Add hash for QgsTileXYZ

qgis · May 9, 2023 · cfe09ee · cfe09ee
1 parent 171baf0
commit cfe09ee
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/core/qgstiles.h b/src/core/qgstiles.h
@@ -70,6 +70,21 @@ class CORE_EXPORT QgsTileXYZ
     int mZoomLevel = -1;
 };
 
+/**
+ * Returns a hash for a tile \a id.
+ *
+ * \since QGIS 3.32
+ */
+CORE_EXPORT inline uint qHash( QgsTileXYZ id ) SIP_SKIP
+{
+  return id.column() + id.row() + id.zoomLevel();
+
+  const uint h1 = qHash( static_cast< quint64 >( id.column( ) ) );
+  const uint h2 = qHash( static_cast< quint64 >( id.row() ) );
+  const uint h3 = qHash( static_cast< quint64 >( id.zoomLevel() ) );
+  return h1 ^ ( h2 << 1 ) ^ ( h3 );
+}
+
 
 /**
  * \ingroup core