From e8bb753ea7f1dfe2dac761050f47ea1cb786f01b Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 21 Aug 2012 18:32:11 +0100
Subject: Pick up subtitle color.

---
 src/subtitle_asset.cc |  8 ++++++++
 src/subtitle_asset.h  |  7 +++++++
 src/types.cc          | 39 +++++++++++++++++++++++++++++++++++++++
 src/types.h           | 16 +++++++++++++++-
 src/xml.cc            | 11 +++++++++++
 src/xml.h             |  1 +
 6 files changed, 81 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/subtitle_asset.cc b/src/subtitle_asset.cc
index c27fd2c0..a5c94b80 100644
--- a/src/subtitle_asset.cc
+++ b/src/subtitle_asset.cc
@@ -60,6 +60,7 @@ SubtitleAsset::examine_font_node (shared_ptr<FontNode> font_node, list<shared_pt
 					new Subtitle (
 						font_id_to_name (effective.id),
 						effective.italic.get(),
+						effective.color.get(),
 						effective.size,
 						(*j)->in,
 						(*j)->out,
@@ -84,6 +85,7 @@ FontNode::FontNode (xmlpp::Node const * node)
 	id = string_attribute ("Id");
 	size = optional_int64_attribute ("Size");
 	italic = optional_bool_attribute ("Italic");
+	color = optional_color_attribute ("Color");
 	subtitle_nodes = sub_nodes<SubtitleNode> ("Subtitle");
 	font_nodes = sub_nodes<FontNode> ("Font");
 }
@@ -91,6 +93,7 @@ FontNode::FontNode (xmlpp::Node const * node)
 FontNode::FontNode (list<shared_ptr<FontNode> > const & font_nodes)
 	: size (0)
 	, italic (false)
+	, color ("FFFFFFFF")
 {
 	for (list<shared_ptr<FontNode> >::const_iterator i = font_nodes.begin(); i != font_nodes.end(); ++i) {
 		if (!(*i)->id.empty ()) {
@@ -102,6 +105,9 @@ FontNode::FontNode (list<shared_ptr<FontNode> > const & font_nodes)
 		if ((*i)->italic) {
 			italic = (*i)->italic.get ();
 		}
+		if ((*i)->color) {
+			color = (*i)->color.get ();
+		}
 	}
 }
 
@@ -163,6 +169,7 @@ SubtitleAsset::font_id_to_name (string id) const
 Subtitle::Subtitle (
 	std::string font,
 	bool italic,
+	Color color,
 	int size,
 	Time in,
 	Time out,
@@ -171,6 +178,7 @@ Subtitle::Subtitle (
 	)
 	: _font (font)
 	, _italic (italic)
+	, _color (color)
 	, _size (size)
 	, _in (in)
 	, _out (out)
diff --git a/src/subtitle_asset.h b/src/subtitle_asset.h
index 3df30e62..02dea865 100644
--- a/src/subtitle_asset.h
+++ b/src/subtitle_asset.h
@@ -55,6 +55,7 @@ public:
 	std::string id;
 	int size;
 	boost::optional<bool> italic;
+	boost::optional<Color> color;
 	
 	std::list<boost::shared_ptr<SubtitleNode> > subtitle_nodes;
 	std::list<boost::shared_ptr<FontNode> > font_nodes;
@@ -76,6 +77,7 @@ public:
 	Subtitle (
 		std::string font,
 		bool italic,
+		Color color,
 		int size,
 		Time in,
 		Time out,
@@ -91,6 +93,10 @@ public:
 		return _italic;
 	}
 
+	Color color () const {
+		return _color;
+	}
+
 	Time in () const {
 		return _in;
 	}
@@ -112,6 +118,7 @@ public:
 private:
 	std::string _font;
 	bool _italic;
+	Color _color;
 	int _size;
 	Time _in;
 	Time _out;
diff --git a/src/types.cc b/src/types.cc
index 85c5fd6e..39d7fea5 100644
--- a/src/types.cc
+++ b/src/types.cc
@@ -1,4 +1,5 @@
 #include <vector>
+#include <cstdio>
 #include <boost/lexical_cast.hpp>
 #include <boost/algorithm/string.hpp>
 #include "types.h"
@@ -18,3 +19,41 @@ Fraction::Fraction (string s)
 	numerator = lexical_cast<int> (b[0]);
 	denominator = lexical_cast<int> (b[1]);
 }
+
+Color::Color ()
+	: r (0)
+	, g (0)
+	, b (0)
+{
+
+}
+
+Color::Color (int r_, int g_, int b_)
+	: r (r_)
+	, g (g_)
+	, b (b_)
+{
+
+}
+
+Color::Color (string argb_hex)
+{
+	int alpha;
+	if (sscanf (argb_hex.c_str(), "%2x%2x%2x%2x", &alpha, &r, &g, &b) < 4) {
+		throw XMLError ("could not parse colour string");
+	}
+}
+
+
+bool
+libdcp::operator== (Color const & a, Color const & b)
+{
+	return (a.r == b.r && a.g == b.g && a.b == b.b);
+}
+
+ostream &
+libdcp::operator<< (ostream& s, Color const & c)
+{
+	s << "(" << c.r << ", " << c.g << ", " << c.b << ")";
+	return s;
+}
diff --git a/src/types.h b/src/types.h
index 8c584579..3a50c5d3 100644
--- a/src/types.h
+++ b/src/types.h
@@ -74,7 +74,21 @@ struct EqualityOptions {
 	double max_mean_pixel_error;
 	double max_std_dev_pixel_error;
 };
-		
+
+class Color
+{
+public:
+	Color ();
+	Color (int r_, int g_, int b_);
+	Color (std::string argb_hex);
+
+	int r;
+	int g;
+	int b;
+};
+
+extern bool operator== (Color const & a, Color const & b);
+extern std::ostream & operator<< (std::ostream & s, Color const & c);
 
 }
 
diff --git a/src/xml.cc b/src/xml.cc
index bc42ebce..1d524738 100644
--- a/src/xml.cc
+++ b/src/xml.cc
@@ -189,6 +189,17 @@ XMLNode::optional_bool_attribute (string name)
 	return optional<bool> (false);
 }
 
+optional<Color>
+XMLNode::optional_color_attribute (string name)
+{
+	string const s = string_attribute (name);
+	if (s.empty ()) {
+		return optional<Color> ();
+	}
+
+	return optional<Color> (Color (s));
+}
+
 void
 XMLNode::done ()
 {
diff --git a/src/xml.h b/src/xml.h
index f1e39b55..65eb7399 100644
--- a/src/xml.h
+++ b/src/xml.h
@@ -41,6 +41,7 @@ protected:
 	int64_t int64_attribute (std::string);
 	int64_t optional_int64_attribute (std::string);
 	boost::optional<bool> optional_bool_attribute (std::string);
+	boost::optional<Color> optional_color_attribute (std::string);
 
 	std::string content ();
 
-- 
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