package org.geotools.data.dxf.entities;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import java.io.EOFException;
import org.geotools.data.dxf.parser.DXFLineNumberReader;
import java.io.IOException;
import org.geotools.data.GeometryType;
import org.geotools.data.dxf.parser.DXFUnivers;
import org.geotools.data.dxf.header.DXFLayer;
import org.geotools.data.dxf.header.DXFLineType;
import org.geotools.data.dxf.parser.DXFCodeValuePair;
import org.geotools.data.dxf.parser.DXFGroupCode;
import org.geotools.data.dxf.parser.DXFParseException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
*
*
* @source $URL$
*/
public class DXFLine extends DXFEntity {
private static final Log log = LogFactory.getLog(DXFLine.class);
public DXFPoint _a = new DXFPoint();
public DXFPoint _b = new DXFPoint();
public DXFLine(DXFLine newLine) {
this(new DXFPoint(newLine._a._point.x, newLine._a._point.y, newLine.getColor(), null, 0, newLine.getThickness()),
new DXFPoint(newLine._b._point.x, newLine._b._point.y, newLine.getColor(), null, 0, newLine.getThickness()),
newLine.getColor(), newLine.getRefLayer(), newLine.getLineType(), newLine.getThickness(), 0);
setType(newLine.getType());
setStartingLineNumber(newLine.getStartingLineNumber());
setUnivers(newLine.getUnivers());
}
public DXFLine(DXFPoint a, DXFPoint b, int c, DXFLayer l, DXFLineType lineType, double thickness, int visibility) {
super(c, l, visibility, lineType, thickness);
_a = a;
_b = b;
setName("DXFLine");
}
public DXFLine(DXFPoint a, DXFPoint b, int c, DXFLayer l, DXFLineType lineType, double thickness, int visibility, DXFExtendedData extData) {
super(c, l, visibility, lineType, thickness);
_a = a;
_b = b;
setName("DXFLine");
_extendedData = extData;
}
public static DXFLine read(DXFLineNumberReader br, DXFUnivers univers) throws IOException {
DXFLayer l = null;
double x1 = 0, y1 = 0, x2 = 0, y2 = 0, thickness = 0;
DXFLineType lineType = null;
int visibility = 1, c = -1;
int sln = br.getLineNumber();
log.debug(">>Enter at line: " + sln);
DXFCodeValuePair cvp = null;
DXFGroupCode gc = null;
DXFExtendedData _extData = null;
boolean doLoop = true;
while (doLoop) {
cvp = new DXFCodeValuePair();
try {
gc = cvp.read(br);
} catch (DXFParseException ex) {
throw new IOException("DXF parse error" + ex.getLocalizedMessage());
} catch (EOFException e) {
doLoop = false;
break;
}
switch (gc) {
case TYPE:
String type = cvp.getStringValue();
// geldt voor alle waarden van type
br.reset();
doLoop = false;
break;
case X_1: //"10"
x1 = cvp.getDoubleValue();
break;
case Y_1: //"20"
y1 = cvp.getDoubleValue();
break;
case X_2: //"11"
x2 = cvp.getDoubleValue();
break;
case Y_2: //"21"
y2 = cvp.getDoubleValue();
break;
case LAYER_NAME: //"8"
l = univers.findLayer(cvp.getStringValue());
break;
case COLOR: //"62"
c = cvp.getShortValue();
break;
case LINETYPE_NAME: //"6"
lineType = univers.findLType(cvp.getStringValue());
break;
case THICKNESS: //"39"
thickness = cvp.getDoubleValue();
break;
case VISIBILITY: //"60"
visibility = cvp.getShortValue();
break;
case XDATA_APPLICATION_NAME:
String appName = cvp.getStringValue();
_extData = DXFExtendedData.getExtendedData(br);
_extData.setAppName(appName);
break;
default:
break;
}
}
DXFLine e = new DXFLine(new DXFPoint(x1, y1, c, l, visibility, 1),
new DXFPoint(x2, y2, c, l, visibility, 1),
c,
l,
lineType,
thickness,
visibility,
_extData);
e.setType(GeometryType.LINE);
e.setStartingLineNumber(sln);
e.setUnivers(univers);
log.debug(e.toString(x1, y1, x2, y2, c, visibility, thickness));
log.debug(">Exit at line: " + br.getLineNumber());
return e;
}
public Coordinate[] toCoordinateArray() {
if (_a == null || _b == null) {
addError("coordinate array can not be created.");
return null;
}
return rotateAndPlace(new Coordinate[]{_a.toCoordinate(), _b.toCoordinate()});
}
@Override
public Geometry getGeometry() {
if (geometry == null) {
updateGeometry();
}
return super.getGeometry();
}
@Override
public void updateGeometry() {
Coordinate[] ca = toCoordinateArray();
if (ca != null && ca.length > 1) {
geometry = getUnivers().getGeometryFactory().createLineString(ca);
} else {
addError("coordinate array faulty, size: " + (ca == null ? 0 : ca.length));
}
}
public String toString(double x1, double y1, double x2, double y2, int c, int visibility, double thickness) {
StringBuffer s = new StringBuffer();
s.append("DXFLine [");
s.append("x1: ");
s.append(x1 + ", ");
s.append("y1: ");
s.append(y1 + ", ");
s.append("x2: ");
s.append(x2 + ", ");
s.append("y2: ");
s.append(y2 + ", ");
s.append("color: ");
s.append(c + ", ");
s.append("visibility: ");
s.append(visibility + ", ");
s.append("thickness: ");
s.append(thickness);
s.append("]");
return s.toString();
}
@Override
public DXFEntity translate(double x, double y) {
_a._point.x += x;
_a._point.y += y;
_b._point.x += x;
_b._point.y += y;
return this;
}
@Override
public DXFEntity clone() {
return new DXFLine(this);
}
}