[latex3-commits] [git/LaTeX3-latex3-luaotfload] dev: Add subfont index field (79c5e50)

[Marcel Fabian Krüger]

Repository : https://github.com/latex3/luaotfload
On branch  : dev
Link       : https://github.com/latex3/luaotfload/commit/79c5e5049ff97ae67ef3ef37b54ff05d619a08e5

>---------------------------------------------------------------

commit 79c5e5049ff97ae67ef3ef37b54ff05d619a08e5
Author: Marcel Fabian Krüger <tex at 2krueger.de>
Date:   Thu Jun 27 22:03:00 2019 +0200

    Add subfont index field


>---------------------------------------------------------------

79c5e5049ff97ae67ef3ef37b54ff05d619a08e5
 src/luaotfload-auxiliary.lua | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/luaotfload-auxiliary.lua b/src/luaotfload-auxiliary.lua
index 98cea35..5b8c898 100644
--- a/src/luaotfload-auxiliary.lua
+++ b/src/luaotfload-auxiliary.lua
@@ -108,6 +108,14 @@ luaotfload_callbacks [#luaotfload_callbacks + 1] = {
   "patch_font", set_sscale_dimens, "set_sscale_dimens",
 }
 
+-- Starting with LuaTeX 1.11.2, this is a more reliable way of selecting the
+-- right font than relying on psnames
+luaotfload_callbacks [#luaotfload_callbacks + 1] = {
+  "patch_font", function(fontdata)
+    fontdata.subfont = fontdata.specification.sub or 1
+  end, "set_font_index",
+}
+
 local default_units = 1000
 
 --- fontobj -> int