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#include <mbgl/renderer/query.hpp>
#include <mbgl/renderer/tile_parameters.hpp>
#include <mbgl/style/sources/geojson_source.hpp>
#include <mbgl/tile/geojson_tile.hpp>
#include <mbgl/tile/geojson_tile_data.hpp>
namespace mbgl {
GeoJSONTile::GeoJSONTile(const OverscaledTileID& overscaledTileID,
std::string sourceID_,
const TileParameters& parameters,
std::shared_ptr<style::GeoJSONData> data_)
: GeometryTile(overscaledTileID, sourceID_, parameters) {
updateData(std::move(data_));
}
void GeoJSONTile::updateData(std::shared_ptr<style::GeoJSONData> data_, bool resetLayers) {
assert(data_);
data = std::move(data_);
data->getTile(id.canonical,
[this, self = weakFactory.makeWeakPtr(), capturedData = data.get(), resetLayers](
style::GeoJSONData::TileFeatures features) {
if (!self) return;
if (data.get() != capturedData) return;
auto tileData = std::make_unique<GeoJSONTileData>(std::move(features));
setData(std::move(tileData), resetLayers);
});
}
void GeoJSONTile::querySourceFeatures(
std::vector<Feature>& result,
const SourceQueryOptions& options) {
// Ignore the sourceLayer, there is only one
if (auto tileData = getData()) {
if (auto layer = tileData->getLayer({})) {
auto featureCount = layer->featureCount();
for (std::size_t i = 0; i < featureCount; i++) {
auto feature = layer->getFeature(i);
// Apply filter, if any
if (options.filter && !(*options.filter)(style::expression::EvaluationContext { static_cast<float>(this->id.overscaledZ), feature.get() })) {
continue;
}
result.push_back(convertFeature(*feature, id.canonical));
}
}
}
}
} // namespace mbgl
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