Fix vertical alignment of subtitles in some cases (#2569).

[dcpomatic.git] / test / burnt_subtitle_test.cc

diff --git a/test/burnt_subtitle_test.cc b/test/burnt_subtitle_test.cc
index 104cbe95ce5e4d0fcfbdea44ec447deb67c25546..734ac714808042a9d653fea4f0845aaba6fa1640 100644 (file)
--- a/test/burnt_subtitle_test.cc
+++ b/test/burnt_subtitle_test.cc
@@ -149,3 +149,34 @@ BOOST_AUTO_TEST_CASE (burnt_subtitle_test_onto_dcp)
        check_dcp("test/data/burnt_subtitle_test_onto_dcp2", film2);
 #endif
 }
+
+
+
+/** Check positioning of some burnt subtitles from XML files */
+BOOST_AUTO_TEST_CASE(burnt_subtitle_test_position)
+{
+       auto check = [](string alignment)
+       {
+               auto const name = String::compose("burnt_subtitle_test_position_%1", alignment);
+               auto subs = content_factory(String::compose("test/data/burn_%1.xml", alignment));
+               auto film = new_test_film2(name, subs);
+               subs[0]->text[0]->set_use(true);
+               subs[0]->text[0]->set_burn(true);
+               make_and_verify_dcp(
+                       film,
+                       {
+                               dcp::VerificationNote::Code::MISSING_SUBTITLE_LANGUAGE,
+                               dcp::VerificationNote::Code::INVALID_SUBTITLE_FIRST_TEXT_TIME,
+                               dcp::VerificationNote::Code::MISSING_CPL_METADATA
+                       });
+
+               check_dcp(String::compose("test/data/%1", name), film);
+       };
+
+       /* Should have a baseline 216 pixels from the top (0.2 * 1080) */
+       check("top");
+       /* Should have a baseline 756 pixels from the top ((0.5 + 0.2) * 1080) */
+       check("center");
+       /* Should have a baseline 864 pixels from the top ((1 - 0.2) * 1080) */
+       check("bottom");
+}