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[sfnt] Retrieve affine matrix from offset in 'COLR' v1 parsing.

* src/sfnt/ttcolr.c (read_paint): Implement spec change where
affine transform matrix is now referenced by offset instead of
being placed inline in the PaintTransform table.

git/fs: mount .git/fs: mount/attach disallowed

--- a/src/sfnt/ttcolr.c

+++ b/src/sfnt/ttcolr.c

@@ -551,6 +551,11 @@

       apaint->u.transform.paint.p                     = child_table_p;

       apaint->u.transform.paint.insert_root_transform = 0;

+      if ( !get_child_table_pointer( colr, paint_base, &p, &child_table_p ) )

+         return 0;

+

+      p = child_table_p;

+

       apaint->u.transform.affine.xx = FT_NEXT_LONG( p );

       apaint->u.transform.affine.yx = FT_NEXT_LONG( p );

       apaint->u.transform.affine.xy = FT_NEXT_LONG( p );