[Emacs-diffs] Changes to emacs/src/w32term.c,v

[Kenichi Handa]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Kenichi Handa <handa>   08/05/23 06:11:53

Index: w32term.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/w32term.c,v
retrieving revision 1.290
retrieving revision 1.291
diff -u -b -r1.290 -r1.291
--- w32term.c   23 May 2008 04:43:48 -0000      1.290
+++ w32term.c   23 May 2008 06:11:53 -0000      1.291
@@ -2909,6 +2909,12 @@
                   position = (s->font->descent + 1) / 2;
                 }
             }
+         /* Check the sanity of thickness and position.  We should
+            avoid drawing underline out of the current line area.  */
+         if (s->y + s->height <= s->ybase + position)
+           position = s->y + s->height - 1;
+         if (s->y + s->height < s->ybase + position + thickness)
+           thickness = (s->y + s->height) - (s->ybase + position);
          s->underline_thickness = thickness;
          s->underline_position =position;
           y = s->ybase + position;