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// Copyright 2005 Google Inc. All Rights Reserved.
#include "s2pointregion.h"
#include "base/logging.h"
#include "util/coding/coder.h"
#include "s2cap.h"
#include "s2cell.h"
#include "s2latlngrect.h"
static const unsigned char kCurrentEncodingVersionNumber = 1;
S2PointRegion::~S2PointRegion() {
}
S2PointRegion* S2PointRegion::Clone() const {
return new S2PointRegion(point_);
}
S2Cap S2PointRegion::GetCapBound() const {
return S2Cap::FromAxisHeight(point_, 0);
}
S2LatLngRect S2PointRegion::GetRectBound() const {
S2LatLng ll(point_);
return S2LatLngRect(ll, ll);
}
bool S2PointRegion::MayIntersect(S2Cell const& cell) const {
return cell.Contains(point_);
}
void S2PointRegion::Encode(Encoder* encoder) const {
encoder->Ensure(30); // sufficient
encoder->put8(kCurrentEncodingVersionNumber);
for (int i = 0; i < 3; ++i) {
encoder->putdouble(point_[i]);
}
DCHECK_GE(encoder->avail(), 0);
}
bool S2PointRegion::Decode(Decoder* decoder) {
unsigned char version = decoder->get8();
if (version > kCurrentEncodingVersionNumber) return false;
for (int i = 0; i < 3; ++i) {
point_[i] = decoder->getdouble();
}
DCHECK(S2::IsUnitLength(point_));
return decoder->avail() >= 0;
}
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