From d8f7aa4697faeffccb32a45235378afc69f402fd Mon Sep 17 00:00:00 2001
From: Maximilian Albert <maximilian.albert@gmail.com>
Date: Tue, 7 Aug 2007 06:56:36 +0000
Subject: Set z-orders of 3D box faces during dragging/resizing according to
 the perspective

(bzr r3409)
---
 src/axis-manip.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/axis-manip.h')

diff --git a/src/axis-manip.h b/src/axis-manip.h
index 7461678d5..5690eedcb 100644
--- a/src/axis-manip.h
+++ b/src/axis-manip.h
@@ -66,6 +66,10 @@ inline gint face_to_int (guint face_id) {
     }
 }
 
+inline guint opposite_face (guint face_id) {
+    return face_id + ((face_id % 2 == 0) ? 1 : -1);
+}
+
 inline bool is_single_axis_direction (Box3D::Axis dir) {
     // tests whether dir is nonzero and a power of 2
     return (!(dir & (dir - 1)) && dir);
-- 
cgit v1.2.3