From a8496eef037d063555e8e7dbe9094cb955ae6897 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Wed, 30 Dec 2020 13:30:11 +0100
Subject: [PATCH] box-drawing: thickness(): ensure thickness is *at least* 1px

---
 box-drawing.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/box-drawing.c b/box-drawing.c
index b368210a..8584f8ad 100644
--- a/box-drawing.c
+++ b/box-drawing.c
@@ -18,7 +18,7 @@
 static int
 thickness(float pts, int dpi)
 {
-    return pts * (float)dpi / 72.0;
+    return max(pts * (float)dpi / 72.0, 1);
 }
 
 static void