Allow changes to colours of FFmpeg subtitles (#795).

1 files changed, 60 insertions, 0 deletions

diff --git a/src/lib/rgba.cc b/src/lib/rgba.cc
new file mode 100644
index 000000000..dac58418d
--- /dev/null
+++ b/src/lib/rgba.cc
@@ -0,0 +1,60 @@
+/*
+    Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "rgba.h"
+#include <libxml++/libxml++.h>
+#include <boost/lexical_cast.hpp>
+
+using std::string;
+using boost::lexical_cast;
+
+RGBA::RGBA (cxml::ConstNodePtr node)
+{
+	r = node->number_child<int> ("R");
+	g = node->number_child<int> ("G");
+	b = node->number_child<int> ("B");
+	a = node->number_child<int> ("A");
+}
+
+void
+RGBA::as_xml (xmlpp::Node* parent) const
+{
+	parent->add_child("R")->add_child_text (lexical_cast<string> (int (r)));
+	parent->add_child("G")->add_child_text (lexical_cast<string> (int (g)));
+	parent->add_child("B")->add_child_text (lexical_cast<string> (int (b)));
+	parent->add_child("A")->add_child_text (lexical_cast<string> (int (a)));
+}
+
+bool
+RGBA::operator< (RGBA const & other) const
+{
+	if (r != other.r) {
+		return r < other.r;
+	}
+
+	if (g != other.g) {
+		return g < other.g;
+	}
+
+	if (b != other.b) {
+		return b < other.b;
+	}
+
+	return a < other.a;
+}