From 0fefbeaf965f087a359f7ae6845bcefff7a71389 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Thu, 21 Feb 2019 08:24:04 +0100
Subject: [PATCH] fixed using (manually changed) invalid values for editor zoom
 tile size

---
 src/editor.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/editor.c b/src/editor.c
index 093b2290..dc1b528f 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -8402,6 +8402,9 @@ static void InitZoomLevelSettings(int zoom_tilesize)
     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
 
+    // make sure that tile size is always a power of 2
+    ed_tilesize = (1 << log_2(ed_tilesize));
+
     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
     {
       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
-- 
2.34.1