BMesh: add UV calculate center call

Move uv_poly_center to BM_face_uv_calc_center_median as
it was only defined in uvedit_intern.h

2 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/bmesh/intern/bmesh_query_uv.c b/source/blender/bmesh/intern/bmesh_query_uv.c
index b9ea51f0c4d..1aa75bfb037 100644
--- a/source/blender/bmesh/intern/bmesh_query_uv.c
+++ b/source/blender/bmesh/intern/bmesh_query_uv.c
@@ -95,6 +95,20 @@ void BM_face_uv_calc_center_median_weighted(const BMFace *f,
 
 #undef UV_ASPECT
 
+void BM_face_uv_calc_center_median(const BMFace *f, const int cd_loop_uv_offset, float r_cent[2])
+{
+  const BMLoop *l_iter;
+  const BMLoop *l_first;
+  zero_v2(r_cent);
+  l_iter = l_first = BM_FACE_FIRST_LOOP(f);
+  do {
+    const MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l_iter, cd_loop_uv_offset);
+    add_v2_v2(r_cent, luv->uv);
+  } while ((l_iter = l_iter->next) != l_first);
+
+  mul_v2_fl(r_cent, 1.0f / (float)f->len);
+}
+
 /**
  * Calculate the UV cross product (use the sign to check the winding).
  */
diff --git a/source/blender/bmesh/intern/bmesh_query_uv.h b/source/blender/bmesh/intern/bmesh_query_uv.h
index 3465a831bea..0a86c0cbeae 100644
--- a/source/blender/bmesh/intern/bmesh_query_uv.h
+++ b/source/blender/bmesh/intern/bmesh_query_uv.h
@@ -31,6 +31,8 @@ void BM_face_uv_calc_center_median_weighted(const BMFace *f,
                                             const float aspect[2],
                                             const int cd_loop_uv_offset,
                                             float r_cent[2]) ATTR_NONNULL();
+void BM_face_uv_calc_center_median(const BMFace *f, const int cd_loop_uv_offset, float r_cent[2])
+    ATTR_NONNULL();
 
 float BM_face_uv_calc_cross(const BMFace *f, const int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
     ATTR_NONNULL();