source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1997--2006 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "audio-item.hh"
-#include "lily-proto.hh"
#include "performer.hh"
-
+#include "protected-scm.hh"
class Time_signature_performer : public Performer
{
public:
- TRANSLATOR_DECLARATIONS(Time_signature_performer);
+ TRANSLATOR_DECLARATIONS (Time_signature_performer);
~Time_signature_performer ();
protected:
- virtual void stop_translation_timestep ();
- virtual void create_audio_elements ();
-
+ void stop_translation_timestep ();
+ void process_music ();
+ virtual void derived_mark () const;
SCM prev_fraction_;
private:
- Audio_time_signature* audio_p_;
+ Audio_time_signature *audio_;
};
+void
+Time_signature_performer::derived_mark () const
+{
+ scm_gc_mark (prev_fraction_);
+}
Time_signature_performer::Time_signature_performer ()
{
prev_fraction_ = SCM_BOOL_F;
- audio_p_ = 0;
+ audio_ = 0;
}
Time_signature_performer::~Time_signature_performer ()
{
}
-
void
-Time_signature_performer::create_audio_elements ()
+Time_signature_performer::process_music ()
{
SCM fr = get_property ("timeSignatureFraction");
- if (gh_pair_p (fr) && !gh_equal_p (fr, prev_fraction_))
+ if (scm_is_pair (fr) && !ly_is_equal (fr, prev_fraction_))
{
prev_fraction_ = fr;
- int b = gh_scm2int (ly_car (fr));
- int o = gh_scm2int (ly_cdr (fr));
-
- audio_p_ = new Audio_time_signature (b,o);
- Audio_element_info info (audio_p_, 0);
- announce_element (info);
+ int b = scm_to_int (scm_car (fr));
+ int o = scm_to_int (scm_cdr (fr));
+ audio_ = new Audio_time_signature (b, o);
+ Audio_element_info info (audio_, 0);
+ announce_element (info);
}
}
void
Time_signature_performer::stop_translation_timestep ()
{
- if (audio_p_)
+ if (audio_)
{
- play_element (audio_p_);
- audio_p_ = 0;
+ play_element (audio_);
+ audio_ = 0;
}
}
-ENTER_DESCRIPTION (Time_signature_performer, "","","","","" );
+#include "translator.icc"
+
+ADD_TRANSLATOR (Time_signature_performer, "", "", "", "", "");