Cleanup: Rename ARegion variables from ar to region

The old convention was easy to confuse with ScrArea.
Part of https://developer.blender.org/T74432.

This is mostly a batch rename with some manual fixing. Only single word
variable names are changed, no prefixed/suffixed names.

Brecht van Lommel and Campbell Barton both gave me a green light for
this convention change.

Also ran clan clang format on affected files.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/blender/editors/transform/transform_convert_mask.c b/source/blender/editors/transform/transform_convert_mask.c
index 32152442acf..65244a09b73 100644
--- a/source/blender/editors/transform/transform_convert_mask.c
+++ b/source/blender/editors/transform/transform_convert_mask.c
@@ -333,7 +333,7 @@ void createTransMaskingData(bContext *C, TransInfo *t)
     return;
   }
 
-  ED_mask_get_aspect(t->sa, t->ar, &asp[0], &asp[1]);
+  ED_mask_get_aspect(t->sa, t->region, &asp[0], &asp[1]);
 
   tc->data_len = (is_prop_edit) ? count : countsel;
   td = tc->data = MEM_callocN(tc->data_len * sizeof(TransData), "TransObData(Mask Editing)");
@@ -409,7 +409,7 @@ void flushTransMasking(TransInfo *t)
 
   TransDataContainer *tc = TRANS_DATA_CONTAINER_FIRST_SINGLE(t);
 
-  ED_mask_get_aspect(t->sa, t->ar, &asp[0], &asp[1]);
+  ED_mask_get_aspect(t->sa, t->region, &asp[0], &asp[1]);
   inv[0] = 1.0f / asp[0];
   inv[1] = 1.0f / asp[1];