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-rw-r--r--src/luaotfload-colors.lua9
-rw-r--r--src/luaotfload.sty2
2 files changed, 7 insertions, 4 deletions
diff --git a/src/luaotfload-colors.lua b/src/luaotfload-colors.lua
index a151101..ff4dc13 100644
--- a/src/luaotfload-colors.lua
+++ b/src/luaotfload-colors.lua
@@ -321,9 +321,10 @@ local color_handler = function (head)
if res then
res["1"] = true
local tpr = texget("pdfpageresources")
- local pgf_loaded = tpr:find("/ExtGState %d+ 0 R")
+ local no_extgs = not tpr:find("/ExtGState<<.*>>")
+ local pgf_loaded = no_extgs and luaotfload.pgf_loaded
if pgf_loaded then
- tpr = texgettoks("pgf@sys@pgf@resource@list@extgs@toks") -- see luaotfload.sty
+ tpr = texgettoks(pgf_loaded) -- see luaotfload.sty
end
local t = ""
@@ -335,9 +336,9 @@ local color_handler = function (head)
end
if t ~= "" then
if pgf_loaded then
- texsettoks("global", "pgf@sys@pgf@resource@list@extgs@toks", tpr..t)
+ texsettoks("global", pgf_loaded, tpr..t)
else
- if not tpr:find("/ExtGState<<.*>>") then
+ if no_extgs then
tpr = tpr .. "/ExtGState<<>>"
end
tpr = tpr:gsub("/ExtGState<<", "%1"..t)
diff --git a/src/luaotfload.sty b/src/luaotfload.sty
index f183f9a..34f9a87 100644
--- a/src/luaotfload.sty
+++ b/src/luaotfload.sty
@@ -50,6 +50,7 @@
\ifcsname selectfont\endcsname
\AtBeginDocument{\@ifpackageloaded{pgfsys}{
\csname newtoks\endcsname\pgf@sys@pgf@resource@list@extgs@toks
+ \directlua{luaotfload.pgf_loaded=\the\allocationnumber}
\def\pgf@sys@pgf@resource@list@extgs{\the\pgf@sys@pgf@resource@list@extgs@toks}
\def\pgf@sys@addpdfresource@extgs@plain#1{\global\pgf@sys@pgf@resource@list@extgs@toks
\expandafter{\the\pgf@sys@pgf@resource@list@extgs@toks #1}}
@@ -60,6 +61,7 @@
\count255=\the\catcode`@\relax
\catcode`@=11\relax
\newtoks\pgf@sys@pgf@resource@list@extgs@toks
+\directlua{luaotfload.pgf_loaded=\the\allocationnumber}
\def\pgf@sys@pgf@resource@list@extgs{\the\pgf@sys@pgf@resource@list@extgs@toks}
\def\pgf@sys@addpdfresource@extgs@plain#1{\global\pgf@sys@pgf@resource@list@extgs@toks
\expandafter{\the\pgf@sys@pgf@resource@list@extgs@toks #1}}