]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/dynamic-engraver.cc
release: 1.3.0
[lilypond.git] / lily / dynamic-engraver.cc
index fbfd95459d5ee0a3f6e137e910f73c41e168c6a2..2933131c8d26b62339cb48bd4a07469e56230ef7 100644 (file)
@@ -3,25 +3,60 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 #include "debug.hh"
 #include "crescendo.hh"
-#include "dynamic-engraver.hh"
 #include "musical-request.hh"
-#include "text-item.hh"
 #include "lookup.hh"
 #include "paper-def.hh"
 #include "score-column.hh"
-#include "staff-sym.hh"
+#include "staff-symbol.hh"
 #include "note-column.hh"
+#include "text-item.hh"
+#include "staff-side.hh"
+#include "engraver.hh"
+#include "stem.hh"
+#include "note-head.hh"
+
+/**
+   print text & hairpin dynamics.
+ */
+class Dynamic_engraver : public Engraver
+{
+  Text_item * text_p_;
+  Staff_side_item * staff_side_p_;
+  Staff_side_spanner * ss_span_p_;
+  Staff_side_spanner * to_end_ss_span_p_;
+  
+  
+  Crescendo * to_end_cresc_p_;
+  Crescendo * cresc_p_;
+  Span_req * cresc_req_l_;
+  Array<Request*> dynamic_req_l_arr_;
+  void  typeset_all ();
+public:
+  VIRTUAL_COPY_CONS(Translator);
+  Dynamic_engraver();
+  
+protected:
+  virtual void do_removal_processing ();
+  virtual void acknowledge_element (Score_element_info);
+  virtual bool do_try_music (Music *req_l);
+  virtual void do_process_requests();
+  virtual void do_pre_move_processing();
+  virtual void do_post_move_processing();
+};
+
+
 
 Dynamic_engraver::Dynamic_engraver()
 {
   do_post_move_processing();
-  dir_ = CENTER;
-  dynamic_p_ =0;
+  text_p_ =0;
+  staff_side_p_ =0;
   to_end_cresc_p_ = cresc_p_ = 0;
+  ss_span_p_ = to_end_ss_span_p_=0;
   cresc_req_l_ = 0;
 }
 
@@ -32,68 +67,139 @@ Dynamic_engraver::do_post_move_processing()
 }
 
 bool
-Dynamic_engraver::do_try_music (Music * r)
+Dynamic_engraver::do_try_music (Music * m)
 {
-  if(Dynamic_req * d = dynamic_cast <Dynamic_req *> (r))
+  Request * r = dynamic_cast<Request*> (m);
+
+  if(Text_script_req * d = dynamic_cast <Text_script_req *> (r))
     {
-      for (int i=0; i < dynamic_req_l_arr_.size (); i++)
-       if (d->equal_b (dynamic_req_l_arr_[i]))
-         return true;
-      
-      dynamic_req_l_arr_.push (d);
-      return true;
+      if (d->style_str_ != "dynamic")
+       return false;
     }
-  return false;
+  else if (Span_req * s =  dynamic_cast <Span_req*> (r))
+    {
+      if (s-> span_type_str_ != "crescendo"
+         && s->span_type_str_ != "decrescendo")
+       return false;
+    }
+  else
+    return false;
+  
+  for (int i=0; i < dynamic_req_l_arr_.size (); i++)
+    if (r->equal_b (dynamic_req_l_arr_[i]))
+      return true;
+  
+  dynamic_req_l_arr_.push (r);
+  return true;
 }
+
+
 void
 Dynamic_engraver::do_process_requests()
 {
   Crescendo*  new_cresc_p=0;
+  Staff_side_spanner * new_sss_p =0;
   for (int i=0; i < dynamic_req_l_arr_.size(); i++)
     {
-      Dynamic_req *dreq_l = dynamic_req_l_arr_[i];
-      if (Absolute_dynamic_req *absd = dynamic_cast<Absolute_dynamic_req *> (dreq_l))
+      if (Text_script_req *absd =
+         dynamic_cast<Text_script_req *> ( dynamic_req_l_arr_[i]))
        {
-
-         if (dynamic_p_)
+         if (text_p_)
            {
-             dynamic_req_l_arr_[i]->warning (_("Got a dynamic already.  Continuing dazed and confused"));
+             dynamic_req_l_arr_[i]->warning (_("Got a dynamic already.  Continuing dazed and confused."));
              continue;
            }
          
-         Text_def * td_p = new Text_def;
-         td_p->align_dir_ = CENTER;
-         String loud = absd->loudness_str ();
-         td_p->text_str_ =  paper ()->lookup_l (0)->dynamic (loud).str_; // ugh
-         td_p->style_str_ = "dynamic";
+         String loud = absd->text_str_;
+
+         text_p_ = new Text_item;
+         text_p_->text_str_ =  loud; // ugh
+
+         staff_side_p_ = new Staff_side_item;
+         staff_side_p_->set_elt_property (script_priority_scm_sym,
+                                          gh_int2scm (100));
+                                          
+         staff_side_p_->set_victim (text_p_);
+         staff_side_p_->axis_ = Y_AXIS;
+         staff_side_p_->dir_ = DOWN;
 
          
+         SCM prop = get_property ("verticalDirection", 0);
+         if (isdir_b (prop))
+           {
+             staff_side_p_->dir_ = to_dir (prop);
+           }
+
+         prop = get_property ("dynamicDirection", 0);
+         if (SCM_NUMBERP(prop))
+           {
+             staff_side_p_->dir_ = to_dir (prop);
+           }
+         if (absd->dir_)
+           {
+             staff_side_p_->dir_ = absd->dir_;
+           }
 
-         dynamic_p_ = new Text_item (td_p);
-         announce_element (Score_element_info (dynamic_p_, dreq_l));
+         prop = get_property ("dynamicPadding", 0);
+         if (SCM_NUMBERP(prop))
+           {
+             staff_side_p_->set_elt_property (padding_scm_sym, prop);
+           }
+         announce_element (Score_element_info (text_p_, absd));
+         announce_element (Score_element_info (staff_side_p_, absd));
        }
-      else if (Span_dynamic_req *span_l = dynamic_cast <Span_dynamic_req *> (dreq_l))
+      else if (Span_req *span_l
+              = dynamic_cast <Span_req *> (dynamic_req_l_arr_[i]))
        {
-         if (span_l->spantype == Span_req::STOP)
+         if (span_l->span_dir_ == STOP)
            {
              if (!cresc_p_)
                {
-                 span_l->warning (_ ("can't find (de)crescendo to end"));
+                 span_l->warning (_ ("Can't find (de)crescendo to end"));
                }
              else
                {
                  assert (!to_end_cresc_p_);
                  to_end_cresc_p_ =cresc_p_;
+                 to_end_ss_span_p_ = ss_span_p_ ;
+                 
                  cresc_p_ = 0;
+                 ss_span_p_ =0;
+
+
+
+                 
+                 SCM prop = get_property ("verticalDirection", 0);
+                 if (isdir_b (prop))
+                   {
+                     to_end_ss_span_p_->dir_ = to_dir (prop);
+                   }
+                 prop = get_property ("dynamicDirection", 0);
+                 if (isdir_b (prop))
+                   {
+                     to_end_ss_span_p_->dir_ = to_dir (prop);
+                   }
+                 prop = get_property ("dynamicPadding", 0);
+                 if (SCM_NUMBERP(prop))
+                   {
+                     to_end_ss_span_p_->set_elt_property (padding_scm_sym,prop);
+                   }
                }
            }
-         else if (span_l->spantype == Span_req::START)
+         else if (span_l->span_dir_ == START)
            {
              cresc_req_l_ = span_l;
              assert (!new_cresc_p);
              new_cresc_p  = new Crescendo;
-             new_cresc_p->grow_dir_ = span_l->dynamic_dir_;
+             new_cresc_p->grow_dir_ = (span_l->span_type_str_ == "crescendo")  ? BIGGER : SMALLER;
              announce_element (Score_element_info (new_cresc_p, span_l));
+
+             new_sss_p = new Staff_side_spanner;
+             new_sss_p->set_victim (new_cresc_p);
+             new_sss_p->axis_ = Y_AXIS;
+             // UGH.!
+             // new_sss_p->set_elt_property (dangling_scm_sym, SCM_BOOL_T);
+             announce_element (Score_element_info (new_sss_p, span_l));
            }
        }
     }
@@ -104,14 +210,20 @@ Dynamic_engraver::do_process_requests()
        {
          ::warning (_ ("Too many crescendi here"));
          typeset_element (cresc_p_);
+         typeset_element (ss_span_p_);
          cresc_p_ = 0;
+         ss_span_p_ =0;
        }
       
       cresc_p_ = new_cresc_p;
-      cresc_p_->set_bounds(LEFT,get_staff_info().musical_l ());
-      if (dynamic_p_)
+      ss_span_p_ = new_sss_p;
+      cresc_p_->set_bounds(LEFT,get_staff_info().musical_pcol_l ());
+      ss_span_p_->set_bounds (LEFT,get_staff_info().musical_pcol_l ());
+      if (text_p_)
        {
          cresc_p_->dyn_b_drul_[LEFT] = true;
+         if (to_end_cresc_p_)
+           to_end_cresc_p_->dyn_b_drul_[RIGHT] = true;
        }
     }
 }
@@ -119,35 +231,7 @@ Dynamic_engraver::do_process_requests()
 void
 Dynamic_engraver::do_pre_move_processing()
 {
-  Staff_symbol* s_l = get_staff_info().staff_sym_l_;
-  if (to_end_cresc_p_)
-    {
-      if (dynamic_p_)
-       to_end_cresc_p_->dyn_b_drul_[RIGHT]=true;
-
-
-      Scalar prop = get_property ("dynamicdir");
-      if (prop.isnum_b ())
-       {
-         to_end_cresc_p_->dir_ = (Direction) (int) prop;
-       }
-      to_end_cresc_p_->set_bounds(RIGHT,get_staff_info().musical_l ());
-      to_end_cresc_p_->add_support (s_l);
-      typeset_element (to_end_cresc_p_);
-      to_end_cresc_p_ = 0;
-    }
-  if (dynamic_p_)
-    {
-      Scalar prop = get_property ("dynamicdir");
-      if (prop.isnum_b ())
-       {
-         dynamic_p_->dir_ = (Direction) (int) prop;
-       }
-      
-      dynamic_p_->add_support (s_l);
-      typeset_element (dynamic_p_);
-      dynamic_p_ = 0;
-    }
+  typeset_all ();
 }
 
 
@@ -160,34 +244,52 @@ Dynamic_engraver::do_removal_processing ()
   if (cresc_p_)
     {
       typeset_element (cresc_p_ );
-      
+      typeset_element (ss_span_p_);
+      ss_span_p_ =0;
       cresc_req_l_->warning (_ ("unended crescendo"));
       cresc_p_ =0;
     }
+  typeset_all ();
+}
+
+
+void
+Dynamic_engraver::typeset_all ()
+{  
   if (to_end_cresc_p_)
     {
+      to_end_cresc_p_->set_bounds(RIGHT,get_staff_info().musical_pcol_l ());
+      to_end_ss_span_p_->set_bounds(RIGHT,get_staff_info().musical_pcol_l ());
       typeset_element (to_end_cresc_p_);
+      typeset_element (to_end_ss_span_p_);
       to_end_cresc_p_ =0;
+      to_end_ss_span_p_ =0;
     }
-  if (dynamic_p_)
+  
+  if (text_p_)
     {
-      typeset_element (dynamic_p_);
-      dynamic_p_ =0;
+      typeset_element (text_p_);
+      typeset_element (staff_side_p_);
+      text_p_ =0;
+      staff_side_p_ =0;
     }
 }
 
+
 void
 Dynamic_engraver::acknowledge_element (Score_element_info i)
 {
-  if (dynamic_cast<Note_column *> (i.elem_l_))
+  if (dynamic_cast<Stem *> (i.elem_l_)
+      || dynamic_cast<Note_head *> (i.elem_l_)
+      )
     {
-      if (dynamic_p_)
-       dynamic_p_->add_support (i.elem_l_);
+      if (staff_side_p_)
+       staff_side_p_->add_support (i.elem_l_);
 
-      if (to_end_cresc_p_)
-       to_end_cresc_p_->add_support (i.elem_l_);
+      if (to_end_ss_span_p_)
+       to_end_ss_span_p_->add_support (i.elem_l_);
 
-      if (cresc_p_)
-       cresc_p_->add_support (i.elem_l_);
+      if (ss_span_p_)
+       ss_span_p_->add_support (i.elem_l_);
     }
 }