/*
* JGrass - Free Open Source Java GIS http://www.jgrass.org
* (C) HydroloGIS - www.hydrologis.com
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Library General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option) any
* later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
* details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; if not, write to the Free Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.jgrasstools.gears.io.dxfdwg.libs.dwg;
import java.awt.geom.Point2D;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.util.Vector;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgArc;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgAttdef;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgAttrib;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgBlock;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgBlockControl;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgBlockHeader;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgCircle;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgEllipse;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgEndblk;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgInsert;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgLayer;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgLayerControl;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgLine;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgLinearDimension;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgLwPolyline;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgMText;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgPoint;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgPolyline2D;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgPolyline3D;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgSeqend;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgSolid;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgSpline;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgText;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgVertex2D;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.objects.DwgVertex3D;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.utils.AcadExtrusionCalculator;
import org.jgrasstools.gears.io.dxfdwg.libs.dwg.utils.GisModelCurveCalculator;
/**
* The DwgFile class provides a revision-neutral interface for reading and handling
* DWG files
* Reading methods are useful for reading DWG files, and handling methods like
* calculateDwgPolylines() are useful for handling more complex
* objects in the DWG file
*
* @author jmorell
*/
public class DwgFile {
private String fileName;
private String dwgVersion;
private Vector dwgSectionOffsets;
private Vector dwgObjectOffsets;
private Vector dwgObjects;
private Vector dwgClasses;
private DwgFileReader dwgReader;
private Vector layerTable;
private Vector layerNames;
private boolean dwg3DFile;
/**
* Creates a new DwgFile object given the absolute path to
* a DWG file
*
* @param filePath an absolute path to the DWG file
*/
public DwgFile( String filePath ) {
this.fileName = filePath;
dwgSectionOffsets = new Vector();
dwgObjectOffsets = new Vector();
dwgObjects = new Vector();
dwgClasses = new Vector();
}
/**
* Reads a DWG file and put its objects in the dwgObjects Vector
* This method is version independent
*
* @throws IOException If the file location is wrong
*/
public void read() throws IOException {
System.out.println("DwgFile.read() executed ...");
setDwgVersion();
if (dwgVersion.equals("R13")) {
dwgReader = new DwgFileV14Reader();
dwgReader.read(this);
} else if (dwgVersion.equals("R14")) {
dwgReader = new DwgFileV14Reader();
dwgReader.read(this);
} else if (dwgVersion.equals("R15")) {
dwgReader = new DwgFileV15Reader();
dwgReader.read(this);
} else if (dwgVersion.equals("Unknown")) {
throw new IOException("DWG version of the file is not supported.");
}
}
/**
* Modify the geometry of the objects applying the Extrusion vector where it
* is necessary
*/
public void applyExtrusions() {
for( int i = 0; i < dwgObjects.size(); i++ ) {
DwgObject dwgObject = (DwgObject) dwgObjects.get(i);
if (dwgObject instanceof DwgArc) {
double[] arcCenter = ((DwgArc) dwgObject).getCenter();
double[] arcExt = ((DwgArc) dwgObject).getExtrusion();
arcCenter = AcadExtrusionCalculator.CalculateAcadExtrusion(arcCenter, arcExt);
((DwgArc) dwgObject).setCenter(arcCenter);
} else if (dwgObject instanceof DwgAttdef) {
// Extrusion in DwgAttdef is not necessary
} else if (dwgObject instanceof DwgAttrib) {
Point2D attribInsertionPoint = ((DwgAttrib) dwgObject).getInsertionPoint();
double attribElevation = ((DwgAttrib) dwgObject).getElevation();
double[] attribInsertionPoint3D = new double[]{attribInsertionPoint.getX(),
attribInsertionPoint.getY(), attribElevation};
double[] attribExt = ((DwgAttrib) dwgObject).getExtrusion();
attribInsertionPoint3D = AcadExtrusionCalculator.CalculateAcadExtrusion(
attribInsertionPoint3D, attribExt);
((DwgAttrib) dwgObject).setInsertionPoint(new Point2D.Double(
attribInsertionPoint3D[0], attribInsertionPoint3D[1]));
((DwgAttrib) dwgObject).setElevation(attribInsertionPoint3D[2]);
} else if (dwgObject instanceof DwgBlock) {
// DwgBlock hasn't Extrusion
} else if (dwgObject instanceof DwgBlockControl) {
// DwgBlockControl hasn't Extrusion
} else if (dwgObject instanceof DwgBlockHeader) {
// DwgBlockHeader hasn't Extrusion
} else if (dwgObject instanceof DwgCircle) {
double[] circleCenter = ((DwgCircle) dwgObject).getCenter();
double[] circleExt = ((DwgCircle) dwgObject).getExtrusion();
circleCenter = AcadExtrusionCalculator.CalculateAcadExtrusion(circleCenter,
circleExt);
((DwgCircle) dwgObject).setCenter(circleCenter);
// Seems that Autocad don't apply the extrusion to Ellipses
/*} else if (dwgObject instanceof DwgEllipse) {
double[] ellipseCenter = ((DwgEllipse)dwgObject).getCenter();
double[] ellipseExt = ((DwgEllipse)dwgObject).getExtrusion();
ellipseCenter = AcadExtrusionCalculator.CalculateAcadExtrusion(ellipseCenter, ellipseExt);
((DwgEllipse)dwgObject).setCenter(ellipseCenter);*/
} else if (dwgObject instanceof DwgInsert) {
double[] insertPoint = ((DwgInsert) dwgObject).getInsertionPoint();
double[] insertExt = ((DwgInsert) dwgObject).getExtrusion();
insertPoint = AcadExtrusionCalculator
.CalculateAcadExtrusion(insertPoint, insertExt);
((DwgInsert) dwgObject).setInsertionPoint(insertPoint);
} else if (dwgObject instanceof DwgLayer) {
// DwgLayer hasn't Extrusion
} else if (dwgObject instanceof DwgLayerControl) {
// DwgLayerControl hasn't Extrusion
} else if (dwgObject instanceof DwgLine) {
double[] lineP1 = ((DwgLine) dwgObject).getP1();
double[] lineP2 = ((DwgLine) dwgObject).getP2();
boolean zflag = ((DwgLine) dwgObject).isZflag();
if (zflag) {
// elev = 0.0;
lineP1 = new double[]{lineP1[0], lineP1[1], 0.0};
lineP2 = new double[]{lineP2[0], lineP2[1], 0.0};
}
double[] lineExt = ((DwgLine) dwgObject).getExtrusion();
lineP1 = AcadExtrusionCalculator.CalculateAcadExtrusion(lineP1, lineExt);
lineP2 = AcadExtrusionCalculator.CalculateAcadExtrusion(lineP2, lineExt);
((DwgLine) dwgObject).setP1(lineP1);
((DwgLine) dwgObject).setP2(lineP2);
} else if (dwgObject instanceof DwgLinearDimension) {
// TODO: Extrusions in DwgLinearDimension elements
// TODO: Void LwPolylines are a bug
} else if (dwgObject instanceof DwgLwPolyline
&& ((DwgLwPolyline) dwgObject).getVertices() != null) {
Point2D[] vertices = ((DwgLwPolyline) dwgObject).getVertices();
double[] lwPolylineExt = ((DwgLwPolyline) dwgObject).getNormal();
// Normals and Extrusions aren`t the same
if (lwPolylineExt[0] == 0 && lwPolylineExt[1] == 0 && lwPolylineExt[2] == 0)
lwPolylineExt[2] = 1.0;
double elev = ((DwgLwPolyline) dwgObject).getElevation();
double[][] lwPolylinePoints3D = new double[vertices.length][3];
for( int j = 0; j < vertices.length; j++ ) {
lwPolylinePoints3D[j][0] = vertices[j].getX();
lwPolylinePoints3D[j][1] = vertices[j].getY();
lwPolylinePoints3D[j][2] = elev;
lwPolylinePoints3D[j] = AcadExtrusionCalculator.CalculateAcadExtrusion(
lwPolylinePoints3D[j], lwPolylineExt);
}
((DwgLwPolyline) dwgObject).setElevation(elev);
for( int j = 0; j < vertices.length; j++ ) {
vertices[j] = new Point2D.Double(lwPolylinePoints3D[j][0],
lwPolylinePoints3D[j][1]);
}
((DwgLwPolyline) dwgObject).setVertices(vertices);
} else if (dwgObject instanceof DwgMText) {
double[] mtextPoint = ((DwgMText) dwgObject).getInsertionPoint();
double[] mtextExt = ((DwgMText) dwgObject).getExtrusion();
mtextPoint = AcadExtrusionCalculator.CalculateAcadExtrusion(mtextPoint, mtextExt);
((DwgMText) dwgObject).setInsertionPoint(mtextPoint);
} else if (dwgObject instanceof DwgPoint) {
double[] point = ((DwgPoint) dwgObject).getPoint();
double[] pointExt = ((DwgPoint) dwgObject).getExtrusion();
point = AcadExtrusionCalculator.CalculateAcadExtrusion(point, pointExt);
((DwgPoint) dwgObject).setPoint(point);
} else if (dwgObject instanceof DwgSolid) {
double[] corner1 = ((DwgSolid) dwgObject).getCorner1();
double[] corner2 = ((DwgSolid) dwgObject).getCorner2();
double[] corner3 = ((DwgSolid) dwgObject).getCorner3();
double[] corner4 = ((DwgSolid) dwgObject).getCorner4();
double[] solidExt = ((DwgSolid) dwgObject).getExtrusion();
corner1 = AcadExtrusionCalculator.CalculateAcadExtrusion(corner1, solidExt);
((DwgSolid) dwgObject).setCorner1(corner1);
((DwgSolid) dwgObject).setCorner2(corner2);
((DwgSolid) dwgObject).setCorner3(corner3);
((DwgSolid) dwgObject).setCorner4(corner4);
} else if (dwgObject instanceof DwgSpline) {
// DwgSpline hasn't Extrusion
} else if (dwgObject instanceof DwgText) {
Point2D tpoint = ((DwgText) dwgObject).getInsertionPoint();
double elev = ((DwgText) dwgObject).getElevation();
double[] textPoint = new double[]{tpoint.getX(), tpoint.getY(), elev};
double[] textExt = ((DwgText) dwgObject).getExtrusion();
textPoint = AcadExtrusionCalculator.CalculateAcadExtrusion(textPoint, textExt);
((DwgText) dwgObject).setInsertionPoint(new Point2D.Double(textPoint[0],
textPoint[1]));
((DwgText) dwgObject).setElevation(elev);
} else if (dwgObject instanceof DwgPolyline2D
&& ((DwgPolyline2D) dwgObject).getPts() != null) {
Point2D[] vertices = ((DwgPolyline2D) dwgObject).getPts();
double[] polyline2DExt = ((DwgPolyline2D) dwgObject).getExtrusion();
double elev = ((DwgPolyline2D) dwgObject).getElevation();
double[][] polylinePoints3D = new double[vertices.length][3];
for( int j = 0; j < vertices.length; j++ ) {
polylinePoints3D[j][0] = vertices[j].getX();
polylinePoints3D[j][1] = vertices[j].getY();
polylinePoints3D[j][2] = elev;
polylinePoints3D[j] = AcadExtrusionCalculator.CalculateAcadExtrusion(
polylinePoints3D[j], polyline2DExt);
}
((DwgPolyline2D) dwgObject).setElevation(elev);
for( int j = 0; j < vertices.length; j++ ) {
vertices[j] = new Point2D.Double(polylinePoints3D[j][0], polylinePoints3D[j][1]);
}
((DwgPolyline2D) dwgObject).setPts(vertices);
} else if (dwgObject instanceof DwgPolyline3D) {
// DwgPolyline3D hasn't Extrusion
} else if (dwgObject instanceof DwgVertex2D) {
// DwgVertex2D hasn't Extrusion
} else if (dwgObject instanceof DwgVertex3D) {
// DwgVertex3D hasn't Extrusion
} else {
//
}
}
}
/**
* Configure the geometry of the polylines in a DWG file from the vertex list in
* this DWG file. This geometry is given by an array of Points.
* Besides, manage closed polylines and polylines with bulges in a GIS Data model.
* It means that the arcs of the polylines will be done through a set of points and
* a distance between these points.
*/
public void calculateGisModelDwgPolylines() {
for( int i = 0; i < dwgObjects.size(); i++ ) {
DwgObject pol = (DwgObject) dwgObjects.get(i);
if (pol instanceof DwgPolyline2D) {
int flags = ((DwgPolyline2D) pol).getFlags();
int firstHandle = ((DwgPolyline2D) pol).getFirstVertexHandle();
int lastHandle = ((DwgPolyline2D) pol).getLastVertexHandle();
Vector pts = new Vector();
Vector bulges = new Vector();
double[] pt = new double[3];
for( int j = 0; j < dwgObjects.size(); j++ ) {
DwgObject firstVertex = (DwgObject) dwgObjects.get(j);
if (firstVertex instanceof DwgVertex2D) {
int vertexHandle = firstVertex.getHandle();
if (vertexHandle == firstHandle) {
int k = 0;
while( true ) {
DwgObject vertex = (DwgObject) dwgObjects.get(j + k);
int vHandle = vertex.getHandle();
if (vertex instanceof DwgVertex2D) {
pt = ((DwgVertex2D) vertex).getPoint();
pts.add(new Point2D.Double(pt[0], pt[1]));
double bulge = ((DwgVertex2D) vertex).getBulge();
bulges.add(new Double(bulge));
k++;
if (vHandle == lastHandle && vertex instanceof DwgVertex2D) {
break;
}
} else if (vertex instanceof DwgSeqend) {
break;
}
}
}
}
}
if (pts.size() > 0) {
Point2D[] newPts = new Point2D[pts.size()];
if ((flags & 0x1) == 0x1) {
newPts = new Point2D[pts.size() + 1];
for( int j = 0; j < pts.size(); j++ ) {
newPts[j] = (Point2D) pts.get(j);
}
newPts[pts.size()] = (Point2D) pts.get(0);
bulges.add(new Double(0));
} else {
for( int j = 0; j < pts.size(); j++ ) {
newPts[j] = (Point2D) pts.get(j);
}
}
double[] bs = new double[bulges.size()];
for( int j = 0; j < bulges.size(); j++ ) {
bs[j] = ((Double) bulges.get(j)).doubleValue();
}
((DwgPolyline2D) pol).setBulges(bs);
Point2D[] points = GisModelCurveCalculator.calculateGisModelBulge(newPts, bs);
((DwgPolyline2D) pol).setPts(points);
} else {
// System.out.println("Encontrada polil�nea sin puntos ...");
// TODO: No se debe mandar nunca una polil�nea sin puntos, si esto
// ocurre es porque existe un error que hay que corregir ...
}
} else if (pol instanceof DwgPolyline3D) {
int closedFlags = ((DwgPolyline3D) pol).getClosedFlags();
int firstHandle = ((DwgPolyline3D) pol).getFirstVertexHandle();
int lastHandle = ((DwgPolyline3D) pol).getLastVertexHandle();
Vector pts = new Vector();
double[] pt = new double[3];
for( int j = 0; j < dwgObjects.size(); j++ ) {
DwgObject firstVertex = (DwgObject) dwgObjects.get(j);
if (firstVertex instanceof DwgVertex3D) {
int vertexHandle = firstVertex.getHandle();
if (vertexHandle == firstHandle) {
int k = 0;
while( true ) {
DwgObject vertex = (DwgObject) dwgObjects.get(j + k);
int vHandle = vertex.getHandle();
if (vertex instanceof DwgVertex3D) {
pt = ((DwgVertex3D) vertex).getPoint();
pts.add(new double[]{pt[0], pt[1], pt[2]});
k++;
if (vHandle == lastHandle && vertex instanceof DwgVertex3D) {
break;
}
} else if (vertex instanceof DwgSeqend) {
break;
}
}
}
}
}
if (pts.size() > 0) {
double[][] newPts = new double[pts.size()][3];
if ((closedFlags & 0x1) == 0x1) {
newPts = new double[pts.size() + 1][3];
for( int j = 0; j < pts.size(); j++ ) {
newPts[j][0] = ((double[]) pts.get(j))[0];
newPts[j][1] = ((double[]) pts.get(j))[1];
newPts[j][2] = ((double[]) pts.get(j))[2];
}
newPts[pts.size()][0] = ((double[]) pts.get(0))[0];
newPts[pts.size()][1] = ((double[]) pts.get(0))[1];
newPts[pts.size()][2] = ((double[]) pts.get(0))[2];
} else {
for( int j = 0; j < pts.size(); j++ ) {
newPts[j][0] = ((double[]) pts.get(j))[0];
newPts[j][1] = ((double[]) pts.get(j))[1];
newPts[j][2] = ((double[]) pts.get(j))[2];
}
}
((DwgPolyline3D) pol).setPts(newPts);
} else {
// System.out.println("Encontrada polil�nea sin puntos ...");
// TODO: No se debe mandar nunca una polil�nea sin puntos, si esto
// ocurre es porque existe un error que hay que corregir ...
}
} else if (pol instanceof DwgLwPolyline && ((DwgLwPolyline) pol).getVertices() != null) {
int flags = ((DwgLwPolyline) pol).getFlag();
Point2D[] pts = ((DwgLwPolyline) pol).getVertices();
double[] bulges = ((DwgLwPolyline) pol).getBulges();
Point2D[] newPts = new Point2D[pts.length];
double[] newBulges = new double[bulges.length];
// TODO: Aqu� pueden existir casos no contemplados ...
// System.out.println("flags = " + flags);
if (flags == 512 || flags == 776 || flags == 768) {
newPts = new Point2D[pts.length + 1];
newBulges = new double[bulges.length + 1];
for( int j = 0; j < pts.length; j++ ) {
newPts[j] = (Point2D) pts[j];
}
newPts[pts.length] = (Point2D) pts[0];
newBulges[pts.length] = 0;
} else {
for( int j = 0; j < pts.length; j++ ) {
newPts[j] = (Point2D) pts[j];
}
}
if (pts.length > 0) {
((DwgLwPolyline) pol).setBulges(newBulges);
Point2D[] points = GisModelCurveCalculator.calculateGisModelBulge(newPts,
newBulges);
((DwgLwPolyline) pol).setVertices(points);
} else {
// System.out.println("Encontrada polil�nea sin puntos ...");
// TODO: No se debe mandar nunca una polil�nea sin puntos, si esto
// ocurre es porque existe un error que hay que corregir ...
}
}
}
}
/**
* Configure the geometry of the polylines in a DWG file from the vertex list in
* this DWG file. This geometry is given by an array of Points
* Besides, manage closed polylines and polylines with bulges in a GIS Data model.
* It means that the arcs of the polylines will be done through a curvature
* parameter called bulge associated with the points of the polyline.
*/
public void calculateCadModelDwgPolylines() {
for( int i = 0; i < dwgObjects.size(); i++ ) {
DwgObject pol = (DwgObject) dwgObjects.get(i);
if (pol instanceof DwgPolyline2D) {
int flags = ((DwgPolyline2D) pol).getFlags();
int firstHandle = ((DwgPolyline2D) pol).getFirstVertexHandle();
int lastHandle = ((DwgPolyline2D) pol).getLastVertexHandle();
Vector pts = new Vector();
Vector bulges = new Vector();
double[] pt = new double[3];
for( int j = 0; j < dwgObjects.size(); j++ ) {
DwgObject firstVertex = (DwgObject) dwgObjects.get(j);
if (firstVertex instanceof DwgVertex2D) {
int vertexHandle = firstVertex.getHandle();
if (vertexHandle == firstHandle) {
int k = 0;
while( true ) {
DwgObject vertex = (DwgObject) dwgObjects.get(j + k);
int vHandle = vertex.getHandle();
if (vertex instanceof DwgVertex2D) {
pt = ((DwgVertex2D) vertex).getPoint();
pts.add(new Point2D.Double(pt[0], pt[1]));
double bulge = ((DwgVertex2D) vertex).getBulge();
bulges.add(new Double(bulge));
k++;
if (vHandle == lastHandle && vertex instanceof DwgVertex2D) {
break;
}
} else if (vertex instanceof DwgSeqend) {
break;
}
}
}
}
}
if (pts.size() > 0) {
/*Point2D[] newPts = new Point2D[pts.size()];
if ((flags & 0x1)==0x1) {
newPts = new Point2D[pts.size()+1];
for (int j=0;j<pts.size();j++) {
newPts[j] = (Point2D)pts.get(j);
}
newPts[pts.size()] = (Point2D)pts.get(0);
bulges.add(new Double(0));
} else {
for (int j=0;j<pts.size();j++) {
newPts[j] = (Point2D)pts.get(j);
}
}*/
double[] bs = new double[bulges.size()];
for( int j = 0; j < bulges.size(); j++ ) {
bs[j] = ((Double) bulges.get(j)).doubleValue();
}
((DwgPolyline2D) pol).setBulges(bs);
// Point2D[] points = GisModelCurveCalculator.calculateGisModelBulge(newPts,
// bs);
Point2D[] points = new Point2D[pts.size()];
for( int j = 0; j < pts.size(); j++ ) {
points[j] = (Point2D) pts.get(j);
}
((DwgPolyline2D) pol).setPts(points);
} else {
// System.out.println("Encontrada polil�nea sin puntos ...");
// TODO: No se debe mandar nunca una polil�nea sin puntos, si esto
// ocurre es porque existe un error que hay que corregir ...
}
} else if (pol instanceof DwgPolyline3D) {
} else if (pol instanceof DwgLwPolyline && ((DwgLwPolyline) pol).getVertices() != null) {
}
}
}
/**
* Modify the geometry of the objects contained in the blocks of a DWG file and
* add these objects to the DWG object list.
*/
public void blockManagement() {
Vector dwgObjectsWithoutBlocks = new Vector();
boolean addingToBlock = false;
for( int i = 0; i < dwgObjects.size(); i++ ) {
try {
DwgObject entity = (DwgObject) dwgObjects.get(i);
if (entity instanceof DwgArc && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgEllipse && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgCircle && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgPolyline2D && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgPolyline3D && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgLwPolyline && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgSolid && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgLine && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgPoint && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgMText && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgText && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgAttrib && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgAttdef && !addingToBlock) {
dwgObjectsWithoutBlocks.add(entity);
} else if (entity instanceof DwgBlock) {
addingToBlock = true;
} else if (entity instanceof DwgEndblk) {
addingToBlock = false;
} else if (entity instanceof DwgBlockHeader) {
addingToBlock = true;
} else if (entity instanceof DwgInsert && !addingToBlock) {
/* double[] p = ((DwgInsert) entity).getInsertionPoint();
Point2D point = new Point2D.Double(p[0], p[1]);
double[] scale = ((DwgInsert) entity).getScale();
double rot = ((DwgInsert) entity).getRotation();
int blockHandle = ((DwgInsert) entity).getBlockHeaderHandle();
manageInsert(point, scale, rot, blockHandle, i,
dwgObjectsWithoutBlocks);*/
} else {
// System.out.println("Detectado dwgObject pendiente de implementar");
}
} catch (StackOverflowError e) {
e.printStackTrace();
System.out.println("Overflowerror at object: " + i);
}
}
dwgObjects = dwgObjectsWithoutBlocks;
}
/**
* Manages an INSERT of a DWG file. This object is the insertion point of a DWG
* block. It has the next parameters:
* @param insPoint, coordinates of the insertion point.
* @param scale, scale of the elements of the block that will be inserted.
* @param rot, rotation angle of the elements of the block.
* @param bHandle, offset for the coordinates of the elements of the block.
* @param id, count that serves as a id.
* @param dwgObjectsWithoutBlocks, a object list with the elements extracted from
* the blocks.
*/
private void manageInsert( Point2D insPoint, double[] scale, double rot, int bHandle, int id,
Vector dwgObjectsWithoutBlocks ) {
for( int i = 0; i < dwgObjects.size(); i++ ) {
DwgObject obj = (DwgObject) dwgObjects.get(i);
if (obj instanceof DwgBlockHeader) {
int objHandle = ((DwgBlockHeader) obj).getHandle();
if (objHandle == bHandle) {
// System.out.println("Encontrado DwgBlockHeader con handle = " + bHandle);
double[] bPoint = ((DwgBlockHeader) obj).getBasePoint();
String bname = ((DwgBlockHeader) obj).getName();
// System.out.println("Nombre del bloque = " + bname);
if (!bname.startsWith("*")) {
int firstObjectHandle = ((DwgBlockHeader) obj).getFirstEntityHandle();
// System.out.println("firstObjectHandle = " + firstObjectHandle);
int lastObjectHandle = ((DwgBlockHeader) obj).getLastEntityHandle();
// System.out.println("lastObjectHandle = " + lastObjectHandle);
DwgBlock block = null;
for( int j = 0; j < dwgObjects.size(); j++ ) {
DwgObject ent = (DwgObject) dwgObjects.get(j);
if (ent instanceof DwgBlock) {
String name = ((DwgBlock) ent).getName();
if (bname.equals(name)) {
block = (DwgBlock) ent;
// System.out.println("Encontrado DwgBlock con bname = " +
// bname);
break;
}
}
}
for( int j = 0; j < dwgObjects.size(); j++ ) {
DwgObject fObj = (DwgObject) dwgObjects.get(j);
if (fObj != null) {
int fObjHandle = fObj.getHandle();
if (fObjHandle == firstObjectHandle) {
int k = 0;
while( true ) {
// System.out.println("Encontrado elemento " + k +
// " del bloque");
DwgObject iObj = (DwgObject) dwgObjects.get(j + k);
int iObjHandle = iObj.getHandle();
// System.out.println("iObj.getType() = " + iObj.getType());
// System.out.println("insPoint.getX() = " +
// insPoint.getX());
// System.out.println("insPoint.getY() = " +
// insPoint.getY());
// System.out.println("rot = " + rot);
manageBlockEntity(iObj, bPoint, insPoint, scale, rot, id,
dwgObjectsWithoutBlocks);
k++;
if (iObjHandle == lastObjectHandle)
break;
}
}
}
}
break;
}
}
}
}
}
/**
* Changes the location of an object extracted from a block. This location will be
* obtained through the insertion parameters from the block and the corresponding
* insert.
* @param entity, the entity extracted from the block.
* @param bPoint, offset for the coordinates of the entity.
* @param insPoint, coordinates of the insertion point for the entity.
* @param scale, scale for the entity.
* @param rot, rotation angle for the entity.
* @param id, a count as a id.
* @param dwgObjectsWithoutBlocks, a object list with the elements extracted from
* the blocks.
*/
private void manageBlockEntity( DwgObject entity, double[] bPoint, Point2D insPoint,
double[] scale, double rot, int id, Vector dwgObjectsWithoutBlocks ) {
if (entity instanceof DwgArc) {
// System.out.println("Encuentra un arco dentro de un bloque ...");
DwgArc transformedEntity = new DwgArc();
double[] center = ((DwgArc) entity).getCenter();
Point2D pointAux = new Point2D.Double(center[0] - bPoint[0], center[1] - bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double laZ = center[2] * scale[2];
double[] transformedCenter = new double[]{laX, laY, laZ};
double radius = ((DwgArc) entity).getRadius();
// System.out.println("radius = " + radius);
// System.out.println("scale[0] = " + scale[0]);
// System.out.println("scale[1] = " + scale[1]);
// System.out.println("rot = " + rot);
double transformedRadius = radius * scale[0];
double initAngle = ((DwgArc) entity).getInitAngle();
double endAngle = ((DwgArc) entity).getEndAngle();
// System.out.println("initAngle = " + initAngle);
// System.out.println("endAngle = " + endAngle);
// System.out.println("rot = " + rot);
double transformedInitAngle = initAngle + rot;
if (transformedInitAngle < 0) {
transformedInitAngle = transformedInitAngle + (2 * Math.PI);
} else if (transformedInitAngle > (2 * Math.PI)) {
transformedInitAngle = transformedInitAngle - (2 * Math.PI);
}
double transformedEndAngle = endAngle + rot;
if (transformedEndAngle < 0) {
transformedEndAngle = transformedEndAngle + (2 * Math.PI);
} else if (transformedEndAngle > (2 * Math.PI)) {
transformedEndAngle = transformedEndAngle - (2 * Math.PI);
}
transformedEntity = (DwgArc) ((DwgArc) entity).clone();
transformedEntity.setCenter(transformedCenter);
transformedEntity.setRadius(transformedRadius);
transformedEntity.setInitAngle(transformedInitAngle);
transformedEntity.setEndAngle(transformedEndAngle);
dwgObjectsWithoutBlocks.add(transformedEntity);
} else if (entity instanceof DwgCircle) {
// System.out.println("Encuentra un c�rculo dentro de un bloque ...");
DwgCircle transformedEntity = new DwgCircle();
double[] center = ((DwgCircle) entity).getCenter();
Point2D pointAux = new Point2D.Double(center[0] - bPoint[0], center[1] - bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double laZ = center[2] * scale[2];
double[] transformedCenter = new double[]{laX, laY, laZ};
double radius = ((DwgCircle) entity).getRadius();
double transformedRadius = radius * scale[0];
transformedEntity = (DwgCircle) ((DwgCircle) entity).clone();
transformedEntity.setCenter(transformedCenter);
transformedEntity.setRadius(transformedRadius);
dwgObjectsWithoutBlocks.add(transformedEntity);
} else if (entity instanceof DwgEllipse) {
DwgEllipse transformedEntity = new DwgEllipse();
double[] center = ((DwgEllipse) entity).getCenter();
Point2D pointAux = new Point2D.Double(center[0] - bPoint[0], center[1] - bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double laZ = center[2] * scale[2];
double[] transformedCenter = new double[]{laX, laY, laZ};
double[] majorAxisVector = ((DwgEllipse) entity).getMajorAxisVector();
double[] transformedMajorAxisVector = new double[]{majorAxisVector[0] * scale[0],
majorAxisVector[1] * scale[1], majorAxisVector[2] * scale[2]};
// TODO: Rotar un �ngulo rot el vector majorAxisVector fijado en
// center.
double axisRatio = ((DwgEllipse) entity).getAxisRatio();
double transformedAxisRatio = axisRatio;
double initAngle = ((DwgEllipse) entity).getInitAngle();
double endAngle = ((DwgEllipse) entity).getEndAngle();
double transformedInitAngle = initAngle + rot;
if (transformedInitAngle < 0) {
transformedInitAngle = transformedInitAngle + (2 * Math.PI);
} else if (transformedInitAngle > (2 * Math.PI)) {
transformedInitAngle = transformedInitAngle - (2 * Math.PI);
}
double transformedEndAngle = endAngle + rot;
if (transformedEndAngle < 0) {
transformedEndAngle = transformedEndAngle + (2 * Math.PI);
} else if (transformedEndAngle > (2 * Math.PI)) {
transformedEndAngle = transformedEndAngle - (2 * Math.PI);
}
transformedEntity = (DwgEllipse) ((DwgEllipse) entity).clone();
transformedEntity.setCenter(transformedCenter);
transformedEntity.setMajorAxisVector(transformedMajorAxisVector);
transformedEntity.setAxisRatio(transformedAxisRatio);
transformedEntity.setInitAngle(transformedInitAngle);
transformedEntity.setEndAngle(transformedEndAngle);
dwgObjectsWithoutBlocks.add(transformedEntity);
} else if (entity instanceof DwgLine) {
// System.out.println("Encuentra una l�nea dentro de un bloque ...");
DwgLine transformedEntity = new DwgLine();
double[] p1 = ((DwgLine) entity).getP1();
double[] p2 = ((DwgLine) entity).getP2();
Point2D pointAux = new Point2D.Double(p1[0] - bPoint[0], p1[1] - bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double[] transformedP1 = null;
if (((DwgLine) entity).isZflag()) {
double laZ = p1[2] * scale[2];
transformedP1 = new double[]{laX, laY, laZ};
} else {
transformedP1 = new double[]{laX, laY};
}
// double[] transformedP1 = new double[]{laX, laY};
pointAux = new Point2D.Double(p2[0] - bPoint[0], p2[1] - bPoint[1]);
laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double[] transformedP2 = null;
if (((DwgLine) entity).isZflag()) {
double laZ = p2[2] * scale[2];
transformedP2 = new double[]{laX, laY, laZ};
} else {
transformedP2 = new double[]{laX, laY};
}
// double[] transformedP2 = new double[]{laX, laY};
transformedEntity = (DwgLine) ((DwgLine) entity).clone();
transformedEntity.setP1(transformedP1);
transformedEntity.setP2(transformedP2);
dwgObjectsWithoutBlocks.add(transformedEntity);
} else if (entity instanceof DwgLwPolyline) {
// System.out.println("Encuentra una DwgLwPolyline dentro de un bloque ...");
DwgLwPolyline transformedEntity = new DwgLwPolyline();
Point2D[] vertices = ((DwgLwPolyline) entity).getVertices();
if (vertices != null) {
Point2D[] transformedVertices = new Point2D[vertices.length];
for( int i = 0; i < vertices.length; i++ ) {
Point2D pointAux = new Point2D.Double(vertices[i].getX() - bPoint[0],
vertices[i].getY() - bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
transformedVertices[i] = new Point2D.Double(laX, laY);
}
transformedEntity = (DwgLwPolyline) ((DwgLwPolyline) entity).clone();
transformedEntity.setVertices(transformedVertices);
transformedEntity.setElevation(((DwgLwPolyline) entity).getElevation() * scale[2]);
dwgObjectsWithoutBlocks.add(transformedEntity);
}
} else if (entity instanceof DwgMText) {
} else if (entity instanceof DwgPoint) {
} else if (entity instanceof DwgPolyline2D) {
// System.out.println("Encuentra una polil�nea dentro de un bloque ...");
DwgPolyline2D transformedEntity = new DwgPolyline2D();
Point2D[] vertices = ((DwgPolyline2D) entity).getPts();
if (vertices != null) {
Point2D[] transformedVertices = new Point2D[vertices.length];
for( int i = 0; i < vertices.length; i++ ) {
Point2D pointAux = new Point2D.Double(vertices[i].getX() - bPoint[0],
vertices[i].getY() - bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
transformedVertices[i] = new Point2D.Double(laX, laY);
}
transformedEntity = (DwgPolyline2D) ((DwgPolyline2D) entity).clone();
transformedEntity.setPts(transformedVertices);
transformedEntity.setElevation(((DwgPolyline2D) entity).getElevation() * scale[2]);
dwgObjectsWithoutBlocks.add(transformedEntity);
}
} else if (entity instanceof DwgPolyline3D) {
} else if (entity instanceof DwgSolid) {
DwgSolid transformedEntity = new DwgSolid();
double[] corner1 = ((DwgSolid) entity).getCorner1();
double[] corner2 = ((DwgSolid) entity).getCorner2();
double[] corner3 = ((DwgSolid) entity).getCorner3();
double[] corner4 = ((DwgSolid) entity).getCorner4();
Point2D pointAux = new Point2D.Double(corner1[0] - bPoint[0], corner1[1] - bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double[] transformedP1 = new double[]{laX, laY};
pointAux = new Point2D.Double(corner2[0] - bPoint[0], corner2[1] - bPoint[1]);
laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double[] transformedP2 = new double[]{laX, laY};
pointAux = new Point2D.Double(corner3[0] - bPoint[0], corner3[1] - bPoint[1]);
laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double[] transformedP3 = new double[]{laX, laY};
pointAux = new Point2D.Double(corner4[0] - bPoint[0], corner4[1] - bPoint[1]);
laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double[] transformedP4 = new double[]{laX, laY};
transformedEntity = (DwgSolid) ((DwgSolid) entity).clone();
transformedEntity.setCorner1(transformedP1);
transformedEntity.setCorner2(transformedP2);
transformedEntity.setCorner3(transformedP3);
transformedEntity.setCorner4(transformedP4);
transformedEntity.setElevation(((DwgSolid) entity).getElevation() * scale[2]);
dwgObjectsWithoutBlocks.add(transformedEntity);
} else if (entity instanceof DwgSpline) {
} else if (entity instanceof DwgText) {
} else if (entity instanceof DwgInsert) {
// System.out.println("Encuentra un insert dentro de un bloque ...");
DwgInsert transformedEntity = new DwgInsert();
double[] p = ((DwgInsert) entity).getInsertionPoint();
Point2D point = new Point2D.Double(p[0], p[1]);
double[] newScale = ((DwgInsert) entity).getScale();
double newRot = ((DwgInsert) entity).getRotation();
int newBlockHandle = ((DwgInsert) entity).getBlockHeaderHandle();
Point2D pointAux = new Point2D.Double(point.getX() - bPoint[0], point.getY()
- bPoint[1]);
double laX = insPoint.getX()
+ ((pointAux.getX() * scale[0]) * Math.cos(rot) + (pointAux.getY() * scale[1])
* (-1) * Math.sin(rot));
double laY = insPoint.getY()
+ ((pointAux.getX() * scale[0]) * Math.sin(rot) + (pointAux.getY() * scale[1])
* Math.cos(rot));
double laZ = p[2] * scale[2];
Point2D newInsPoint = new Point2D.Double(laX, laY);
newScale = new double[]{scale[0] * newScale[0], scale[1] * newScale[1],
scale[2] * newScale[2]};
newRot = newRot + rot;
if (newRot < 0) {
newRot = newRot + (2 * Math.PI);
} else if (newRot > (2 * Math.PI)) {
newRot = newRot - (2 * Math.PI);
}
manageInsert(newInsPoint, newScale, newRot, newBlockHandle, id, dwgObjectsWithoutBlocks);
}
}
/**
* Initialize a new Vector that contains the DWG file layers. Each layer have three
* parameters. These parameters are handle, name and color
*/
public void initializeLayerTable() {
layerTable = new Vector();
layerNames = new Vector();
for( int i = 0; i < dwgObjects.size(); i++ ) {
DwgObject obj = (DwgObject) dwgObjects.get(i);
if (obj instanceof DwgLayer) {
Vector layerTableRecord = new Vector();
layerTableRecord.add(new Integer(obj.getHandle()));
layerTableRecord.add(((DwgLayer) obj).getName());
layerTableRecord.add(new Integer(((DwgLayer) obj).getColor()));
layerTable.add(layerTableRecord);
layerNames.add(((DwgLayer) obj).getName());
}
}
System.out.println("");
}
/**
* Returns the name of the layer of a DWG object
*
* @param entity DWG object which we want to know its layer name
* @return String Layer name of the DWG object
*/
// TODO: Gesti�n de capas pendiente ...
public String getLayerName( DwgObject entity ) {
String layerName = "";
int layer = entity.getLayerHandle();
for( int j = 0; j < layerTable.size(); j++ ) {
Vector layerTableRecord = (Vector) layerTable.get(j);
int lHandle = ((Integer) layerTableRecord.get(0)).intValue();
if (lHandle == layer) {
layerName = (String) layerTableRecord.get(1);
}
}
/*
* workaround for the cases in which the entity
* can't define it's own layer name: assign all the
* objects to the layer 0
*/
if (layerName.equals(""))
return "0";
return layerName;
}
/**
* Returns the color of the layer of a DWG object
*
* @param entity DWG object which we want to know its layer color
* @return int Layer color of the DWG object in the Autocad color code
*/
public int getColorByLayer( DwgObject entity ) {
int colorByLayer = 0;
int layer = entity.getLayerHandle();
for( int j = 0; j < layerTable.size(); j++ ) {
Vector layerTableRecord = (Vector) layerTable.get(j);
int lHandle = ((Integer) layerTableRecord.get(0)).intValue();
if (lHandle == layer) {
colorByLayer = ((Integer) layerTableRecord.get(2)).intValue();
}
}
return colorByLayer;
}
private void setDwgVersion() throws IOException {
System.out.println("DwgFile.setDwgVersion() executed ...");
File file = new File(fileName);
FileInputStream fileInputStream = new FileInputStream(file);
FileChannel fileChannel = fileInputStream.getChannel();
long channelSize = fileChannel.size();
ByteBuffer byteBuffer = fileChannel.map(FileChannel.MapMode.READ_ONLY, 0, channelSize);
byte[] versionBytes = {byteBuffer.get(0), byteBuffer.get(1), byteBuffer.get(2),
byteBuffer.get(3), byteBuffer.get(4), byteBuffer.get(5)};
ByteBuffer versionByteBuffer = ByteBuffer.wrap(versionBytes);
String versionString = readDwgVersion(versionByteBuffer);
String version;
if (versionString.equals("AC1009")) {
version = new String("R12");
} else if (versionString.equals("AC1010")) {
version = new String("R12+");
} else if (versionString.equals("AC1012")) {
version = new String("R13");
} else if (versionString.equals("AC1014")) {
version = new String("R14");
} else if (versionString.equals("AC1015")) {
version = new String("R15");
} else {
version = new String("Unknown");
}
this.dwgVersion = version;
}
private String readDwgVersion( ByteBuffer versionBuffer ) {
String[] bs = new String[versionBuffer.capacity()];
String sv = "";
for( int i = 0; i < versionBuffer.capacity(); i++ ) {
bs[i] = new String(new byte[]{(byte) (versionBuffer.get(i))});
sv = sv + bs[i];
}
return sv;
}
/**
* Test if the DWG file is 2D or 3D. If there is any object with a non cero
* elevation value, the file is considered 3D.
*/
public void testDwg3D() {
for( int i = 0; i < dwgObjects.size(); i++ ) {
DwgObject obj = (DwgObject) dwgObjects.get(i);
double z = 0.0;
if (obj instanceof DwgArc) {
z = ((DwgArc) obj).getCenter()[2];
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgAttrib) {
z = ((DwgAttrib) obj).getElevation();
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgBlockHeader) {
z = ((DwgBlockHeader) obj).getBasePoint()[2];
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgCircle) {
z = ((DwgCircle) obj).getCenter()[2];
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgEllipse) {
z = ((DwgEllipse) obj).getCenter()[2];
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgInsert) {
z = ((DwgInsert) obj).getInsertionPoint()[2];
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgLine) {
if (!((DwgLine) obj).isZflag()) {
double z1 = ((DwgLine) obj).getP1()[2];
double z2 = ((DwgLine) obj).getP2()[2];
if (z1 != 0.0 || z2 != 0.0)
dwg3DFile = true;
}
// } else if (obj instanceof DwgLinearDimension) {
// z = ((DwgLinearDimension)obj).getElevation();
// if (z!=0.0) dwg3DFile = true;
} else if (obj instanceof DwgLwPolyline) {
z = ((DwgLwPolyline) obj).getElevation();
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgMText) {
z = ((DwgMText) obj).getInsertionPoint()[2];
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgPoint) {
z = ((DwgPoint) obj).getPoint()[2];
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgPolyline2D) {
z = ((DwgPolyline2D) obj).getElevation();
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgPolyline3D) {
if (((DwgPolyline3D) obj).getPts() != null) {
double[][] pts = ((DwgPolyline3D) obj).getPts();
for( int j = 0; j < pts.length; j++ ) {
z = pts[j][2];
if (z != 0.0)
dwg3DFile = true;
}
}
} else if (obj instanceof DwgSolid) {
z = ((DwgSolid) obj).getElevation();
if (z != 0.0)
dwg3DFile = true;
} else if (obj instanceof DwgSpline) {
double[][] pts = ((DwgSpline) obj).getControlPoints();
for( int j = 0; j < pts.length; j++ ) {
z = pts[j][2];
if (z != 0.0)
dwg3DFile = true;
}
} else if (obj instanceof DwgText) {
z = ((DwgText) obj).getElevation();
if (z != 0.0)
dwg3DFile = true;
}
}
}
/**
* Add a DWG section offset to the dwgSectionOffsets vector
*
* @param key Define the DWG section
* @param seek Offset of the section
* @param size Size of the section
*/
public void addDwgSectionOffset( String key, int seek, int size ) {
DwgSectionOffset dso = new DwgSectionOffset(key, seek, size);
dwgSectionOffsets.add(dso);
}
/**
* Returns the offset of DWG section given by its key
*
* @param key Define the DWG section
* @return int Offset of the section in the DWG file
*/
public int getDwgSectionOffset( String key ) {
int offset = 0;
for( int i = 0; i < dwgSectionOffsets.size(); i++ ) {
DwgSectionOffset dso = (DwgSectionOffset) dwgSectionOffsets.get(i);
String ikey = dso.getKey();
if (key.equals(ikey)) {
offset = dso.getSeek();
break;
}
}
return offset;
}
/**
* Add a DWG object offset to the dwgObjectOffsets vector
*
* @param handle Object handle
* @param offset Offset of the object data in the DWG file
*/
public void addDwgObjectOffset( int handle, int offset ) {
DwgObjectOffset doo = new DwgObjectOffset(handle, offset);
dwgObjectOffsets.add(doo);
}
/**
*
* Add a DWG object to the dwgObject vector
*
* @param dwgObject DWG object
*/
public void addDwgObject( DwgObject dwgObject ) {
dwgObjects.add(dwgObject);
}
/**
* Add a DWG class to the dwgClasses vector
*
* @param dwgClass DWG class
*/
public void addDwgClass( DwgClass dwgClass ) {
System.out.println("DwgFile.addDwgClass() executed ...");
dwgClasses.add(dwgClass);
}
/**
* @return Returns the dwgObjectOffsets.
*/
public Vector getDwgObjectOffsets() {
return dwgObjectOffsets;
}
/**
* @return Returns the dwgObjects.
*/
public Vector getDwgObjects() {
return dwgObjects;
}
/**
* @return Returns the fileName.
*/
public String getFileName() {
return fileName;
}
/**
* @return Returns the dwg3DFile.
*/
public boolean isDwg3DFile() {
return dwg3DFile;
}
/**
* @param dwg3DFile The dwg3DFile to set.
*/
public void setDwg3DFile( boolean dwg3DFile ) {
this.dwg3DFile = dwg3DFile;
}
public Vector<String> getLayerNames() {
return layerNames;
}
}