svn-gvsig-desktop / trunk / libraries / libDwg / src / com / iver / cit / jdwglib / dwg / DwgFile.java @ 10386
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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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/**
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* Path and name of the dwg file
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* */
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private String fileName; |
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/**
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* DWG version of the file (AC1013, AC1018, etc.)
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* */
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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 List 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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* Contains all INSERT entities of the dwg file
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* (these entities must be processed in a second pass)
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*
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* */
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private List insertList; |
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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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dwgClasses = new ArrayList(); |
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dwgObjects = new ArrayList(); |
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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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insertList = new ArrayList(); |
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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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* 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 DwgObject getDwgSuperEntity(DwgObject entity) {
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if(entity.hasSubEntityHandle()){
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int handleCode = entity.subEntityHandle.getCode();
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int offset = entity.subEntityHandle.getOffset();
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int handle = -1; |
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DwgObject object; |
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|
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switch(handleCode){
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// TODO: case 0x2:
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// TODO: case 0x3:
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case 0x4: |
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case 0x5: |
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handle = offset; |
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break;
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// TODO: case 0x6:
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case 0x8: |
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handle=entity.getHandle().getOffset() - 1;
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break;
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case 0xA: |
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handle = entity.getHandle().getOffset() + offset; |
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break;
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case 0xC: |
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handle = entity.getHandle().getOffset() - offset; |
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break;
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default:
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System.out.println ("DwgObject.getDwgSuperEntity: handleCode "+handleCode+" no implementado. offset = "+offset); |
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} |
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if(handle != -1){ |
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object = getDwgObjectFromHandle(handle); |
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if(object != null) |
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return object;
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} |
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// System.out.println(" NO SE HA ENCONTRADO UN OBJETO CON HANDLE " + handle + ". handleCode = " + handleCode + " dwgObject.index = "+entity.index +" dwgObject.type = " + entity.type + " dwgObjectClassName = "+ entity.getClass().getName());
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} |
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return null; |
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} |
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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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/**
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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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/**
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* Configure the geometry of the polylines in a DWG file from the vertex list in
|
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* this DWG file. This geometry is given by an array of Points.
|
476 |
* Besides, manage closed polylines and polylines with bulges in a GIS Data model.
|
477 |
* It means that the arcs of the polylines will be done through a set of points and
|
478 |
* a distance between these points.
|
479 |
*/
|
480 |
public void calculateGisModelDwgPolylines() { |
481 |
/*
|
482 |
* Ahora mismo esto se est? haciendo al final (en una segunda pasada)
|
483 |
* porque posiblemente una Linea requiera de vertices que vengan
|
484 |
* despues, lo que complicar?a bastante todo....
|
485 |
* */
|
486 |
|
487 |
for (int i = 0; i < dwgPolylines.size(); i++){ |
488 |
DwgObject pol = (DwgObject)dwgPolylines.get(i); |
489 |
if (pol instanceof IDwgPolyline) { |
490 |
((IDwgPolyline)pol).calculateGisModel(this);
|
491 |
} |
492 |
} |
493 |
} |
494 |
|
495 |
/**
|
496 |
* Configure the geometry of the polylines in a DWG file from the vertex list in
|
497 |
* this DWG file. This geometry is given by an array of Points
|
498 |
* Besides, manage closed polylines and polylines with bulges in a GIS Data model.
|
499 |
* It means that the arcs of the polylines will be done through a curvature
|
500 |
* parameter called bulge associated with the points of the polyline.
|
501 |
*/
|
502 |
//TODO Refactorizar para que solo se aplique a las Polilineas
|
503 |
public void calculateCadModelDwgPolylines() { |
504 |
for (int i=0;i<dwgObjects.size();i++) { |
505 |
DwgObject pol = (DwgObject)dwgObjects.get(i); |
506 |
if (pol instanceof DwgPolyline2D) { |
507 |
int flags = ((DwgPolyline2D)pol).getFlags();
|
508 |
int firstHandle = ((DwgPolyline2D)pol).getFirstVertexHandle().getOffset();
|
509 |
int lastHandle = ((DwgPolyline2D)pol).getLastVertexHandle().getOffset();
|
510 |
ArrayList pts = new ArrayList(); |
511 |
ArrayList bulges = new ArrayList(); |
512 |
double[] pt = new double[3]; |
513 |
for (int j=0;j<dwgObjects.size();j++) { |
514 |
DwgObject firstVertex = (DwgObject)dwgObjects.get(j); |
515 |
if (firstVertex instanceof DwgVertex2D) { |
516 |
int vertexHandle = firstVertex.getHandle().getOffset();
|
517 |
if (vertexHandle==firstHandle) {
|
518 |
int k=0; |
519 |
while (true) { |
520 |
DwgObject vertex = (DwgObject)dwgObjects.get(j+k); |
521 |
int vHandle = vertex.getHandle().getOffset();
|
522 |
if (vertex instanceof DwgVertex2D) { |
523 |
pt = ((DwgVertex2D)vertex).getPoint(); |
524 |
pts.add(new Point2D.Double(pt[0], pt[1])); |
525 |
double bulge = ((DwgVertex2D)vertex).getBulge();
|
526 |
bulges.add(new Double(bulge)); |
527 |
k++; |
528 |
if (vHandle==lastHandle && vertex instanceof DwgVertex2D) { |
529 |
break;
|
530 |
} |
531 |
} else if (vertex instanceof DwgSeqend) { |
532 |
break;
|
533 |
} |
534 |
} |
535 |
} |
536 |
} |
537 |
} |
538 |
if (pts.size()>0) { |
539 |
/*Point2D[] newPts = new Point2D[pts.size()];
|
540 |
if ((flags & 0x1)==0x1) {
|
541 |
newPts = new Point2D[pts.size()+1];
|
542 |
for (int j=0;j<pts.size();j++) {
|
543 |
newPts[j] = (Point2D)pts.get(j);
|
544 |
}
|
545 |
newPts[pts.size()] = (Point2D)pts.get(0);
|
546 |
bulges.add(new Double(0));
|
547 |
} else {
|
548 |
for (int j=0;j<pts.size();j++) {
|
549 |
newPts[j] = (Point2D)pts.get(j);
|
550 |
}
|
551 |
}*/
|
552 |
double[] bs = new double[bulges.size()]; |
553 |
for (int j=0;j<bulges.size();j++) { |
554 |
bs[j] = ((Double)bulges.get(j)).doubleValue();
|
555 |
} |
556 |
((DwgPolyline2D)pol).setBulges(bs); |
557 |
//Point2D[] points = GisModelCurveCalculator.calculateGisModelBulge(newPts, bs);
|
558 |
Point2D[] points = new Point2D[pts.size()]; |
559 |
for (int j=0;j<pts.size();j++) { |
560 |
points[j] = (Point2D)pts.get(j);
|
561 |
} |
562 |
((DwgPolyline2D)pol).setPts(points); |
563 |
} else {
|
564 |
// System.out.println("Encontrada polil?nea sin puntos ...");
|
565 |
// TODO: No se debe mandar nunca una polil?nea sin puntos, si esto
|
566 |
// ocurre es porque existe un error que hay que corregir ...
|
567 |
} |
568 |
} else if (pol instanceof DwgPolyline3D) { |
569 |
} else if (pol instanceof DwgLwPolyline && ((DwgLwPolyline)pol).getVertices()!=null) { |
570 |
} |
571 |
} |
572 |
} |
573 |
|
574 |
public void blockManagement2(){ |
575 |
//once we have read all dwg entities, we look for all of them
|
576 |
//that has a superentity that is a block (to fill in the entity list
|
577 |
//of each block
|
578 |
Iterator it = dwgObjects.iterator();
|
579 |
int i = 0; |
580 |
while(it.hasNext()){
|
581 |
DwgObject entity = (DwgObject)it.next(); |
582 |
DwgObject superEnt = getDwgSuperEntity(entity); |
583 |
if(superEnt instanceof DwgBlockHeader){ |
584 |
DwgBlockHeader blk = (DwgBlockHeader)superEnt; |
585 |
// System.out.println("Entidad "+
|
586 |
// i+
|
587 |
// " pertenece al bloque "+
|
588 |
// blk.getName());
|
589 |
blk.addObject(entity); |
590 |
it.remove();//TODO Creo que esto es lento, mejor
|
591 |
//el metodo original (en java solo se duplican las referencias)
|
592 |
i++; |
593 |
} |
594 |
}//while
|
595 |
|
596 |
//after that, we process the INSERTs
|
597 |
it = insertList.iterator(); |
598 |
while(it.hasNext()){
|
599 |
DwgInsert insert = (DwgInsert) it.next(); |
600 |
if(insert.isProcessed()){
|
601 |
//It has been processed nexted to other insert
|
602 |
continue;
|
603 |
} |
604 |
insert.setProcessed(true);
|
605 |
double[] p = insert.getInsertionPoint(); |
606 |
Point2D point = new Point2D.Double(p[0], p[1]); |
607 |
double[] scale = insert.getScale(); |
608 |
double rot = insert.getRotation();
|
609 |
int blockHandle = insert.getBlockHeaderHandle().getOffset();
|
610 |
manageInsert2(point, scale, |
611 |
rot, blockHandle, |
612 |
dwgObjects, handle_objects); |
613 |
} |
614 |
} |
615 |
|
616 |
/**
|
617 |
* Modify the geometry of the objects contained in the blocks of a DWG file and
|
618 |
* add these objects to the DWG object list.
|
619 |
*
|
620 |
* TODO Revisar los bloques que son XREF
|
621 |
*/
|
622 |
public void blockManagement() { |
623 |
LinkedList dwgObjectsWithoutBlocks = new LinkedList(); |
624 |
HashMap handle_objectsWithoutBlocks = new HashMap(); |
625 |
boolean addingToBlock = false; |
626 |
try{
|
627 |
for (int i=0; i < dwgObjects.size(); i++) { |
628 |
DwgObject entity = (DwgObject)dwgObjects.get(i); |
629 |
if (entity instanceof DwgArc && !addingToBlock) { |
630 |
dwgObjectsWithoutBlocks.add(entity); |
631 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
632 |
} else if (entity instanceof DwgEllipse && !addingToBlock) { |
633 |
dwgObjectsWithoutBlocks.add(entity); |
634 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
635 |
} else if (entity instanceof DwgCircle && !addingToBlock) { |
636 |
dwgObjectsWithoutBlocks.add(entity); |
637 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
638 |
} else if (entity instanceof DwgPolyline2D && !addingToBlock) { |
639 |
dwgObjectsWithoutBlocks.add(entity); |
640 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
641 |
} else if (entity instanceof DwgPolyline3D && !addingToBlock) { |
642 |
dwgObjectsWithoutBlocks.add(entity); |
643 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
644 |
} else if (entity instanceof DwgLwPolyline && !addingToBlock) { |
645 |
dwgObjectsWithoutBlocks.add(entity); |
646 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
647 |
} else if (entity instanceof DwgSolid && !addingToBlock) { |
648 |
dwgObjectsWithoutBlocks.add(entity); |
649 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
650 |
} else if (entity instanceof DwgLine && !addingToBlock) { |
651 |
dwgObjectsWithoutBlocks.add(entity); |
652 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
653 |
} else if (entity instanceof DwgPoint && !addingToBlock) { |
654 |
dwgObjectsWithoutBlocks.add(entity); |
655 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
656 |
} else if (entity instanceof DwgMText && !addingToBlock) { |
657 |
dwgObjectsWithoutBlocks.add(entity); |
658 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
659 |
} else if (entity instanceof DwgText && !addingToBlock) { |
660 |
dwgObjectsWithoutBlocks.add(entity); |
661 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
662 |
} else if (entity instanceof DwgAttrib && !addingToBlock) { |
663 |
dwgObjectsWithoutBlocks.add(entity); |
664 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
665 |
} else if (entity instanceof DwgAttdef && !addingToBlock) { |
666 |
dwgObjectsWithoutBlocks.add(entity); |
667 |
handle_objectsWithoutBlocks.put(new Integer(entity.getHandle().getOffset()), entity); |
668 |
} else if (entity instanceof DwgBlock) { |
669 |
addingToBlock = true;
|
670 |
} else if (entity instanceof DwgEndblk) { |
671 |
addingToBlock = false;
|
672 |
} else if (entity instanceof DwgBlockHeader) { |
673 |
addingToBlock = true;
|
674 |
} |
675 |
//Segun esto, un insert solo se procesa dentro de un Block (o BlockHeader)
|
676 |
//?Puede haber INSERT fuera de BLOCK-ENDBLK?
|
677 |
else if (entity instanceof DwgInsert && !addingToBlock) { |
678 |
double[] p = ((DwgInsert)entity).getInsertionPoint(); |
679 |
Point2D point = new Point2D.Double(p[0], p[1]); |
680 |
double[] scale = ((DwgInsert)entity).getScale(); |
681 |
double rot = ((DwgInsert)entity).getRotation();
|
682 |
int blockHandle = ((DwgInsert)entity).getBlockHeaderHandle().getOffset();
|
683 |
manageInsert(point, scale, rot, blockHandle, dwgObjectsWithoutBlocks, handle_objectsWithoutBlocks); |
684 |
} else {
|
685 |
// System.out.println(entity.getClass().getName() +" en un bloque");
|
686 |
//Se ha encontrado una entidad rara, o forma parte de un bloque
|
687 |
//y ser? procesada despu?s (con los punteros del propio bloque)
|
688 |
|
689 |
//TODO No se podr?a hacer mas rapido, quitando de la lista original
|
690 |
//las entidades que forman parte de bloque??
|
691 |
} |
692 |
} |
693 |
}catch(RuntimeException re){ |
694 |
re.printStackTrace(); |
695 |
} |
696 |
dwgObjects = dwgObjectsWithoutBlocks; |
697 |
this.handle_objects = (HashMap) handle_objectsWithoutBlocks; |
698 |
} |
699 |
|
700 |
public void manageInsert2(Point2D insPoint, double[] scale, |
701 |
double rot, int bHandle, |
702 |
List dwgObjectsWithoutBlocks,
|
703 |
Map handleObjectsWithoutBlocks) {
|
704 |
|
705 |
DwgObject object = (DwgObject) handle_objects.get(new Integer(bHandle)); |
706 |
if(object == null){ |
707 |
System.out.println("No hemos encontrado el BlockHeader cuyo handle es "+bHandle); |
708 |
return;
|
709 |
}else if(! (object instanceof DwgBlockHeader)){ |
710 |
//Hay un problema con la asignaci?n de handle
|
711 |
//Un INSERT tiene como handle de Block una entidad que no es block
|
712 |
// System.out.println("handle incorrecto." + object.getClass().getName() + " no es un blockheader");
|
713 |
return;
|
714 |
} |
715 |
|
716 |
DwgBlockHeader blockHeader = (DwgBlockHeader)object; |
717 |
double[] bPoint = blockHeader.getBasePoint(); |
718 |
String bname = blockHeader.getName();
|
719 |
if (bname.startsWith("*")) |
720 |
return;
|
721 |
|
722 |
//TODO Cambiar por List
|
723 |
Iterator blkEntIt = blockHeader.getObjects().iterator();
|
724 |
while(blkEntIt.hasNext()){
|
725 |
DwgObject obj = (DwgObject) blkEntIt.next(); |
726 |
manageBlockEntity(obj, bPoint, |
727 |
insPoint, scale, |
728 |
rot, dwgObjectsWithoutBlocks, |
729 |
handleObjectsWithoutBlocks); |
730 |
}//while
|
731 |
} |
732 |
|
733 |
/**
|
734 |
* Manages an INSERT of a DWG file. This object is the insertion point of a DWG
|
735 |
* block.
|
736 |
*
|
737 |
* @param insPoint, coordinates of the insertion point.
|
738 |
* @param scale, scale of the elements of the block that will be inserted.
|
739 |
* @param rot, rotation angle of the elements of the block.
|
740 |
*
|
741 |
* @param bHandle, offset for the coordinates of the elements of the block.
|
742 |
* @param id, count that serves as a id.
|
743 |
* @param dwgObjectsWithoutBlocks, a object list with the elements extracted from
|
744 |
* the blocks.
|
745 |
*/
|
746 |
public void manageInsert(Point2D insPoint, double[] scale, |
747 |
double rot, int bHandle, |
748 |
List dwgObjectsWithoutBlocks,
|
749 |
Map handleObjectsWithoutBlocks) {
|
750 |
|
751 |
DwgObject object = (DwgObject) handle_objects.get(new Integer(bHandle)); |
752 |
if(object == null){ |
753 |
// System.out.println("No hemos encontrado el BlockHeader cuyo handle es "+bHandle);
|
754 |
return;
|
755 |
}else if(! (object instanceof DwgBlockHeader)){ |
756 |
//Hay un problema con la asignaci?n de handle
|
757 |
//Un INSERT tiene como handle de Block una entidad que no es block
|
758 |
// System.out.println("handle incorrecto." + object.getClass().getName() + " no es un blockheader");
|
759 |
return;
|
760 |
} |
761 |
|
762 |
DwgBlockHeader blockHeader = (DwgBlockHeader)object; |
763 |
double[] bPoint = blockHeader.getBasePoint(); |
764 |
String bname = blockHeader.getName();
|
765 |
if (bname.startsWith("*")) |
766 |
return;
|
767 |
|
768 |
DwgHandleReference firstHdl = blockHeader.getFirstEntityHandle(); |
769 |
DwgHandleReference lastHdl = blockHeader.getLastEntityHandle(); |
770 |
if(firstHdl == null || lastHdl == null){ |
771 |
// System.out.println("Problemas en el bloque "+bname);
|
772 |
// System.out.println("1er obj="+firstHdl+" 2o obj="+lastHdl);
|
773 |
return;
|
774 |
} |
775 |
|
776 |
|
777 |
|
778 |
int firstObjectHandle = firstHdl.getOffset();
|
779 |
int lastObjectHandle = lastHdl.getOffset();
|
780 |
|
781 |
//TODO Ver que hacia el metodo antiguo cuando llegaban handles a 0
|
782 |
//como extremos de un bloque (sera bloque vacio, supongo)
|
783 |
if(firstObjectHandle == 0 || lastObjectHandle == 0){ |
784 |
// System.out.println("Problemas en el bloque "+bname);
|
785 |
// System.out.println("1er obj="+firstObjectHandle+" 2o obj="+lastObjectHandle);
|
786 |
return;
|
787 |
} |
788 |
|
789 |
/*
|
790 |
* Ahora localiza la primera entidad del bloque,
|
791 |
* y a partir de ah?, a?ade
|
792 |
* al bloque todas las entidades que encuentre hasta la
|
793 |
* ?ltima entidad del bloque
|
794 |
*
|
795 |
* */
|
796 |
DwgObject firstObj = (DwgObject) handle_objects. |
797 |
get(new Integer(firstObjectHandle)); |
798 |
DwgObject lastObj = (DwgObject) handle_objects. |
799 |
get(new Integer(lastObjectHandle)); |
800 |
|
801 |
int firstObjIdx = dwgObjects.indexOf(firstObj);
|
802 |
int lastObjIdx = dwgObjects.indexOf(lastObj);
|
803 |
if(firstObjIdx == -1){ |
804 |
// System.out.println("El primer objeto del bloque "+
|
805 |
// blockHeader.getName()+
|
806 |
// " no ha sido localizado a partir del handle "+
|
807 |
// firstObjectHandle);
|
808 |
return;
|
809 |
} |
810 |
|
811 |
if(lastObjIdx == -1){ |
812 |
// System.out.println("El ultimo objeto del bloque "+
|
813 |
// blockHeader.getName()+
|
814 |
// " no ha sido localizado a partir del handle "+
|
815 |
// lastObjectHandle);
|
816 |
|
817 |
//Intentamos ver si como delimitador final de bloque aparece EndBlk
|
818 |
LinkedList tempDwgObj = new LinkedList(); |
819 |
HashMap tempHdlObj = new HashMap(); |
820 |
DwgObject scannedEntity = (DwgObject) dwgObjects.get(firstObjIdx); |
821 |
while(! (scannedEntity instanceof DwgEndblk)){ |
822 |
manageBlockEntity(scannedEntity, bPoint, |
823 |
insPoint, scale, rot, |
824 |
tempDwgObj, |
825 |
tempHdlObj); |
826 |
firstObjIdx++; |
827 |
scannedEntity = (DwgObject) dwgObjects.get(firstObjIdx); |
828 |
if( (scannedEntity instanceof DwgBlock) || |
829 |
(scannedEntity instanceof DwgBlockHeader)){
|
830 |
//No puede haber bloques anidados
|
831 |
//Descartar
|
832 |
// System.out.println("Error, aparecen bloques anidados");
|
833 |
return;
|
834 |
} |
835 |
}//while
|
836 |
if(tempDwgObj.size() > 0){ |
837 |
dwgObjectsWithoutBlocks.addAll(tempDwgObj); |
838 |
handleObjectsWithoutBlocks.putAll(tempHdlObj); |
839 |
} |
840 |
return;
|
841 |
|
842 |
}//if
|
843 |
for(int i = firstObjIdx; i <= lastObjIdx; i++){ |
844 |
DwgObject obj = (DwgObject) dwgObjects.get(i); |
845 |
manageBlockEntity(obj, bPoint, |
846 |
insPoint, scale, |
847 |
rot, dwgObjectsWithoutBlocks, handleObjectsWithoutBlocks); |
848 |
}//for
|
849 |
} |
850 |
|
851 |
public int getIndexOf(DwgObject dwgObject){ |
852 |
return dwgObjects.indexOf(dwgObject);
|
853 |
|
854 |
|
855 |
} |
856 |
|
857 |
|
858 |
|
859 |
/**
|
860 |
* Changes the location of an object extracted from a block. This location will be
|
861 |
* obtained through the insertion parameters from the block and the corresponding
|
862 |
* insert.
|
863 |
* @param entity, the entity extracted from the block.
|
864 |
* @param bPoint, offset for the coordinates of the entity.
|
865 |
* @param insPoint, coordinates of the insertion point for the entity.
|
866 |
* @param scale, scale for the entity.
|
867 |
* @param rot, rotation angle for the entity.
|
868 |
* @param id, a count as a id.
|
869 |
* @param dwgObjectsWithoutBlocks, a object list with the elements extracted from
|
870 |
* the blocks.
|
871 |
*/
|
872 |
private void manageBlockEntity(DwgObject entity, |
873 |
double[] bPoint, |
874 |
Point2D insPoint,
|
875 |
double[] scale, |
876 |
double rot,
|
877 |
List dwgObjectsWithoutBlocks,
|
878 |
Map handleObjectsWithoutBlocks) {
|
879 |
|
880 |
if(entity instanceof IDwgBlockMember){ |
881 |
IDwgBlockMember blockMember = (IDwgBlockMember)entity; |
882 |
blockMember.transform2Block(bPoint, insPoint, scale, rot, |
883 |
dwgObjectsWithoutBlocks, |
884 |
handleObjectsWithoutBlocks,this);
|
885 |
}else{
|
886 |
//TODO REIMPLEMENTAR ENTIDADES QUE PUEDEN FORMAR PARTE DE BLOQUES.
|
887 |
//POR EJEMPLO: DwgText y DwgMText pueden formar parte
|
888 |
//de bloques, y de hecho, est?n apareciendo
|
889 |
|
890 |
// System.out.println(entity.getClass().getName()+" dentro de un bloque");
|
891 |
} |
892 |
} |
893 |
|
894 |
|
895 |
/**
|
896 |
* Add a DWG section offset to the dwgSectionOffsets vector
|
897 |
*
|
898 |
* @param key Define the DWG section
|
899 |
* @param seek Offset of the section
|
900 |
* @param size Size of the section
|
901 |
*/
|
902 |
public void addDwgSectionOffset(String key, int seek, int size) { |
903 |
DwgSectionOffset dso = new DwgSectionOffset(key, seek, size);
|
904 |
dwgSectionOffsets.add(dso); |
905 |
} |
906 |
|
907 |
/**
|
908 |
* Returns the offset of DWG section given by its key
|
909 |
*
|
910 |
* @param key Define the DWG section
|
911 |
* @return int Offset of the section in the DWG file
|
912 |
*/
|
913 |
public int getDwgSectionOffset(String key) { |
914 |
int offset = 0; |
915 |
for (int i=0; i<dwgSectionOffsets.size(); i++) { |
916 |
DwgSectionOffset dso = (DwgSectionOffset)dwgSectionOffsets.get(i); |
917 |
String ikey = dso.getKey();
|
918 |
if (key.equals(ikey)) {
|
919 |
offset = dso.getSeek(); |
920 |
break;
|
921 |
} |
922 |
} |
923 |
return offset;
|
924 |
} |
925 |
|
926 |
/**
|
927 |
* Add a DWG object offset to the dwgObjectOffsets vector
|
928 |
*
|
929 |
* @param handle Object handle
|
930 |
* @param offset Offset of the object data in the DWG file
|
931 |
*/
|
932 |
public void addDwgObjectOffset(int handle, int offset) { |
933 |
DwgObjectOffset doo = new DwgObjectOffset(handle, offset);
|
934 |
dwgObjectOffsets.add(doo); |
935 |
} |
936 |
|
937 |
/**
|
938 |
*
|
939 |
* Add a DWG object to the dwgObject vector
|
940 |
*
|
941 |
* @param dwgObject DWG object
|
942 |
*/
|
943 |
public void addDwgObject(DwgObject dwgObject){ |
944 |
//TODO Ver si puedo inicializar las listas especificas
|
945 |
//(IDwgPolyline, etc) aqu?
|
946 |
dwgObjects.add(dwgObject); |
947 |
handle_objects.put(new Integer(dwgObject.getHandle().getOffset()), dwgObject); |
948 |
|
949 |
/*
|
950 |
* TODO Quitar todos estos if-then y sustituirlos por un metodo callbackj
|
951 |
*
|
952 |
*
|
953 |
* (dwgObject.init(this), y que cada objeto haga lo que tenga que hacer
|
954 |
* */
|
955 |
if(dwgObject instanceof DwgLayer){ |
956 |
this.addDwgLayer((DwgLayer) dwgObject);
|
957 |
} |
958 |
|
959 |
//Probamos a no aplicar las extrusiones
|
960 |
|
961 |
if(dwgObject instanceof IDwgExtrusionable){ |
962 |
((IDwgExtrusionable)dwgObject).applyExtrussion(); |
963 |
} |
964 |
|
965 |
|
966 |
|
967 |
if(dwgObject instanceof IDwgPolyline){ |
968 |
dwgPolylines.add(dwgObject); |
969 |
} |
970 |
if(dwgObject instanceof IDwg3DTestable){ |
971 |
if(! dwg3DFile){//if its true, we dont check again |
972 |
dwg3DFile = ((IDwg3DTestable)dwgObject).has3DData(); |
973 |
} |
974 |
} |
975 |
if(dwgObject instanceof DwgInsert){ |
976 |
insertList.add(dwgObject); |
977 |
} |
978 |
} |
979 |
|
980 |
/**
|
981 |
* Returns dwgObjects from its insertion order (position
|
982 |
* in the dwg file)
|
983 |
*
|
984 |
* @param index order in the dwg file
|
985 |
* @return position
|
986 |
* */
|
987 |
public DwgObject getDwgObject(int index){ |
988 |
return (DwgObject) dwgObjects.get(index);
|
989 |
} |
990 |
|
991 |
public DwgObject getDwgObjectFromHandle(int handle){ |
992 |
return (DwgObject) handle_objects.get(new Integer(handle)); |
993 |
} |
994 |
|
995 |
/**
|
996 |
* Add a DWG class to the dwgClasses vector
|
997 |
*
|
998 |
* @param dwgClass DWG class
|
999 |
*/
|
1000 |
public void addDwgClass(DwgClass dwgClass){ |
1001 |
dwgClasses.add(dwgClass); |
1002 |
} |
1003 |
|
1004 |
public void printClasses(){ |
1005 |
System.out.println("#### CLASSES ####"); |
1006 |
for(int i = 0; i < dwgClasses.size(); i++){ |
1007 |
DwgClass clazz = (DwgClass) dwgClasses.get(i); |
1008 |
System.out.println(clazz.toString());
|
1009 |
} |
1010 |
System.out.println("#############"); |
1011 |
} |
1012 |
|
1013 |
public List getDwgClasses(){ |
1014 |
return dwgClasses;
|
1015 |
} |
1016 |
|
1017 |
/**
|
1018 |
* @return Returns the dwgObjectOffsets.
|
1019 |
*/
|
1020 |
public ArrayList getDwgObjectOffsets() { |
1021 |
return dwgObjectOffsets;
|
1022 |
} |
1023 |
/**
|
1024 |
* @return Returns the dwgObjects.
|
1025 |
*/
|
1026 |
public List getDwgObjects() { |
1027 |
return dwgObjects;
|
1028 |
} |
1029 |
/**
|
1030 |
* @return Returns the fileName.
|
1031 |
*/
|
1032 |
public String getFileName() { |
1033 |
return fileName;
|
1034 |
} |
1035 |
/**
|
1036 |
* @return Returns the dwg3DFile.
|
1037 |
*/
|
1038 |
public boolean isDwg3DFile() { |
1039 |
return dwg3DFile;
|
1040 |
} |
1041 |
/**
|
1042 |
* @param dwg3DFile The dwg3DFile to set.
|
1043 |
*/
|
1044 |
public void setDwg3DFile(boolean dwg3DFile) { |
1045 |
this.dwg3DFile = dwg3DFile;
|
1046 |
} |
1047 |
} |