release: 0.1.1

[lilypond.git] / lily / midi-def.cc

diff --git a/lily/midi-def.cc b/lily/midi-def.cc
index 163105ab3c3906952420337cf2add5198a948056..280b6304d17cbe2ba2286fd1dc95929081d7fe95 100644 (file)
--- a/lily/midi-def.cc
+++ b/lily/midi-def.cc
@@ -1,13 +1,18 @@
-//
-// midi-def.cc -- implement midi output
-//
-// source file of the LilyPond music typesetter
-//
-// (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
+/*
+  midi-def.cc -- implement Midi_def
 
+  source file of the GNU LilyPond music typesetter
+
+  (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
+
+*/
 #include <math.h>
 #include "misc.hh"
 #include "midi-def.hh"
+#include "input-translator.hh"
+#include "performer-group-performer.hh"
+#include "assoc-iter.hh"
+
 #include "debug.hh"
 
 // classes, alphasorted
@@ -23,27 +28,48 @@ int Midi_def::num_i_s = 4;
 
 Midi_def::Midi_def()
 {
-    set_tempo( Moment( 1, 4 ), 60 );
     outfile_str_ = "lelie.midi"; 
+    itrans_p_ = 0;
+    real_vars_p_ = new Assoc<String,Real>;
+    // ugh
+    set_tempo( Moment( 1, 4 ), 60 );
 }
 
-Midi_def::Midi_def( Midi_def const& midi_c_r )
+Midi_def::Midi_def( Midi_def const& s )
 {
-    whole_seconds_f_ = midi_c_r.whole_seconds_f_;
-    outfile_str_ = midi_c_r.outfile_str_;
+    whole_seconds_f_ = s.whole_seconds_f_;
+    itrans_p_ = s.itrans_p_ ? new Input_translator( *s.itrans_p_ ) : 0;
+    real_vars_p_ = new Assoc<String,Real> ( *s.real_vars_p_ );
+    outfile_str_ = s.outfile_str_;
 }
 
 Midi_def::~Midi_def()
 {
+    delete itrans_p_;
+    delete real_vars_p_;
 }
 
 Real
-Midi_def::duration_to_seconds_f( Moment moment )
+Midi_def::duration_to_seconds_f( Moment mom )
 {
-    if (!moment)
+    if ( !mom )
        return 0;
     
-    return Moment( whole_seconds_f_ ) * moment;
+    return Moment( whole_seconds_f_ ) * mom;
+}
+
+Global_translator*
+Midi_def::get_global_translator_p() const
+{
+    return  itrans_p_->get_group_performer_p()->global_l();
+}
+
+Real
+Midi_def::get_var( String s ) const
+{
+    if ( !real_vars_p_->elt_b( s ) )
+       error ( "unknown midi variable `"  + s + "'" );
+    return real_vars_p_->elem( s );
 }
 
 int
@@ -56,14 +82,32 @@ void
 Midi_def::print() const
 {
 #ifndef NPRINT
-    mtor << "Midi {4/min: " << Real( 60 ) / ( whole_seconds_f_ * 4 );
+    mtor << "Midi {";
+    mtor << "4/min: " << Real( 60 ) / ( whole_seconds_f_ * 4 );
     mtor << "out: " << outfile_str_;
+    for (Assoc_iter<String,Real> i( *real_vars_p_ ); i.ok(); i++) {
+       mtor << i.key() << "= " << i.val() << "\n";
+    }
     mtor << "}\n";
 #endif
 }
 
+void
+Midi_def::set( Input_translator* itrans_p )
+{
+    delete itrans_p_;
+    itrans_p_ = itrans_p;
+}
+
 void
 Midi_def::set_tempo( Moment moment, int count_per_minute_i )
 {
     whole_seconds_f_ = Moment( count_per_minute_i ) / Moment( 60 ) / moment;
 }
+
+void
+Midi_def::set_var( String s, Real r )
+{
+   real_vars_p_->elem( s ) = r;
+}
+