Exemplos de read_ndr_integer em C++ (Cpp)

Exemplo n.º 1

Arquivo: spatial_index.hpp Projeto: cquest/mapnik

void spatial_index<Value, Filter, InputStream, BBox>::query_node(Filter const& filter, InputStream& in, std::vector<Value>& results)
{
    int offset = read_ndr_integer(in);
    typename spatial_index<Value, Filter, InputStream, BBox>::bbox_type node_ext;
    read_envelope(in, node_ext);
    int num_shapes = read_ndr_integer(in);
    if (!filter.pass(node_ext))
    {
        in.seekg(offset + num_shapes * sizeof(Value) + 4, std::ios::cur);
        return;
    }

    for (int i = 0; i < num_shapes; ++i)
    {
        Value item;
        in.read(reinterpret_cast<char*>(&item), sizeof(Value));
        results.push_back(std::move(item));
    }

    int children = read_ndr_integer(in);
    for (int j = 0; j < children; ++j)
    {
        query_node(filter, in, results);
    }
}

Exemplo n.º 2

Arquivo: spatial_index.hpp Projeto: rtpavlovsk21/mapnik

void spatial_index<Value, Filter, InputStream>::query_first_n_impl(Filter const& filter, InputStream& in, std::vector<Value>& results, std::size_t count)
{
    if (results.size() == count) return;
    int offset = read_ndr_integer(in);
    box2d<double> node_ext;
    read_envelope(in, node_ext);
    int num_shapes = read_ndr_integer(in);
    if (!filter.pass(node_ext))
    {
        in.seekg(offset + num_shapes * sizeof(Value) + 4, std::ios::cur);
        return;
    }

    for (int i = 0; i < num_shapes; ++i)
    {
        Value item;
        in.read(reinterpret_cast<char*>(&item), sizeof(Value));
        if (results.size() < count) results.push_back(std::move(item));
    }
    int children = read_ndr_integer(in);
    for (int j = 0; j < children; ++j)
    {
        query_first_n_impl(filter, in, results, count);
    }
}