[Git][freetype/freetype][master] [sfnt] Handle variable `COLR` v1 fonts

From:

Werner Lemberg (@wl)

Subject:

[Git][freetype/freetype][master] [sfnt] Handle variable `COLR` v1 fonts without delta set index map

Date:

Mon, 05 Sep 2022 14:13:58 +0000

Werner Lemberg pushed to branch master at FreeType / FreeType

Commits:

91a7fae7

by Dominik Röttsches at 2022-09-05T15:52:58+02:00

[sfnt] Handle variable `COLR` v1 fonts without delta set index map

Fixes #1178.

* src/sfnt/ttcolr.c (get_deltas_for_var_index_base): Set outer index to
0 and inner index to the delta index when retrieving deltas if the
`COLR` table has no delta set index map.

1 changed file:

src/sfnt/ttcolr.c

Changes:

src/sfnt/ttcolr.c


       }
       else
       {
-        /* TODO: Direct lookup case not implemented or tested yet. */
-        FT_ASSERT( 0 );
-        return 0;
+        outer_index = 0;
+        inner_index = loop_var_index;
       }
 
       deltas[i] = mm->get_item_delta( FT_FACE( face ), &colr->var_store,

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