From 122bb5b03d69451e86471a9ba639e54078385948 Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Tue, 15 Jan 2008 00:33:09 +0000
Subject: [PATCH] *** empty log message ***

---
 m17n-fc.c |   50 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 35 insertions(+), 15 deletions(-)

diff --git a/m17n-fc.c b/m17n-fc.c
index 6efdd71..cc2b961 100644
--- a/m17n-fc.c
+++ b/m17n-fc.c
@@ -181,8 +181,15 @@ m17n_fc_get_family (PangoFont *pango_font)
 static MSymbol
 m17n_fc_get_language (PangoLanguage *pango_language)
 {
+  static PangoLanguage *cached_pango_language;
+  static MSymbol cached_language;
   MSymbol language;
 
+  if (cached_pango_language == pango_language)
+    {
+      return cached_language;
+    }
+
   if (pango_language)
     {
       const char *lang = pango_language_to_string (pango_language);
@@ -206,6 +213,8 @@ m17n_fc_get_language (PangoLanguage *pango_language)
     }
   else
     language = Mnil;
+  cached_pango_language = pango_language;
+  cached_language = language;
   return language;
 }
 
@@ -217,7 +226,16 @@ m17n_fc_get_language (PangoLanguage *pango_language)
 MPlist *
 m17n_fc_lookup_fontset (MSymbol script, MSymbol language)
 {
-  MPlist *plist = mfontset_lookup (fontset, script, language, Mnil);
+  static MSymbol cached_script, cached_language;
+  static MPlist *cached_plist;
+  MPlist *plist;
+
+  if (cached_script == script && cached_language == language)
+    {
+      m17n_object_ref (cached_plist);
+      return cached_plist;
+    }
+  plist = mfontset_lookup (fontset, script, language, Mnil);
 
   if (mplist_key (plist) == Mnil)
     {
@@ -256,6 +274,10 @@ m17n_fc_lookup_fontset (MSymbol script, MSymbol language)
 	    }
 	}
     }
+  cached_language = language;
+  cached_script = script;
+  cached_plist = plist;
+  m17n_object_ref (plist);
   return plist;
 }
 
@@ -329,30 +351,22 @@ m17n_fc_engine_shape (PangoEngineShape *engine,
   g_return_if_fail (length >= 0);
   g_return_if_fail (analysis != NULL);
 
-  if (debug_level > 0)
-    {
-      char *msg = alloca (length + 1);
-
-      if (msg)
-	{
-	  memcpy (msg, text, length);
-	  msg[length] = '\0';
-	}
-      else
-	msg = "...";
-      g_debug ("shape \"%s\"", msg);
-    }
-
   if (! MZs)
     {
       MZs = msymbol ("Zs");
       MCf = msymbol ("Cf");
+      memset (&control, 0, sizeof control);
     }
 
   language = m17n_fc_get_language (analysis->language);
 
   mt = mtext_from_data (text, length, MTEXT_FORMAT_UTF_8);
   nchars = mtext_len (mt);
+  if (debug_level > 0)
+    {
+      g_debug ("shape \"U+%04X\"", mtext_ref_char (mt, 0));
+    }
+
   offsets = alloca (sizeof (int) * nchars);
   g_return_if_fail (offsets != NULL);
   for (i = 0, p = text; i < nchars; i++, p = g_utf8_next_char (p))
@@ -362,8 +376,10 @@ m17n_fc_engine_shape (PangoEngineShape *engine,
   g_return_if_fail (font != NULL);
 
   mtext_put_prop (mt, 0, nchars, Mfont, font);
+#if 0
   if (language != Mnil)
     mtext_put_prop (mt, 0, nchars, Mlanguage, language);
+#endif
 
   control.enable_bidi = 1;
   m_glyphs = alloca (sizeof (MDrawGlyph) * nchars * 2);
@@ -448,6 +464,9 @@ m17n_fc_engine_covers (PangoEngineShape *engine,
       Minherited = msymbol ("inherited");
     }
 
+#if 1
+  return PANGO_COVERAGE_EXACT;
+#else
   if (debug_level > 0 && wc != last_wc)
     {
       g_debug ("covers for U+%04X", wc);
@@ -494,6 +513,7 @@ m17n_fc_engine_covers (PangoEngineShape *engine,
 	     result == PANGO_COVERAGE_EXACT ? "exact" : "none");
 
   return result;
+#endif
 }
 
 static void
-- 
1.7.10.4