C++ (Cpp) MultiPolygon::Wrap Examples

Example #1

File: gdal_multipolygon.cpp Project: Mofangbao/node-gdal

Handle<Value> MultiPolygon::New(const Arguments& args)
{
	HandleScope scope;
	MultiPolygon *f;

	if (!args.IsConstructCall()) {
		return NODE_THROW("Cannot call constructor as function, you need to use 'new' keyword");
	}

	if (args[0]->IsExternal()) {
		Local<External> ext = Local<External>::Cast(args[0]);
		void* ptr = ext->Value();
		f = static_cast<MultiPolygon *>(ptr);

	} else {
		if (args.Length() != 0) {
			return NODE_THROW("MultiPolygon constructor doesn't take any arguments");
		}
		f = new MultiPolygon(new OGRMultiPolygon());
	}

	Handle<Value> children = GeometryCollectionChildren::New(args.This()); 
	args.This()->SetHiddenValue(String::NewSymbol("children_"), children); 

	f->Wrap(args.This());
	return args.This();
}