
* the blocks.
|
660 |
*/
|
661 |
public void manageInsert(Point2D insPoint, double[] scale, |
662 |
double rot, int bHandle, |
663 |
List dwgObjectsWithoutBlocks) {
|
664 |
|
665 |
DwgObject object = (DwgObject) handle_objects.get(new Integer(bHandle)); |
666 |
if(object == null){ |
667 |
// System.out.println("No hemos encontrado el BlockHeader cuyo handle es "+bHandle);
|
668 |
return;
|
669 |
}else if(! (object instanceof DwgBlockHeader)){ |
670 |
//Hay un problema con la asignaci?n de handle
|
671 |
//Un INSERT tiene como handle de Block una entidad que no es block
|
672 |
// System.out.println("handle incorrecto." + object.getClass().getName() + " no es un blockheader");
|
673 |
return;
|
674 |
} |
675 |
DwgBlockHeader blockHeader = (DwgBlockHeader)object; |
676 |
double[] bPoint = blockHeader.getBasePoint(); |
677 |
String bname = blockHeader.getName();
|
678 |
if (bname.startsWith("*")) |
679 |
return;
|
680 |
|
681 |
DwgHandleReference firstHdl = blockHeader.getFirstEntityHandle(); |
682 |
DwgHandleReference lastHdl = blockHeader.getLastEntityHandle(); |
683 |
if(firstHdl == null || lastHdl == null){ |
684 |
// System.out.println("Problemas en el bloque "+bname);
|
685 |
// System.out.println("1er obj="+firstHdl+" 2o obj="+lastHdl);
|
686 |
return;
|
687 |
} |
688 |
|
689 |
|
690 |
|
691 |
int firstObjectHandle = firstHdl.getOffset();
|
692 |
int lastObjectHandle = lastHdl.getOffset();
|
693 |
|
694 |
//TODO Ver que hacia el metodo antiguo cuando llegaban handles a 0
|
695 |
//como extremos de un bloque (sera bloque vacio, supongo)
|
696 |
if(firstObjectHandle == 0 || lastObjectHandle == 0){ |
697 |
// System.out.println("Problemas en el bloque "+bname);
|
698 |
// System.out.println("1er obj="+firstObjectHandle+" 2o obj="+lastObjectHandle);
|
699 |
return;
|
700 |
} |
701 |
|
702 |
/*
|
703 |
* Ahora localiza la primera entidad del bloque,
|
704 |
* y a partir de ah?, a?ade
|
705 |
* al bloque todas las entidades que encuentre hasta la
|
706 |
* ?ltima entidad del bloque
|
707 |
*
|
708 |
* */
|
709 |
DwgObject firstObj = (DwgObject) handle_objects. |
710 |
get(new Integer(firstObjectHandle)); |
711 |
DwgObject lastObj = (DwgObject) handle_objects. |
712 |
get(new Integer(lastObjectHandle)); |
713 |
|
714 |
int firstObjIdx = dwgObjects.indexOf(firstObj);
|
715 |
int lastObjIdx = dwgObjects.indexOf(lastObj);
|
716 |
if(firstObjIdx == -1){ |
717 |
// System.out.println("El primer objeto del bloque "+
|
718 |
// blockHeader.getName()+
|
719 |
// " no ha sido localizado a partir del handle "+
|
720 |
// firstObjectHandle);
|
721 |
return;
|
722 |
} |
723 |
|
724 |
if(lastObjIdx == -1){ |
725 |
// System.out.println("El ultimo objeto del bloque "+
|
726 |
// blockHeader.getName()+
|
727 |
// " no ha sido localizado a partir del handle "+
|
728 |
// lastObjectHandle);
|
729 |
|
730 |
//Intentamos ver si como delimitador final de bloque aparece EndBlk
|
731 |
LinkedList tempDwgObj = new LinkedList(); |
732 |
DwgObject scannedEntity = (DwgObject) dwgObjects.get(firstObjIdx); |
733 |
while(! (scannedEntity instanceof DwgEndblk)){ |
734 |
manageBlockEntity(scannedEntity, bPoint, |
735 |
insPoint, scale, rot, |
736 |
tempDwgObj); |
737 |
firstObjIdx++; |
738 |
scannedEntity = (DwgObject) dwgObjects.get(firstObjIdx); |
739 |
if( (scannedEntity instanceof DwgBlock) || |
740 |
(scannedEntity instanceof DwgBlockHeader)){
|
741 |
//No puede haber bloques anidados
|
742 |
//Descartar
|
743 |
// System.out.println("Error, aparecen bloques anidados");
|
744 |
return;
|
745 |
} |
746 |
}//while
|
747 |
if(tempDwgObj.size() > 0) |
748 |
dwgObjectsWithoutBlocks.addAll(tempDwgObj); |
749 |
return;
|
750 |
|
751 |
}//if
|
752 |
for(int i = firstObjIdx; i <= lastObjIdx; i++){ |
753 |
DwgObject obj = (DwgObject) dwgObjects.get(i); |
754 |
manageBlockEntity(obj, bPoint, |
755 |
insPoint, scale, |
756 |
rot, dwgObjectsWithoutBlocks); |
757 |
}//for
|
758 |
} |
759 |
|
760 |
public int getIndexOf(DwgObject dwgObject){ |
761 |
return dwgObjects.indexOf(dwgObject);
|
762 |
|
763 |
|
764 |
} |
765 |
|
766 |
|
767 |
|
768 |
/**
|
769 |
* Changes the location of an object extracted from a block. This location will be
|
770 |
* obtained through the insertion parameters from the block and the corresponding
|
771 |
* insert.
|
772 |
* @param entity, the entity extracted from the block.
|
773 |
* @param bPoint, offset for the coordinates of the entity.
|
774 |
* @param insPoint, coordinates of the insertion point for the entity.
|
775 |
* @param scale, scale for the entity.
|
776 |
* @param rot, rotation angle for the entity.
|
777 |
* @param id, a count as a id.
|
778 |
* @param dwgObjectsWithoutBlocks, a object list with the elements extracted from
|
779 |
* the blocks.
|
780 |
*/
|
781 |
private void manageBlockEntity(DwgObject entity, |
782 |
double[] bPoint, |
783 |
Point2D insPoint,
|
784 |
double[] scale, |
785 |
double rot,
|
786 |
List dwgObjectsWithoutBlocks) {
|
787 |
|
788 |
if(entity instanceof IDwgBlockMember){ |
789 |
IDwgBlockMember blockMember = (IDwgBlockMember)entity; |
790 |
blockMember.transform2Block(bPoint, insPoint, scale, rot, dwgObjectsWithoutBlocks, this);
|
791 |
}else{
|
792 |
//TODO REIMPLEMENTAR ENTIDADES QUE PUEDEN FORMAR PARTE DE BLOQUES.
|
793 |
//POR EJEMPLO: DwgText y DwgMText pueden formar parte
|
794 |
//de bloques, y de hecho, est?n apareciendo
|
795 |
|
796 |
// System.out.println(entity.getClass().getName()+" dentro de un bloque");
|
797 |
} |
798 |
} |
799 |
|
800 |
|
801 |
/*
|
802 |
* azabala: Esto ahora se hace mientras las entidades dwg
|
803 |
* se van creando, y no en una segunda pasada
|
804 |
* */
|
805 |
/*
|
806 |
public void testDwg3D() {
|
807 |
for (int i=0;i<dwgObjects.size();i++) {
|
808 |
DwgObject obj = (DwgObject)dwgObjects.get(i);
|
809 |
|
810 |
if(obj instanceof IDwg3DTestable){
|
811 |
if(((IDwg3DTestable)obj).has3DData())
|
812 |
dwg3DFile = true;
|
813 |
return;
|
814 |
}
|
815 |
|
816 |
//} else if (obj instanceof DwgLinearDimension) {
|
817 |
// z = ((DwgLinearDimension)obj).getElevation();
|
818 |
// if (z!=0.0) dwg3DFile = true;
|
819 |
}//for
|
820 |
dwg3DFile = false;
|
821 |
}
|
822 |
*/
|
823 |
|
824 |
/**
|
825 |
* Add a DWG section offset to the dwgSectionOffsets vector
|
826 |
*
|
827 |
* @param key Define the DWG section
|
828 |
* @param seek Offset of the section
|
829 |
* @param size Size of the section
|
830 |
*/
|
831 |
public void addDwgSectionOffset(String key, int seek, int size) { |
832 |
DwgSectionOffset dso = new DwgSectionOffset(key, seek, size);
|
833 |
dwgSectionOffsets.add(dso); |
834 |
} |
835 |
|
836 |
/**
|
837 |
* Returns the offset of DWG section given by its key
|
838 |
*
|
839 |
* @param key Define the DWG section
|
840 |
* @return int Offset of the section in the DWG file
|
841 |
*/
|
842 |
public int getDwgSectionOffset(String key) { |
843 |
int offset = 0; |
844 |
for (int i=0; i<dwgSectionOffsets.size(); i++) { |
845 |
DwgSectionOffset dso = (DwgSectionOffset)dwgSectionOffsets.get(i); |
846 |
String ikey = dso.getKey();
|
847 |
if (key.equals(ikey)) {
|
848 |
offset = dso.getSeek(); |
849 |
break;
|
850 |
} |
851 |
} |
852 |
return offset;
|
853 |
} |
854 |
|
855 |
/**
|
856 |
* Add a DWG object offset to the dwgObjectOffsets vector
|
857 |
*
|
858 |
* @param handle Object handle
|
859 |
* @param offset Offset of the object data in the DWG file
|
860 |
*/
|
861 |
public void addDwgObjectOffset(int handle, int offset) { |
862 |
DwgObjectOffset doo = new DwgObjectOffset(handle, offset);
|
863 |
dwgObjectOffsets.add(doo); |
864 |
} |
865 |
|
866 |
/**
|
867 |
*
|
868 |
* Add a DWG object to the dwgObject vector
|
869 |
*
|
870 |
* @param dwgObject DWG object
|
871 |
*/
|
872 |
public void addDwgObject(DwgObject dwgObject){ |
873 |
//TODO Ver si puedo inicializar las listas especificas
|
874 |
//(IDwgPolyline, etc) aqu?
|
875 |
dwgObjects.add(dwgObject); |
876 |
handle_objects.put(new Integer(dwgObject.getHandle().getOffset()), dwgObject); |
877 |
/*
|
878 |
* TODO Quitar todos estos if-then y sustituirlos por un metodo callbackj
|
879 |
*
|
880 |
*
|
881 |
* (dwgObject.init(this), y que cada objeto haga lo que tenga que hacer
|
882 |
* */
|
883 |
if(dwgObject instanceof DwgLayer){ |
884 |
this.addDwgLayer((DwgLayer) dwgObject);
|
885 |
} |
886 |
if(dwgObject instanceof IDwgExtrusionable){ |
887 |
((IDwgExtrusionable)dwgObject).applyExtrussion(); |
888 |
} |
889 |
if(dwgObject instanceof IDwgPolyline){ |
890 |
dwgPolylines.add(dwgObject); |
891 |
} |
892 |
if(dwgObject instanceof IDwg3DTestable){ |
893 |
if(! dwg3DFile){//if its true, we dont check again |
894 |
dwg3DFile = ((IDwg3DTestable)dwgObject).has3DData(); |
895 |
} |
896 |
} |
897 |
|
898 |
if(dwgObject instanceof DwgBlock){ |
899 |
DwgBlock block = (DwgBlock) dwgObject; |
900 |
names_blocks.put(block.getName(), block); |
901 |
} |
902 |
|
903 |
|
904 |
} |
905 |
|
906 |
/**
|
907 |
* Returns dwgObjects from its insertion order (position
|
908 |
* in the dwg file)
|
909 |
*
|
910 |
* @param index order in the dwg file
|
911 |
* @return position
|
912 |
* */
|
913 |
public DwgObject getDwgObject(int index){ |
914 |
return (DwgObject) dwgObjects.get(index);
|
915 |
} |
916 |
|
917 |
public DwgObject getDwgObjectFromHandle(int handle){ |
918 |
return (DwgObject) handle_objects.get(new Integer(handle)); |
919 |
} |
920 |
|
921 |
/**
|
922 |
* Add a DWG class to the dwgClasses vector
|
923 |
*
|
924 |
* @param dwgClass DWG class
|
925 |
*/
|
926 |
public void addDwgClass(DwgClass dwgClass){ |
927 |
dwgClasses.add(dwgClass); |
928 |
} |
929 |
|
930 |
public void printClasses(){ |
931 |
System.out.println("#### CLASSES ####"); |
932 |
for(int i = 0; i < dwgClasses.size(); i++){ |
933 |
DwgClass clazz = (DwgClass) dwgClasses.get(i); |
934 |
System.out.println(clazz.toString());
|
935 |
} |
936 |
System.out.println("#############"); |
937 |
} |
938 |
|
939 |
public List getDwgClasses(){ |
940 |
return dwgClasses;
|
941 |
} |
942 |
|
943 |
/**
|
944 |
* @return Returns the dwgObjectOffsets.
|
945 |
*/
|
946 |
public ArrayList getDwgObjectOffsets() { |
947 |
return dwgObjectOffsets;
|
948 |
} |
949 |
/**
|
950 |
* @return Returns the dwgObjects.
|
951 |
*/
|
952 |
public LinkedList getDwgObjects() { |
953 |
return dwgObjects;
|
954 |
} |
955 |
/**
|
956 |
* @return Returns the fileName.
|
957 |
*/
|
958 |
public String getFileName() { |
959 |
return fileName;
|
960 |
} |
961 |
/**
|
962 |
* @return Returns the dwg3DFile.
|
963 |
*/
|
964 |
public boolean isDwg3DFile() { |
965 |
return dwg3DFile;
|
966 |
} |
967 |
/**
|
968 |
* @param dwg3DFile The dwg3DFile to set.
|
969 |
*/
|
970 |
public void setDwg3DFile(boolean dwg3DFile) { |
971 |
this.dwg3DFile = dwg3DFile;
|
972 |
} |
973 |
} |