From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Date: Mon, 27 Aug 2007 08:33:57 +0000 (+0000)
Subject: (x_draw_composite_glyph_string_foreground): Draw rectangle
X-Git-Tag: emacs-pretest-22.1.90~891
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=769174c4d4efe3e849480e4410c679605bb51eb2;p=emacs.git

(x_draw_composite_glyph_string_foreground): Draw rectangle
for nonexistent or zero-width glyph in composition glyph.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 73a906bcc56..5ad9ac7d84e 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2007-08-27  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
+
+	* macterm.c (x_draw_composite_glyph_string_foreground): Draw rectangle
+	for nonexistent or zero-width glyph in composition glyph.
+
 2007-08-27  Richard Stallman  <rms@gnu.org>
 
 	* eval.c (condition-case): Doc fix.
diff --git a/src/macterm.c b/src/macterm.c
index b282bac3aa6..01ac7328d6f 100644
--- a/src/macterm.c
+++ b/src/macterm.c
@@ -2973,10 +2973,17 @@ x_draw_composite_glyph_string_foreground (s)
   else
     {
       for (i = 0; i < s->nchars; i++, ++s->gidx)
-	mac_draw_image_string_16 (s->f, s->gc,
-				  x + s->cmp->offsets[s->gidx * 2],
-				  s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
-				  s->char2b + i, 1, 0, s->face->overstrike);
+	if (mac_per_char_metric (GC_FONT (s->gc), s->char2b + i, 0) == NULL)
+	  /* This is a nonexistent or zero-width glyph such as a
+	     combining diacritic.  Draw a rectangle.  */
+	  mac_draw_rectangle (s->f, s->gc,
+			      x + s->cmp->offsets[s->gidx * 2], s->y,
+			      FONT_WIDTH (GC_FONT (s->gc)) - 1, s->height - 1);
+	else
+	  mac_draw_image_string_16 (s->f, s->gc,
+				    x + s->cmp->offsets[s->gidx * 2],
+				    s->ybase - s->cmp->offsets[s->gidx * 2 + 1],
+				    s->char2b + i, 1, 0, s->face->overstrike);
     }
 }