source file of the GNU LilyPond music typesetter
- (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2005 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "performer.hh"
-
-#include "event.hh"
#include "audio-item.hh"
/*
TODO:
-
- handle multiple events
- perform absolute (text) dynamics
- */
+ handle multiple events
+
+ perform absolute (text) dynamics
+*/
class Dynamic_performer : public Performer
{
public:
TRANSLATOR_DECLARATIONS (Dynamic_performer);
protected:
- virtual bool try_music (Music* req);
+ virtual bool try_music (Music *req);
virtual void stop_translation_timestep ();
virtual void create_audio_elements ();
private:
- Music* script_req_;
- Audio_dynamic* audio_;
+ Music *script_req_;
+ Audio_dynamic *audio_;
};
Dynamic_performer::Dynamic_performer ()
{
SCM proc = get_property ("dynamicAbsoluteVolumeFunction");
- SCM svolume = SCM_EOL;
+ SCM svolume = SCM_EOL;
if (ly_c_procedure_p (proc))
{
// urg
svolume = scm_call_1 (proc, script_req_->get_property ("text"));
}
- Real volume = robust_scm2double (svolume, 0.5);
+ Real volume = robust_scm2double (svolume, 0.5);
/*
properties override default equaliser setting
- */
+ */
SCM min = get_property ("midiMinimumVolume");
SCM max = get_property ("midiMaximumVolume");
- if (is_number (min) || is_number (max))
+ if (scm_is_number (min) || scm_is_number (max))
{
Interval iv (0, 1);
- if (is_number (min))
- iv[MIN] = ly_scm2double (min);
- if (is_number (max))
- iv[MAX] = ly_scm2double (max);
+ if (scm_is_number (min))
+ iv[MIN] = scm_to_double (min);
+ if (scm_is_number (max))
+ iv[MAX] = scm_to_double (max);
volume = iv[MIN] + iv.length () * volume;
}
else
urg, code duplication:: staff_performer
*/
SCM s = get_property ("midiInstrument");
-
- if (!ly_c_string_p (s))
+
+ if (!scm_is_string (s))
s = get_property ("instrument");
-
- if (!ly_c_string_p (s))
+
+ if (!scm_is_string (s))
s = scm_makfrom0str ("piano");
-
-
+
SCM eq = get_property ("instrumentEqualizer");
if (ly_c_procedure_p (eq))
{
volume = iv[MIN] + iv.length () * volume;
}
}
-
+
audio_ = new Audio_dynamic (volume);
Audio_element_info info (audio_, script_req_);
announce_element (info);
}
bool
-Dynamic_performer::try_music (Music* r)
+Dynamic_performer::try_music (Music *r)
{
if (!script_req_)
{
return false;
}
-ENTER_DESCRIPTION (Dynamic_performer,
- /*descr*/ "",
- /* creats*/ "",
- /* accepts */ "absolute-dynamic-event",
- /* acks */ "",
- /*reads */"dynamicAbsoluteVolumeFunction midiMaximumVolume midiMinimumVolume midiInstrument instrumentEqualizer",
- /*writes*/"");
+ADD_TRANSLATOR (Dynamic_performer,
+ /*descr*/ "",
+ /* creats*/ "",
+ /* accepts */ "absolute-dynamic-event",
+ /* acks */ "",
+ /*reads */"dynamicAbsoluteVolumeFunction midiMaximumVolume midiMinimumVolume midiInstrument instrumentEqualizer",
+ /*writes*/"");