void visitElement(const utymap::entities::Element &element,
const Coordinates &coordinates) {
auto ctags = getTags(element);
auto cstyles = getStyles(element);
fillVertices(coordinates);
elementCallback_(tag_, element.id,
ctags.data(), static_cast<int>(ctags.size()),
vertices_.data(), static_cast<int>(vertices_.size()),
cstyles.data(), static_cast<int>(cstyles.size()));
// NOTE clear vectors after raw array data is consumed by external code
vertices_.clear();
tagStrings_.clear();
styleStrings_.clear();
}
void visitElement(const utymap::entities::Element& element, const Coordinates& coordinates)
{
// convert tags
std::vector<const char*> ctags;
tagStrings_.reserve(element.tags.size() * 2);
ctags.reserve(element.tags.size() * 2);
for (auto i = 0; i < element.tags.size(); ++i) {
const utymap::entities::Tag& tag = element.tags[i];
tagStrings_.push_back(stringTable_.getString(tag.key));
tagStrings_.push_back(stringTable_.getString(tag.value));
ctags.push_back(tagStrings_[tagStrings_.size() - 2].c_str());
ctags.push_back(tagStrings_[tagStrings_.size() - 1].c_str());
}
// convert geometry
std::vector<double> coords;
coords.reserve(coordinates.size() * 2);
for (auto i = 0; i < coordinates.size(); ++i) {
const utymap::GeoCoordinate coordinate = coordinates[i];
coords.push_back(coordinate.longitude);
coords.push_back(coordinate.latitude);
}
// convert style
utymap::mapcss::Style style = styleProvider_.forElement(element, levelOfDetail_);
std::vector<const char*> cstyles;
tagStrings_.reserve(style.declarations.size() * 2);
cstyles.reserve(style.declarations.size());
for (const auto pair : style.declarations) {
styleStrings_.push_back(stringTable_.getString(pair.first));
styleStrings_.push_back(*pair.second->value());
cstyles.push_back(styleStrings_[styleStrings_.size() - 2].c_str());
cstyles.push_back(styleStrings_[styleStrings_.size() - 1].c_str());
}
elementCallback_(element.id, ctags.data(), ctags.size(),
coords.data(), coords.size(), cstyles.data(), cstyles.size());
tagStrings_.clear();
styleStrings_.clear();
}
