43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
#include <mbgl/tile/geojson_tile.hpp>
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#include <mbgl/tile/geojson_tile_data.hpp>
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#include <mbgl/renderer/query.hpp>
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#include <mbgl/renderer/tile_parameters.hpp>
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namespace mbgl {
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GeoJSONTile::GeoJSONTile(const OverscaledTileID& overscaledTileID,
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std::string sourceID_,
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const TileParameters& parameters,
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mapbox::feature::feature_collection<int16_t> features)
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: GeometryTile(overscaledTileID, sourceID_, parameters) {
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updateData(std::move(features));
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}
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void GeoJSONTile::updateData(mapbox::feature::feature_collection<int16_t> features) {
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setData(std::make_unique<GeoJSONTileData>(std::move(features)));
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}
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void GeoJSONTile::querySourceFeatures(
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std::vector<Feature>& result,
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const SourceQueryOptions& options) {
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// Ignore the sourceLayer, there is only one
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if (auto tileData = getData()) {
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if (auto layer = tileData->getLayer({})) {
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auto featureCount = layer->featureCount();
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for (std::size_t i = 0; i < featureCount; i++) {
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auto feature = layer->getFeature(i);
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// Apply filter, if any
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if (options.filter && !(*options.filter)(style::expression::EvaluationContext { static_cast<float>(this->id.overscaledZ), feature.get() })) {
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continue;
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}
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result.push_back(convertFeature(*feature, id.canonical));
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}
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}
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}
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}
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} // namespace mbgl
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