Index: dvi.c
===================================================================
--- dvi.c	(revision 34)
+++ dvi.c	(working copy)
@@ -117,6 +117,7 @@
   unsigned long rgba_color;
   FT_Face ft_face;
   unsigned short *glyph_widths;
+  int   layout_dir;
 #endif
 } *loaded_fonts = NULL;
 static int num_loaded_fonts = 0, max_loaded_fonts = 0;
@@ -830,6 +831,7 @@
       mrec->opt.glyph_widths[i] = 0xffff;
   }
   loaded_fonts[cur_id].glyph_widths = mrec->opt.glyph_widths;
+  loaded_fonts[cur_id].layout_dir = layout_dir;
 
   if (verbose)
     MESG(">");
@@ -1667,7 +1669,9 @@
     if (glyph_id < font->ft_face->num_glyphs) {
       if (font->glyph_widths[glyph_id] == 0xffff) {
         FT_Load_Glyph(font->ft_face, glyph_id, FT_LOAD_NO_SCALE);
-        font->glyph_widths[glyph_id] = font->ft_face->glyph->advance.x;
+        font->glyph_widths[glyph_id] = (font->layout_dir == 0)
+                                        ? font->ft_face->glyph->metrics.horiAdvance
+                                        : font->ft_face->glyph->metrics.vertAdvance;
       }
       glyph_width = (double)font->size * (double)font->glyph_widths[glyph_id] / (double)font->ft_face->units_per_EM;
       if (compute_boxes && link_annot && marked_depth >= tagged_depth) {