[latex3-commits] [latex3/latex3] main: Fix inconsistent behaviors of opacity w/o pdfmanagement (cbfe4e1aa)

[github at latex-project.org]

Repository : https://github.com/latex3/latex3
On branch  : main
Link       : https://github.com/latex3/latex3/commit/cbfe4e1aaa256f64d4395c5bf523fbc7d319ac28

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

commit cbfe4e1aaa256f64d4395c5bf523fbc7d319ac28
Author: Yukai Chou <muzimuzhi at gmail.com>
Date:   Wed Feb 28 10:02:50 2024 +0800

    Fix inconsistent behaviors of opacity w/o pdfmanagement
    
    Fixes #1473.
    
    Sort of oversight of 996bad17 (Only use \pdfmanagement_add:nnn if active,
    2021-08-02).


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

cbfe4e1aaa256f64d4395c5bf523fbc7d319ac28
 l3backend/CHANGELOG.md          |  2 ++
 l3backend/l3backend-opacity.dtx | 20 ++++++++++++++------
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/l3backend/CHANGELOG.md b/l3backend/CHANGELOG.md
index c22e1126d..8907e821d 100644
--- a/l3backend/CHANGELOG.md
+++ b/l3backend/CHANGELOG.md
@@ -9,6 +9,8 @@ this project uses date-based 'snapshot' version identifiers.
 ### Fixed
 - Initiation of opacity data (see \#1472)
 - ExtGState setup for stroking opacity (issue \#1472)
+- Inconsistent behavior of opacity functions w/o `pdfmanagement`
+  (issue \#1473)
 
 ## [2024-02-20]
 
diff --git a/l3backend/l3backend-opacity.dtx b/l3backend/l3backend-opacity.dtx
index a46e4c8df..1aedcbd12 100644
--- a/l3backend/l3backend-opacity.dtx
+++ b/l3backend/l3backend-opacity.dtx
@@ -192,12 +192,6 @@
       { /opacity #1 ~ gs }
     \group_insert_after:N \@@_backend_reset:
   }
-\bool_lazy_and:nnF
-  { \cs_if_exist_p:N \pdfmanagement_if_active_p: }
-  { \pdfmanagement_if_active_p:}
-  {
-    \cs_gset_protected:Npn \@@_backend_select_aux:n #1 { }
-  }
 \cs_new_protected:Npn \@@_backend_reset:
   {
 %<*dvipdfmx|xetex>
@@ -257,6 +251,20 @@
 % \end{macro}
 % \end{macro}
 %
+% \begin{macro}{\@@_backend_select_aux:n, \@@_backend_fill_stroke:nn}
+%   Redefine them to stubs if pdfmanagement is either not loaded or
+%   deactivated.
+%    \begin{macrocode}
+\bool_lazy_and:nnF
+  { \cs_if_exist_p:N \pdfmanagement_if_active_p: }
+  { \pdfmanagement_if_active_p: }
+  {
+    \cs_gset_protected:Npn \@@_backend_select_aux:n #1 { }
+    \cs_gset_protected:Npn \@@_backend_fill_stroke:nn #1#2 { }
+  }
+%    \end{macrocode}
+% \end{macro}
+%
 %    \begin{macrocode}
 %</dvipdfmx|luatex|pdftex|xetex>
 %    \end{macrocode}