Cleanup: extract VAlign to its own files.

1 files changed, 73 insertions, 0 deletions

diff --git a/src/v_align.h b/src/v_align.h
new file mode 100644
index 00000000..d5788a5d
--- /dev/null
+++ b/src/v_align.h
@@ -0,0 +1,73 @@
+/*
+    Copyright (C) 2023 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+
+#ifndef LIBDCP_V_ALIGN_H
+#define LIBDCP_V_ALIGN_H
+
+
+#include <string>
+
+
+namespace dcp {
+
+
+enum class VAlign
+{
+	/** vertical position is distance:
+	 *    from top of screen to top of subtitle (for SMPTE 428-7:{2007,2010} or
+	 *    from top of screen to subtitle baseline (for Interop or SMPTE 428-7:2014)
+	 */
+	TOP,
+	/** vertical position is distance:
+	 *    from centre of screen to centre of subtitle (for SMPTE 428-7:{2007,2010}) or
+	 *    from centre of screen to subtitle baseline (for Interop or SMPTE 428-7:2014)
+	 */
+	CENTER,
+	/** vertical position is distance:
+	 *    from bottom of screen to bottom of subtitle (for SMPTE 428-7:{2007,2010}) or
+	 *    from bottom of screen to subtitle baseline (for Interop or SMPTE 428-7:2014)
+	 */
+	BOTTOM
+};
+
+
+extern std::string valign_to_string(VAlign a);
+extern VAlign string_to_valign(std::string s);
+
+
+}
+
+
+#endif
+