From: handa <handa>
Date: Mon, 16 Oct 2006 00:37:43 +0000 (+0000)
Subject: (draw_background): Be sure to set *to_x.
X-Git-Tag: REL-1-3-4~33
X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=70f2eee603a8f3e9b490b52c2cec06c5822dc993;p=m17n%2Fm17n-lib.git

(draw_background): Be sure to set *to_x.
(render_glyph_string): If from == to, just return.
---

diff --git a/src/draw.c b/src/draw.c
index ebd6544..8e88cc2 100644
--- a/src/draw.c
+++ b/src/draw.c
@@ -1112,6 +1112,7 @@ draw_background (MFrame *frame, MDrawWindow win, int x, int y,
     }
 
   *from_idx = *to_idx = 0;
+  *to_x = x;
   while (g->type != GLYPH_ANCHOR)
     {
       if (g->pos >= from && g->pos < to)
@@ -1434,6 +1435,8 @@ render_glyph_string (MFrame *frame, MDrawWindow win, int x, int y,
   int from_idx, to_idx;
   int to_x;
 
+  if (from == to)
+    return;
   if (control->orientation_reversed)
     x -= gstring->indent + gstring_width (gstring, from, to, NULL, NULL);
   else