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);
}
