Fixed #28960 -- Added GEOSGeometry.buffer_with_style().

2 files changed, 13 insertions, 0 deletions

diff --git a/django/contrib/gis/geos/geometry.py b/django/contrib/gis/geos/geometry.py
index 1ebecc864b..80770dfa6b 100644
--- a/django/contrib/gis/geos/geometry.py
+++ b/django/contrib/gis/geos/geometry.py
@@ -499,6 +499,18 @@ class GEOSGeometryBase(GEOSBase):
         """
         return self._topology(capi.geos_buffer(self.ptr, width, quadsegs))
 
+    def buffer_with_style(self, width, quadsegs=8, end_cap_style=1, join_style=1, mitre_limit=5.0):
+        """
+        Same as buffer() but allows customizing the style of the buffer.
+
+        End cap style can be round (1), flat (2), or square (3).
+        Join style can be round (1), mitre (2), or bevel (3).
+        Mitre ratio limit only affects mitered join style.
+        """
+        return self._topology(
+            capi.geos_bufferwithstyle(self.ptr, width, quadsegs, end_cap_style, join_style, mitre_limit),
+        )
+
     @property
     def centroid(self):
         """
diff --git a/django/contrib/gis/geos/prototypes/topology.py b/django/contrib/gis/geos/prototypes/topology.py
index f8c36bc6f5..9ca0dce695 100644
--- a/django/contrib/gis/geos/prototypes/topology.py
+++ b/django/contrib/gis/geos/prototypes/topology.py
@@ -21,6 +21,7 @@ class Topology(GEOSFuncFactory):
 # Topology Routines
 geos_boundary = Topology('GEOSBoundary')
 geos_buffer = Topology('GEOSBuffer', argtypes=[GEOM_PTR, c_double, c_int])
+geos_bufferwithstyle = Topology('GEOSBufferWithStyle', argtypes=[GEOM_PTR, c_double, c_int, c_int, c_int, c_double])
 geos_centroid = Topology('GEOSGetCentroid')
 geos_convexhull = Topology('GEOSConvexHull')
 geos_difference = Topology('GEOSDifference', argtypes=[GEOM_PTR, GEOM_PTR])