Basics of selecting 'tracks' for CCAPs.

[dcpomatic.git] / src / lib / text_content.cc

diff --git a/src/lib/text_content.cc b/src/lib/text_content.cc
index 011c42f35fff5318ef2ad528608708250970141a..9869974c5bf7a7a61452b5402f90ec799d0c0a98 100644 (file)
--- a/src/lib/text_content.cc
+++ b/src/lib/text_content.cc
@@ -56,8 +56,9 @@ int const TextContentProperty::FADE_IN = 512;
 int const TextContentProperty::FADE_OUT = 513;
 int const TextContentProperty::OUTLINE_WIDTH = 514;
 int const TextContentProperty::TYPE = 515;
+int const TextContentProperty::DCP_TRACK = 516;
 
-TextContent::TextContent (Content* parent, TextType original_type)
+TextContent::TextContent (Content* parent, TextType type, TextType original_type)
        : ContentPart (parent)
        , _use (false)
        , _burn (false)
@@ -67,13 +68,13 @@ TextContent::TextContent (Content* parent, TextType original_type)
        , _y_scale (1)
        , _line_spacing (1)
        , _outline_width (2)
-       , _type (original_type)
+       , _type (type)
        , _original_type (original_type)
 {
 
 }
 
-/** @return TextContents from node or <Caption> nodes under node (according to version).
+/** @return TextContents from node or <Text> nodes under node (according to version).
  *  The list could be empty if no TextContents are found.
  */
 list<shared_ptr<TextContent> >
@@ -99,14 +100,15 @@ TextContent::from_xml (Content* parent, cxml::ConstNodePtr node, int version)
                return c;
        }
 
-       if (!node->optional_node_child("Caption")) {
+       if (!node->optional_node_child("Text")) {
                return list<shared_ptr<TextContent> >();
        }
 
        list<shared_ptr<TextContent> > c;
-       BOOST_FOREACH (cxml::ConstNodePtr i, node->node_children("Caption")) {
+       BOOST_FOREACH (cxml::ConstNodePtr i, node->node_children("Text")) {
                c.push_back (shared_ptr<TextContent> (new TextContent (parent, i, version)));
        }
+
        return c;
 }
 
@@ -225,8 +227,17 @@ TextContent::TextContent (Content* parent, cxml::ConstNodePtr node, int version)
 
        connect_to_fonts ();
 
-       _type = string_to_text_type (node->optional_string_child("Type").get_value_or("open"));
-       _original_type = string_to_text_type (node->optional_string_child("OriginalType").get_value_or("open"));
+       if (version >= 37) {
+               _type = string_to_text_type (node->optional_string_child("Type").get_value_or("open"));
+               if (node->optional_string_child("OriginalType")) {
+                       _original_type = string_to_text_type (node->optional_string_child("OriginalType").get());
+               }
+       }
+
+       cxml::ConstNodePtr dt = node->optional_node_child("DCPTrack");
+       if (dt) {
+               _dcp_track = DCPTextTrack (dt);
+       }
 }
 
 TextContent::TextContent (Content* parent, vector<shared_ptr<Content> > c)
@@ -282,6 +293,10 @@ TextContent::TextContent (Content* parent, vector<shared_ptr<Content> > c)
                        throw JoinError (_("Content to be joined must use the same fonts."));
                }
 
+               if (c[i]->only_text()->dcp_track() != ref->dcp_track()) {
+                       throw JoinError (_("Content to be joined must use the same DCP track."));
+               }
+
                list<shared_ptr<Font> >::const_iterator j = ref_fonts.begin ();
                list<shared_ptr<Font> >::const_iterator k = fonts.begin ();
 
@@ -308,6 +323,7 @@ TextContent::TextContent (Content* parent, vector<shared_ptr<Content> > c)
        _outline_width = ref->outline_width ();
        _type = ref->type ();
        _original_type = ref->original_type ();
+       _dcp_track = ref->dcp_track ();
 
        connect_to_fonts ();
 }
@@ -365,6 +381,9 @@ TextContent::as_xml (xmlpp::Node* root) const
 
        text->add_child("Type")->add_child_text (text_type_to_string(_type));
        text->add_child("OriginalType")->add_child_text (text_type_to_string(_original_type));
+       if (_dcp_track) {
+               _dcp_track->as_xml(text->add_child("DCPTrack"));
+       }
 }
 
 string
@@ -391,7 +410,7 @@ TextContent::identifier () const
                }
        }
 
-       /* The language is for metadata only, and doesn't affect
+       /* The DCP track and language are for metadata only, and don't affect
           how this content looks.
        */
 
@@ -422,7 +441,8 @@ TextContent::connect_to_fonts ()
 void
 TextContent::font_changed ()
 {
-       _parent->signal_changed (TextContentProperty::FONTS);
+       /* XXX: too late */
+       ChangeSignaller<Content> cc (_parent, TextContentProperty::FONTS);
 }
 
 void
@@ -545,6 +565,18 @@ TextContent::set_outline_width (int w)
        maybe_set (_outline_width, w, TextContentProperty::OUTLINE_WIDTH);
 }
 
+void
+TextContent::set_dcp_track (DCPTextTrack t)
+{
+       maybe_set (_dcp_track, t, TextContentProperty::DCP_TRACK);
+}
+
+void
+TextContent::unset_dcp_track ()
+{
+       maybe_set (_dcp_track, optional<DCPTextTrack>(), TextContentProperty::DCP_TRACK);
+}
+
 void
 TextContent::take_settings_from (shared_ptr<const TextContent> c)
 {
@@ -576,4 +608,9 @@ TextContent::take_settings_from (shared_ptr<const TextContent> c)
                set_fade_out (*c->_fade_out);
        }
        set_outline_width (c->_outline_width);
+       if (c->_dcp_track) {
+               set_dcp_track (c->_dcp_track.get());
+       } else {
+               unset_dcp_track ();
+       }
 }