diff options
Diffstat (limited to 'src/lib/util.cc')
| -rw-r--r-- | src/lib/util.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/lib/util.cc b/src/lib/util.cc index b13d905bf..1c4347233 100644 --- a/src/lib/util.cc +++ b/src/lib/util.cc @@ -882,3 +882,12 @@ make_signer () return shared_ptr<const libdcp::Signer> (new libdcp::Signer (chain, signer_key)); } +libdcp::Size +fit_ratio_within (float ratio, libdcp::Size full_frame) +{ + if (ratio < full_frame.ratio ()) { + return libdcp::Size (full_frame.height * ratio, full_frame.height); + } + + return libdcp::Size (full_frame.width, full_frame.width / ratio); +} |