From 573d8ffc23d27f67d84b320ca8707e8ebd0a5171 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 11 Jan 2025 23:18:13 +0100
Subject: Add is_closed() for TextType and dcp::TextType.

---
 src/lib/text_type.cc | 14 ++++++++++++++
 src/lib/text_type.h  |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/src/lib/text_type.cc b/src/lib/text_type.cc
index 33e74bdca..99799abcd 100644
--- a/src/lib/text_type.cc
+++ b/src/lib/text_type.cc
@@ -96,8 +96,22 @@ is_open(TextType type)
 }
 
 
+bool
+is_closed(TextType type)
+{
+	return type == TextType::CLOSED_SUBTITLE || type == TextType::CLOSED_CAPTION;
+}
+
+
 bool
 is_open(dcp::TextType type)
 {
 	return type == dcp::TextType::OPEN_SUBTITLE || type == dcp::TextType::OPEN_CAPTION;
 }
+
+
+bool
+is_closed(dcp::TextType type)
+{
+	return type == dcp::TextType::CLOSED_SUBTITLE || type == dcp::TextType::CLOSED_CAPTION;
+}
diff --git a/src/lib/text_type.h b/src/lib/text_type.h
index 1f2a5aeec..20ed0e080 100644
--- a/src/lib/text_type.h
+++ b/src/lib/text_type.h
@@ -52,7 +52,9 @@ extern std::string text_type_to_string(TextType t);
 extern std::string text_type_to_name(TextType t);
 extern TextType string_to_text_type(std::string s);
 bool is_open(TextType type);
+bool is_closed(TextType type);
 bool is_open(dcp::TextType type);
+bool is_closed(dcp::TextType type);
 
 
 #endif
-- 
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