[core] Use GeometryTileFeature::defaultExtent by default

GeoJSONTile and AnnotationTile don't need to reimplement getExtent() if
they use the same default value. This also helps point and shape
annotations to avoid using raw values.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/mbgl/annotation/shape_annotation_impl.cpp b/src/mbgl/annotation/shape_annotation_impl.cpp
index c8b31ef11f..a9277ee0a7 100644
--- a/src/mbgl/annotation/shape_annotation_impl.cpp
+++ b/src/mbgl/annotation/shape_annotation_impl.cpp
@@ -81,11 +81,10 @@ void ShapeAnnotationImpl::updateStyle(Style& style) {
 
 void ShapeAnnotationImpl::updateTile(const TileID& tileID, AnnotationTile& tile) {
     static const double baseTolerance = 4;
-    static const uint16_t extent = 4096;
 
     if (!shapeTiler) {
         const uint64_t maxAmountOfTiles = 1 << maxZoom;
-        const double tolerance = baseTolerance / (maxAmountOfTiles * extent);
+        const double tolerance = baseTolerance / (maxAmountOfTiles * GeometryTileFeature::defaultExtent);
 
         geojsonvt::ProjectedRings rings;
         std::vector<geojsonvt::LonLat> points;