From 1bf802a65e9ccb3b46c94a5635e45e2d64e472a4 Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Mon, 26 Jul 2004 07:55:29 +0000
Subject: [PATCH] (lookup_gpos): Don't apply a GPOS feature twice.
 (OTF_drive_gpos): Initialize values positioning_type
 memeber. (OTF_drive_gsub): Fix previous change.

---
 src/otfdrive.c |   44 ++++++++++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 16 deletions(-)

diff --git a/src/otfdrive.c b/src/otfdrive.c
index df64f80..b522d75 100644
--- a/src/otfdrive.c
+++ b/src/otfdrive.c
@@ -132,22 +132,34 @@ get_langsys (OTF_ScriptList *script_list, char *script, char *language)
   OTF_Tag script_tag = OTF_tag (script);
   OTF_Tag langsys_tag = OTF_tag (language);
   int i, j;
+  OTF_Tag dflt_tag = OTF_tag ("DFLT");
+  OTF_Script *dflt = NULL;
 
   for (i = 0; i < script_list->ScriptCount; i++)
-    if (! script_tag
-	|| script_list->Script[i].ScriptTag == script_tag)
-      {
-	OTF_Script *script = script_list->Script + i;
-
-	if (! langsys_tag)
-	  return &script->DefaultLangSys;
-	for (j = 0; j < script->LangSysCount; j++)
-	  if (script->LangSysRecord[j].LangSysTag == langsys_tag)
-	    return script->LangSys + j;
-	return &script->DefaultLangSys;	
-      }
+    {
+      OTF_Script *script = script_list->Script + i;
+
+      if (script_list->Script[i].ScriptTag == dflt_tag)
+	dflt = script;
+      if (script_list->Script[i].ScriptTag == script_tag)
+	{
+	  if (! langsys_tag)
+	    return &script->DefaultLangSys;
+	  for (j = 0; j < script->LangSysCount; j++)
+	    if (script->LangSysRecord[j].LangSysTag == langsys_tag)
+	      return script->LangSys + j;
+	  return &script->DefaultLangSys;	
+	}
+    }
 
-  return NULL;
+  if (! dflt)
+    dflt = script_list->Script;
+  if (! langsys_tag)
+    return &dflt->DefaultLangSys;
+  for (j = 0; j < dflt->LangSysCount; j++)
+    if (dflt->LangSysRecord[j].LangSysTag == langsys_tag)
+      return dflt->LangSys + j;
+  return &dflt->DefaultLangSys;	
 }
 
 static int
@@ -1148,6 +1160,9 @@ OTF_drive_gsub (OTF *otf, OTF_GlyphString *gstring,
   int *lookup_indices;
   int i, n;
 
+  for (i = 0; i < gstring->used; i++)
+    gstring->glyphs[i].f.index.from = gstring->glyphs[i].f.index.to = i;
+
   if (! otf->gsub
       && OTF_get_table (otf, "GSUB") < 0)
     return errret;
@@ -1171,9 +1186,6 @@ OTF_drive_gsub (OTF *otf, OTF_GlyphString *gstring,
   if (n < 0)
     return errret;
 
-  for (i = 0; i < gstring->used; i++)
-    gstring->glyphs[i].f.index.from = gstring->glyphs[i].f.index.to = i;
-
   for (i = 0; i < n; i++)
     {
       int index = lookup_indices[i];
-- 
1.7.10.4