[Fontations-backend] Provide FFI for retrieving number of fonts in TTC
Provide an inspection method for determining how many fonts are
in a TrueType collection or if the data can be instantiated as
a single font.
Test using:
$ bazel test --with_fontations //src/ports/fontations:test_ffi
Bug: b/322299021
Change-Id: Ibb5e8d9cb6509ea6e9d3a651a761f941f9b2d073
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/805416
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
1 file changed