Add subtitle X offset option.

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

diff --git a/src/lib/subtitle_content.cc b/src/lib/subtitle_content.cc
index 6c0d3af86a6687571d74e3bb576add9494c67567..8f88574e5e7ff53950c903b710c571fe1b151cce 100644 (file)
--- a/src/lib/subtitle_content.cc
+++ b/src/lib/subtitle_content.cc
@@ -30,25 +30,34 @@ using boost::shared_ptr;
 using boost::lexical_cast;
 using boost::dynamic_pointer_cast;
 
-int const SubtitleContentProperty::SUBTITLE_OFFSET = 500;
-int const SubtitleContentProperty::SUBTITLE_SCALE = 501;
+int const SubtitleContentProperty::SUBTITLE_X_OFFSET = 500;
+int const SubtitleContentProperty::SUBTITLE_Y_OFFSET = 501;
+int const SubtitleContentProperty::SUBTITLE_SCALE = 502;
 
 SubtitleContent::SubtitleContent (shared_ptr<const Film> f, boost::filesystem::path p)
        : Content (f, p)
-       , _subtitle_offset (0)
+       , _subtitle_x_offset (0)
+       , _subtitle_y_offset (0)
        , _subtitle_scale (1)
 {
 
 }
 
-SubtitleContent::SubtitleContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+SubtitleContent::SubtitleContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
        : Content (f, node)
-       , _subtitle_offset (0)
+       , _subtitle_x_offset (0)
+       , _subtitle_y_offset (0)
        , _subtitle_scale (1)
 {
        LocaleGuard lg;
+
+       if (version >= 7) {
+               _subtitle_x_offset = node->number_child<float> ("SubtitleXOffset");
+               _subtitle_y_offset = node->number_child<float> ("SubtitleYOffset");
+       } else {
+               _subtitle_y_offset = node->number_child<float> ("SubtitleOffset");
+       }
        
-       _subtitle_offset = node->number_child<float> ("SubtitleOffset");
        _subtitle_scale = node->number_child<float> ("SubtitleScale");
 }
 
@@ -61,8 +70,12 @@ SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Co
        for (size_t i = 0; i < c.size(); ++i) {
                shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (c[i]);
 
-               if (sc->subtitle_offset() != ref->subtitle_offset()) {
-                       throw JoinError (_("Content to be joined must have the same subtitle offset."));
+               if (sc->subtitle_x_offset() != ref->subtitle_x_offset()) {
+                       throw JoinError (_("Content to be joined must have the same subtitle X offset."));
+               }
+               
+               if (sc->subtitle_y_offset() != ref->subtitle_y_offset()) {
+                       throw JoinError (_("Content to be joined must have the same subtitle Y offset."));
                }
 
                if (sc->subtitle_scale() != ref->subtitle_scale()) {
@@ -70,7 +83,8 @@ SubtitleContent::SubtitleContent (shared_ptr<const Film> f, vector<shared_ptr<Co
                }
        }
 
-       _subtitle_offset = ref->subtitle_offset ();
+       _subtitle_x_offset = ref->subtitle_x_offset ();
+       _subtitle_y_offset = ref->subtitle_y_offset ();
        _subtitle_scale = ref->subtitle_scale ();
 }
 
@@ -79,18 +93,29 @@ SubtitleContent::as_xml (xmlpp::Node* root) const
 {
        LocaleGuard lg;
        
-       root->add_child("SubtitleOffset")->add_child_text (lexical_cast<string> (_subtitle_offset));
+       root->add_child("SubtitleXOffset")->add_child_text (lexical_cast<string> (_subtitle_x_offset));
+       root->add_child("SubtitleYOffset")->add_child_text (lexical_cast<string> (_subtitle_y_offset));
        root->add_child("SubtitleScale")->add_child_text (lexical_cast<string> (_subtitle_scale));
 }
 
 void
-SubtitleContent::set_subtitle_offset (double o)
+SubtitleContent::set_subtitle_x_offset (double o)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               _subtitle_x_offset = o;
+       }
+       signal_changed (SubtitleContentProperty::SUBTITLE_X_OFFSET);
+}
+
+void
+SubtitleContent::set_subtitle_y_offset (double o)
 {
        {
                boost::mutex::scoped_lock lm (_mutex);
-               _subtitle_offset = o;
+               _subtitle_y_offset = o;
        }
-       signal_changed (SubtitleContentProperty::SUBTITLE_OFFSET);
+       signal_changed (SubtitleContentProperty::SUBTITLE_Y_OFFSET);
 }
 
 void