1 files changed, 224 insertions, 0 deletions
diff --git a/src/subtitle_asset_internal.cc b/src/subtitle_asset_internal.cc
new file mode 100644
index 00000000..bd28cdcb
--- /dev/null
+++ b/src/subtitle_asset_internal.cc
@@ -0,0 +1,224 @@
+/*
+    Copyright (C) 2012-2016 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.
+*/
+
+#include "subtitle_asset_internal.h"
+#include "subtitle_string.h"
+
+using std::string;
+using std::map;
+using namespace dcp;
+
+string
+order::Context::xmlns () const
+{
+	return standard == SMPTE ? "dcst" : "";
+}
+
+order::Font::Font (SubtitleString const & s, Standard standard)
+{
+	if (s.font()) {
+		if (standard == SMPTE) {
+			_values["ID"] = s.font().get ();
+		} else {
+			_values["Id"] = s.font().get ();
+		}
+	}
+	_values["Italic"] = s.italic() ? "yes" : "no";
+	_values["Color"] = s.colour().to_argb_string();
+	_values["Size"] = raw_convert<string> (s.size());
+	_values["AspectAdjust"] = raw_convert<string>(s.aspect_adjust(), 1, true);
+	_values["Effect"] = effect_to_string (s.effect());
+	_values["EffectColor"] = s.effect_colour().to_argb_string();
+	_values["Script"] = "normal";
+	if (standard == SMPTE) {
+		_values["Underline"] = s.underline() ? "yes" : "no";
+	} else {
+		_values["Underlined"] = s.underline() ? "yes" : "no";
+	}
+	_values["Weight"] = s.bold() ? "bold" : "normal";
+}
+
+xmlpp::Element*
+order::Font::as_xml (xmlpp::Element* parent, Context& context) const
+{
+	xmlpp::Element* e = parent->add_child ("Font", context.xmlns());
+	for (map<string, string>::const_iterator i = _values.begin(); i != _values.end(); ++i) {
+		e->set_attribute (i->first, i->second);
+	}
+	return e;
+}
+
+/** Modify our values so that they contain only those that are common to us and
+ *  other.
+ */
+void
+order::Font::take_intersection (Font other)
+{
+	map<string, string> inter;
+
+	for (map<string, string>::const_iterator i = other._values.begin(); i != other._values.end(); ++i) {
+		map<string, string>::iterator t = _values.find (i->first);
+		if (t != _values.end() && t->second == i->second) {
+			inter.insert (*i);
+		}
+	}
+
+	_values = inter;
+}
+
+/** Modify our values so that it contains only those keys that are not in other */
+void
+order::Font::take_difference (Font other)
+{
+	map<string, string> diff;
+	for (map<string, string>::const_iterator i = _values.begin(); i != _values.end(); ++i) {
+		if (other._values.find (i->first) == other._values.end ()) {
+			diff.insert (*i);
+		}
+	}
+
+	_values = diff;
+}
+
+bool
+order::Font::empty () const
+{
+	return _values.empty ();
+}
+
+xmlpp::Element*
+order::Part::as_xml (xmlpp::Element* parent, Context &) const
+{
+	return parent;
+}
+
+xmlpp::Element*
+order::String::as_xml (xmlpp::Element* parent, Context &) const
+{
+	parent->add_child_text (text);
+	return 0;
+}
+
+void
+order::Part::write_xml (xmlpp::Element* parent, order::Context& context) const
+{
+	if (!font.empty ()) {
+		parent = font.as_xml (parent, context);
+	}
+
+	parent = as_xml (parent, context);
+
+	BOOST_FOREACH (boost::shared_ptr<order::Part> i, children) {
+		i->write_xml (parent, context);
+	}
+}
+
+xmlpp::Element*
+order::Text::as_xml (xmlpp::Element* parent, Context& context) const
+{
+	xmlpp::Element* e = parent->add_child ("Text", context.xmlns());
+
+	if (_h_align != HALIGN_CENTER) {
+		if (context.standard == SMPTE) {
+			e->set_attribute ("Halign", halign_to_string (_h_align));
+		} else {
+			e->set_attribute ("HAlign", halign_to_string (_h_align));
+		}
+	}
+
+	if (_h_position > ALIGN_EPSILON) {
+		if (context.standard == SMPTE) {
+			e->set_attribute ("Hposition", raw_convert<string> (_h_position * 100, 6));
+		} else {
+			e->set_attribute ("HPosition", raw_convert<string> (_h_position * 100, 6));
+		}
+	}
+
+	if (context.standard == SMPTE) {
+		e->set_attribute ("Valign", valign_to_string (_v_align));
+	} else {
+		e->set_attribute ("VAlign", valign_to_string (_v_align));
+	}
+
+	if (_v_position > ALIGN_EPSILON) {
+		if (context.standard == SMPTE) {
+			e->set_attribute ("Vposition", raw_convert<string> (_v_position * 100, 6));
+		} else {
+			e->set_attribute ("VPosition", raw_convert<string> (_v_position * 100, 6));
+		}
+	} else {
+		if (context.standard == SMPTE) {
+			e->set_attribute ("Vposition", "0");
+		} else {
+			e->set_attribute ("VPosition", "0");
+		}
+	}
+
+	/* Interop only supports "horizontal" or "vertical" for direction, so only write this
+	   for SMPTE.
+	*/
+	if (_direction != DIRECTION_LTR && context.standard == SMPTE) {
+		e->set_attribute ("Direction", direction_to_string (_direction));
+	}
+
+	return e;
+}
+
+xmlpp::Element*
+order::Subtitle::as_xml (xmlpp::Element* parent, Context& context) const
+{
+	xmlpp::Element* e = parent->add_child ("Subtitle", context.xmlns());
+	e->set_attribute ("SpotNumber", raw_convert<string> (context.spot_number++));
+	e->set_attribute ("TimeIn", _in.rebase(context.time_code_rate).as_string(context.standard));
+	e->set_attribute ("TimeOut", _out.rebase(context.time_code_rate).as_string(context.standard));
+	if (context.standard == SMPTE) {
+		e->set_attribute ("FadeUpTime", _fade_up.rebase(context.time_code_rate).as_string(context.standard));
+		e->set_attribute ("FadeDownTime", _fade_down.rebase(context.time_code_rate).as_string(context.standard));
+	} else {
+		e->set_attribute ("FadeUpTime", raw_convert<string> (_fade_up.as_editable_units(context.time_code_rate)));
+		e->set_attribute ("FadeDownTime", raw_convert<string> (_fade_down.as_editable_units(context.time_code_rate)));
+	}
+	return e;
+}
+
+bool
+order::Font::operator== (Font const & other) const
+{
+	return _values == other._values;
+}
+
+void
+order::Font::clear ()
+{
+	_values.clear ();
+}