geos::geom::MultiLineString* GeoJSONReader::getMultiLineString(Handle<Value> coords) {
if (coords->IsArray()) {
Handle<Array> array = Handle<Array>::Cast(coords);
uint32_t length = array->Length();
std::vector<geos::geom::Geometry*>* geoms = new std::vector<geos::geom::Geometry*>();
try {
for (uint32_t i = 0; i < length; i++) {
geos::geom::LineString* g = getLineString(array->Get(i));
geoms->push_back(g);
}
}
catch (...) {
unsigned size = geoms->size();
for (unsigned int i = 0; i < size; i++)
delete (*geoms)[i];
delete geoms;
throw;
}
return geometryFactory->createMultiLineString(geoms);
}
return geometryFactory->createMultiLineString();
}
void testTruncate() {
printf( "testTruncate\n" );
char buffer[20];
getLineString( buffer, "123456789012345" );
assert( !strcmp( buffer, "123456789012" ) );
printf( "." );
printf( "\ntestTruncate successful.\n" );
}
geos::geom::Geometry* GeoJSONReader::read(Handle<Value> value) {
if (!value->IsObject()) {
throw "GeoJSON must be an instance of Object";
}
Isolate* isolate = Isolate::GetCurrent();
HandleScope scope(isolate);
Handle<Object> obj = Handle<Object>::Cast(value);
Handle<String> typeKey = String::NewFromUtf8(isolate, "type");
if (!obj->HasOwnProperty(typeKey)) {
throw "Property \"type\" is missing";
}
std::string string = *String::Utf8Value(obj->Get(typeKey)->ToString());
geos::geom::Geometry* g;
try {
if (string == "Point") {
g = getPoint(getCoordsArray(obj));
} else if (string == "LineString") {
g = getLineString(getCoordsArray(obj));
} else if (string == "Polygon") {
g = getPolygon(getCoordsArray(obj));
} else if (string == "MultiPoint") {
g = getMultiPoint(getCoordsArray(obj));
} else if (string == "MultiLineString") {
g = getMultiLineString(getCoordsArray(obj));
} else if (string == "MultiPolygon") {
g = getMultiPolygon(getCoordsArray(obj));
} else if (string == "GeometryCollection") {
g = getGeometryCollection(getGeomsArray(obj));
}
else {
throw "Property \"type\" has a value that is not supported or allowed";
}
}
catch (...) {
throw;
}
return g;
}
LineString getLineString(const uint32 quality = 24) const
{
return getLineString(0.0, 1.0, quality);
}
const Bezier2& Bezier2::draw(const double thickness, const ColorF& color) const
{
getLineString().draw(thickness, color);
return *this;
}
void Bezier3::draw(const double thickness, const ColorF& color) const
{
getLineString().draw(thickness, color);
}
