Support underlining of subtitles.

5 files changed, 31 insertions, 3 deletions

diff --git a/src/font_node.cc b/src/font_node.cc
index c24c29d6..1aa4be6b 100644
--- a/src/font_node.cc
+++ b/src/font_node.cc
@@ -58,6 +58,11 @@ FontNode::FontNode (cxml::ConstNodePtr node, optional<int> tcr, Standard standar
 	aspect_adjust = node->optional_number_attribute<float> ("AspectAdjust");
 	italic = node->optional_bool_attribute ("Italic");
 	bold = node->optional_string_attribute("Weight").get_value_or("normal") == "bold";
+	if (standard == INTEROP) {
+		underline = node->optional_bool_attribute ("Underlined");
+	} else {
+		underline = node->optional_bool_attribute ("Underline");
+	}
 	optional<string> c = node->optional_string_attribute ("Color");
 	if (c) {
 		colour = Colour (c.get ());
@@ -91,6 +96,7 @@ FontNode::FontNode (std::list<boost::shared_ptr<FontNode> > const & font_nodes)
 	: size (0)
 	, italic (false)
 	, bold (false)
+	, underline (false)
 	, colour ("FFFFFFFF")
 	, effect_colour ("FFFFFFFF")
 {
@@ -110,6 +116,9 @@ FontNode::FontNode (std::list<boost::shared_ptr<FontNode> > const & font_nodes)
 		if ((*i)->bold) {
 			bold = (*i)->bold.get ();
 		}
+		if ((*i)->underline) {
+			underline = (*i)->underline.get ();
+		}
 		if ((*i)->colour) {
 			colour = (*i)->colour.get ();
 		}
diff --git a/src/font_node.h b/src/font_node.h
index 656c0264..2108af9e 100644
--- a/src/font_node.h
+++ b/src/font_node.h
@@ -63,6 +63,7 @@ public:
 	boost::optional<float> aspect_adjust;
 	boost::optional<bool> italic;
 	boost::optional<bool> bold;
+	boost::optional<bool> underline;
 	boost::optional<Colour> colour;
 	boost::optional<Effect> effect;
 	boost::optional<Colour> effect_colour;
diff --git a/src/subtitle_asset.cc b/src/subtitle_asset.cc
index f1365118..35ca6174 100644
--- a/src/subtitle_asset.cc
+++ b/src/subtitle_asset.cc
@@ -158,6 +158,7 @@ SubtitleAsset::maybe_add_subtitle (string text, ParseState const & parse_state)
 			effective_font.id,
 			effective_font.italic.get_value_or (false),
 			effective_font.bold.get_value_or (false),
+			effective_font.underline.get_value_or (false),
 			effective_font.colour.get_value_or (dcp::Colour (255, 255, 255)),
 			effective_font.size,
 			effective_font.aspect_adjust.get_value_or (1.0),
@@ -249,11 +250,12 @@ SubtitleAsset::subtitles_as_xml (xmlpp::Element* root, int time_code_rate, Stand
 
 	string const xmlns = standard == SMPTE ? "dcst" : "";
 
-	/* XXX: script, underlined not supported */
+	/* XXX: script not supported */
 
 	optional<string> font;
 	bool italic = false;
 	bool bold = false;
+	bool underline = false;
 	Colour colour;
 	int size = 0;
 	float aspect_adjust = 1.0;
@@ -279,6 +281,7 @@ SubtitleAsset::subtitles_as_xml (xmlpp::Element* root, int time_code_rate, Stand
 			font          != i.font()          ||
 			italic        != i.italic()        ||
 			bold          != i.bold()          ||
+			underline     != i.underline()     ||
 			colour        != i.colour()        ||
 			size          != i.size()          ||
 			fabs (aspect_adjust - i.aspect_adjust()) > ASPECT_ADJUST_EPSILON ||
@@ -289,6 +292,7 @@ SubtitleAsset::subtitles_as_xml (xmlpp::Element* root, int time_code_rate, Stand
 			font = i.font ();
 			italic = i.italic ();
 			bold = i.bold ();
+			underline = i.underline ();
 			colour = i.colour ();
 			size = i.size ();
 			aspect_adjust = i.aspect_adjust ();
@@ -315,9 +319,9 @@ SubtitleAsset::subtitles_as_xml (xmlpp::Element* root, int time_code_rate, Stand
 			font_element->set_attribute ("EffectColor", effect_colour.to_argb_string());
 			font_element->set_attribute ("Script", "normal");
 			if (standard == SMPTE) {
-				font_element->set_attribute ("Underline", "no");
+				font_element->set_attribute ("Underline", underline ? "yes" : "no");
 			} else {
-				font_element->set_attribute ("Underlined", "no");
+				font_element->set_attribute ("Underlined", underline ? "yes" : "no");
 			}
 			font_element->set_attribute ("Weight", bold ? "bold" : "normal");
 		}
diff --git a/src/subtitle_string.cc b/src/subtitle_string.cc
index 8e106c6d..5a22475c 100644
--- a/src/subtitle_string.cc
+++ b/src/subtitle_string.cc
@@ -45,6 +45,7 @@ SubtitleString::SubtitleString (
 	optional<string> font,
 	bool italic,
 	bool bold,
+	bool underline,
 	Colour colour,
 	int size,
 	float aspect_adjust,
@@ -64,6 +65,7 @@ SubtitleString::SubtitleString (
 	: _font (font)
 	, _italic (italic)
 	, _bold (bold)
+	, _underline (underline)
 	, _colour (colour)
 	, _size (size)
 	, _aspect_adjust (aspect_adjust)
@@ -101,6 +103,7 @@ dcp::operator== (SubtitleString const & a, SubtitleString const & b)
 		a.font() == b.font() &&
 		a.italic() == b.italic() &&
 		a.bold() == b.bold() &&
+		a.underline() == b.underline() &&
 		a.colour() == b.colour() &&
 		a.size() == b.size() &&
 		fabs (a.aspect_adjust() - b.aspect_adjust()) < ASPECT_ADJUST_EPSILON &&
@@ -138,6 +141,10 @@ dcp::operator<< (ostream& s, SubtitleString const & sub)
 		s << "normal, ";
 	}
 
+	if (sub.underline()) {
+		s << "underlined, ";
+	}
+
 	s << "size " << sub.size() << ", aspect " << sub.aspect_adjust() << ", colour " << sub.colour()
 	  << ", vpos " << sub.v_position() << ", valign " << ((int) sub.v_align())
 	  << ", hpos " << sub.h_position() << ", halign " << ((int) sub.h_align())
diff --git a/src/subtitle_string.h b/src/subtitle_string.h
index b16f764b..51b37564 100644
--- a/src/subtitle_string.h
+++ b/src/subtitle_string.h
@@ -55,6 +55,7 @@ public:
 		boost::optional<std::string> font,
 		bool italic,
 		bool bold,
+		bool underline,
 		Colour colour,
 		int size,
 		float aspect_adjust,
@@ -85,6 +86,10 @@ public:
 		return _bold;
 	}
 
+	bool underline () const {
+		return _underline;
+	}
+
 	Colour colour () const {
 		return _colour;
 	}
@@ -189,6 +194,8 @@ private:
 	bool _italic;
 	/** true if the weight is bold, false for normal */
 	bool _bold;
+	/** true to enable underlining, false otherwise */
+	bool _underline;
 	/** text colour */
 	Colour _colour;
 	/** Size in points as if the screen height is 11 inches, so a 72pt font