diff options
Diffstat (limited to 'src/mbgl/style/source_impl.cpp')
-rw-r--r-- | src/mbgl/style/source_impl.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mbgl/style/source_impl.cpp b/src/mbgl/style/source_impl.cpp index 4223f2b50d..95363ca699 100644 --- a/src/mbgl/style/source_impl.cpp +++ b/src/mbgl/style/source_impl.cpp @@ -207,6 +207,11 @@ static Point<int16_t> coordinateToTilePoint(const UnwrappedTileID& tileID, const } std::unordered_map<std::string, std::vector<Feature>> Source::Impl::queryRenderedFeatures(const QueryParameters& parameters) const { + std::unordered_map<std::string, std::vector<Feature>> result; + if (renderTiles.empty()) { + return result; + } + LineString<double> queryGeometry; for (const auto& p : parameters.geometry) { @@ -214,9 +219,11 @@ std::unordered_map<std::string, std::vector<Feature>> Source::Impl::queryRendere parameters.transformState, 0, { p.x, parameters.transformState.getHeight() - p.y }).p); } - mapbox::geometry::box<double> box = mapbox::geometry::envelope(queryGeometry); + if (queryGeometry.empty()) { + return result; + } - std::unordered_map<std::string, std::vector<Feature>> result; + mapbox::geometry::box<double> box = mapbox::geometry::envelope(queryGeometry); for (const auto& tilePtr : renderTiles) { const RenderTile& tile = tilePtr.second; |