From 9d6e4ea26d8a2fc849fa586688bbb823a69a4b17 Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Fri, 5 Nov 2010 18:00:11 +0200
Subject: Sync with context 2010.11.03

---
 otfl-font-tfm.lua | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

(limited to 'otfl-font-tfm.lua')

diff --git a/otfl-font-tfm.lua b/otfl-font-tfm.lua
index 7a16b28..e8b2427 100644
--- a/otfl-font-tfm.lua
+++ b/otfl-font-tfm.lua
@@ -128,16 +128,31 @@ end
 to scale virtual characters.</p>
 --ldx]]--
 
+--~ function tfm.getvirtualid(tfmdata)
+--~     --  since we don't know the id yet, we use 0 as signal
+--~     local tf = tfmdata.fonts
+--~     if not tf then
+--~         tfmdata.type = "virtual"
+--~         tfmdata.fonts = { { id = 0 } }
+--~         return 1
+--~     else
+--~         local ntf = #tf + 1
+--~         tf[ntf] = { id = 0 }
+--~         return ntf
+--~     end
+--~ end
+
 function tfm.getvirtualid(tfmdata)
     --  since we don't know the id yet, we use 0 as signal
-    if not tfmdata.fonts then
+    local tf = tfmdata.fonts
+    if not tf then
+        tf = { }
         tfmdata.type = "virtual"
-        tfmdata.fonts = { { id = 0 } }
-        return 1
-    else
-        tfmdata.fonts[#tfmdata.fonts+1] = { id = 0 }
-        return #tfmdata.fonts
+        tfmdata.fonts = tf
     end
+    local ntf = #tf + 1
+    tf[ntf] = { id = 0 }
+    return ntf
 end
 
 function tfm.checkvirtualid(tfmdata, id)
-- 
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