void
WKBWriter::writePolygon(const Polygon& g)
{
writeByteOrder();
writeGeometryType(WKBConstants::wkbPolygon, g.getSRID());
writeSRID(g.getSRID());
if(g.isEmpty()) {
writeInt(0);
return;
}
std::size_t nholes = g.getNumInteriorRing();
writeInt(static_cast<int>(nholes + 1));
const LineString* ls = g.getExteriorRing();
assert(ls);
const CoordinateSequence* cs = ls->getCoordinatesRO();
assert(cs);
writeCoordinateSequence(*cs, true);
for(std::size_t i = 0; i < nholes; i++) {
ls = g.getInteriorRingN(i);
assert(ls);
cs = ls->getCoordinatesRO();
assert(cs);
writeCoordinateSequence(*cs, true);
}
}
void
WKBWriter::writePolygon(const Polygon &g)
{
writeByteOrder();
writeGeometryType(WKBConstants::wkbPolygon, g.getSRID());
writeSRID(g.getSRID());
int nholes = g.getNumInteriorRing();
writeInt(nholes+1);
const LineString* ls = g.getExteriorRing();
assert(ls);
const CoordinateSequence* cs=ls->getCoordinatesRO();
assert(cs);
writeCoordinateSequence(*cs, true);
for (int i=0; i<nholes; i++)
{
ls = g.getInteriorRingN(i);
assert(ls);
cs = ls->getCoordinatesRO();
assert(cs);
writeCoordinateSequence(*cs, true);
}
}
void
WKBWriter::writeLineString(const LineString& g)
{
writeByteOrder();
writeGeometryType(WKBConstants::wkbLineString, g.getSRID());
writeSRID(g.getSRID());
const CoordinateSequence* cs = g.getCoordinatesRO();
assert(cs);
writeCoordinateSequence(*cs, true);
}
void
WKBWriter::writePoint(const Point& g)
{
if(g.isEmpty()) throw
util::IllegalArgumentException("Empty Points cannot be represented in WKB");
writeByteOrder();
writeGeometryType(WKBConstants::wkbPoint, g.getSRID());
writeSRID(g.getSRID());
const CoordinateSequence* cs = g.getCoordinatesRO();
assert(cs);
writeCoordinateSequence(*cs, false);
}
void
WKBWriter::writeGeometryCollection(const GeometryCollection &g,
int wkbtype)
{
writeByteOrder();
writeGeometryType(wkbtype, g.getSRID());
writeSRID(g.getSRID());
int ngeoms = g.getNumGeometries();
writeInt(ngeoms);
assert(outStream);
for (int i=0; i<ngeoms; i++)
{
const Geometry* elem = g.getGeometryN(i);
assert(elem);
write(*elem, *outStream);
}
}
void
WKBWriter::writeCircularArc(const CircularArc &g)
{
writeByteOrder();
writeGeometryType(WKBConstants::wkbCircularArc, g.getSRID());
writeSRID(g.getSRID());
ByteOrderValues::putDouble(g.GetCenterPoint().x, buf, byteOrder);
outStream->write(reinterpret_cast<char *>(buf), 8);
ByteOrderValues::putDouble(g.GetCenterPoint().y, buf, byteOrder);
outStream->write(reinterpret_cast<char *>(buf), 8);
ByteOrderValues::putDouble(g.GetRadius(), buf, byteOrder);
outStream->write(reinterpret_cast<char *>(buf), 8);
ByteOrderValues::putDouble(g.GetStartAngle(), buf, byteOrder);
outStream->write(reinterpret_cast<char *>(buf), 8);
ByteOrderValues::putDouble(g.GetCenterAngle(), buf, byteOrder);
outStream->write(reinterpret_cast<char *>(buf), 8);
}
void
WKBWriter::writeGeometryCollection(const GeometryCollection& g,
int wkbtype)
{
writeByteOrder();
writeGeometryType(wkbtype, g.getSRID());
writeSRID(g.getSRID());
auto ngeoms = g.getNumGeometries();
writeInt(static_cast<int>(ngeoms));
auto orig_includeSRID = includeSRID;
includeSRID = false;
assert(outStream);
for(std::size_t i = 0; i < ngeoms; i++) {
const Geometry* elem = g.getGeometryN(i);
assert(elem);
write(*elem, *outStream);
}
includeSRID = orig_includeSRID;
}
