commit f238830d77d7a42427e5fc9401e2955259afc652
author Alexei Podtelezhnikov <apodtele@gmail.com> Thu Oct 16 22:35:53 2025 -0400
committer Alexei Podtelezhnikov <apodtele@gmail.com> Thu Oct 16 22:35:53 2025 -0400
tree 797e3e5b965e023d8526a48cfaec349e0d8d6647
parent 4334f009e7d20789cc7ee1224290ea1e22a17b5b

* src/truetype/ttgload.c (tt_loader_init): Reset compatibility.

This may fix #1262, credits to Honnesh Ramachandra.
    https://lists.nongnu.org/archive/html/freetype-devel/2025-10/msg00004.html

src/truetype/ttgload.c

diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
index e810ebf..3594132 100644
--- a/src/truetype/ttgload.c
+++ b/src/truetype/ttgload.c
@@ -2217,6 +2217,10 @@
       exec = size->context;
 
 #ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
+      /* reset backward compatibility; note that */ 
+      /* the CVT program always runs without it  */
+      exec->backward_compatibility = 0;
+
       if ( driver->interpreter_version == TT_INTERPRETER_VERSION_40 )
       {
         grayscale = FALSE;
@@ -2283,8 +2287,7 @@
            mode != FT_RENDER_MODE_MONO                              &&
            !FT_IS_TRICKY( glyph->face )                             )
         exec->backward_compatibility = ( size->GS.instruct_control & 4 ) ^ 4;
-      else
-        exec->backward_compatibility = 0;
+
 #endif /* TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL */
 
       loader->exec = exec;