- void bitmap_text_start (boost::weak_ptr<Piece>, ContentBitmapText);
- void plain_text_start (boost::weak_ptr<Piece>, ContentPlainText);
- void subtitle_stop (boost::weak_ptr<Piece>, ContentTime, TextType);
+ void bitmap_text_start (boost::weak_ptr<Piece>, boost::weak_ptr<const TextContent>, ContentBitmapText);
+ void plain_text_start (boost::weak_ptr<Piece>, boost::weak_ptr<const TextContent>, ContentStringText);
+ void subtitle_stop (boost::weak_ptr<Piece>, boost::weak_ptr<const TextContent>, ContentTime);