From: Po Lu <luangruo@yahoo.com>
Date: Fri, 3 Nov 2023 07:20:04 +0000 (+0800)
Subject: Round underline position and thickness
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=9867be2f6c2f9a94aa4778d72b598717a0925d73;p=emacs.git

Round underline position and thickness

* src/sfntfont.c (sfntfont_open): Round underline thickness
instead of truncating it, as is proper according to several
inquiries.
---

diff --git a/src/sfntfont.c b/src/sfntfont.c
index 80fbde9772c..39b250ac11e 100644
--- a/src/sfntfont.c
+++ b/src/sfntfont.c
@@ -3287,10 +3287,10 @@ sfntfont_open (struct frame *f, Lisp_Object font_entity,
     {
       font_info->font.underline_position
 	= sfnt_coerce_fixed (-desc->underline_position
-			     * font_info->scale);
+			     * font_info->scale) + 0.5;
       font_info->font.underline_thickness
 	= sfnt_coerce_fixed (desc->underline_thickness
-			     * font_info->scale);
+			     * font_info->scale) + 0.5;
     }
 
   /* Now try to set up grid fitting for this font.  */