/*
- clef.cc -- implement Clef_engraver
+
+ clef-engraver.cc -- implement Clef_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+
Mats Bengtsson <matsb@s3.kth.se>
*/
#include <ctype.h>
+
+#include "translator-group.hh"
+#include "key-item.hh"
+#include "local-key-item.hh"
#include "bar.hh"
-#include "clef-engraver.hh"
-#include "clef-item.hh"
+#include "note-head.hh"
+#include "staff-symbol-referencer.hh"
#include "debug.hh"
#include "command-request.hh"
-#include "time-description.hh"
-#include "note-head.hh"
-#include "key-item.hh"
-#include "local-key-item.hh"
+#include "engraver.hh"
+#include "direction.hh"
+#include "side-position-interface.hh"
+#include "item.hh"
-Clef_engraver::Clef_engraver()
+/// where is c-0 in the staff?
+class Clef_engraver : public Engraver
{
- clef_req_l_ = 0;
- clef_type_str_ = "";
- c0_position_i_ = 0;
- clef_position_i_ = 0;
- octave_dir_ = CENTER;
-}
+public:
+ VIRTUAL_COPY_CONS (Translator);
+ Clef_engraver ();
-struct Clef_settings {
- char const *name;
- char const *cleftype;
- int position;
-} clef_settings[] = {
- {"treble", "treble", -2},
- {"violin", "treble", -2},
- {"G", "treble", -2},
- {"G2", "treble", -2},
- {"scarlatti", "scarlatti", 0 },
- {"french", "treble",-4 },
- {"soprano", "alto",-4 },
- {"mezzosoprano", "alto",-2 },
- {"alto", "alto",0 },
- {"tenor", "alto",2 },
- {"baritone", "alto",4 },
- {"varbaritone", "bass",0 },
- {"bass" , "bass",2 },
- {"F", "bass", 2},
- {"subbass", "bass",4},
- {0,0,0}
-};
+ Direction octave_dir_;
+ bool first_b_;
+protected:
+ virtual void do_process_music ();
+ virtual void do_pre_move_processing ();
+ virtual void do_creation_processing ();
+ virtual void do_post_move_processing ();
+ virtual bool do_try_music (Music*);
+ virtual void acknowledge_element (Score_element_info);
+private:
+ Item * clef_p_;
+ Item * octavate_p_;
+ Clef_change_req * clef_req_l_;
+
+ void create_clef ();
+ bool set_type (String);
+};
-/*
- Ugh. Should have support for Dictionaries in mudela.
- */
+Clef_engraver::Clef_engraver ()
+{
+ first_b_ = true;
+ clef_p_ = 0;
+ clef_req_l_ = 0;
+ octave_dir_ = CENTER;
+ octavate_p_ = 0;
+}
+
bool
Clef_engraver::set_type (String s)
{
- if (s.right_str(2) == "_8") // Down one octave
+ if (s.right_str (2) == "_8") // Down one octave
{
octave_dir_ = DOWN;
- s = s.left_str(s.length_i() - 2);
+ s = s.left_str (s.length_i () - 2);
}
- else if (s.right_str(2) == "^8") // Up one octave
+ else if (s.right_str (2) == "^8") // Up one octave
{
octave_dir_ = UP;
- s = s.left_str(s.length_i() - 2);
+ s = s.left_str (s.length_i () - 2);
}
else
octave_dir_ = CENTER;
- bool found = 0;
- for (Clef_settings *c = clef_settings; !found && c->name; c++)
- {
- if (c->name == s)
- {
- clef_type_str_ = c->cleftype;
- clef_position_i_ = c->position;
- found = 1;
- }
- }
- if (!found)
+ SCM c = get_property ("supportedClefTypes");
+ SCM p = get_property ("clefPitches");
+
+ if (gh_list_p (c))
{
- switch(toupper (s[0]))
- {
- case 'F':
- clef_type_str_ = "bass";
- break;
- case 'G':
- clef_type_str_ = "treble";
- break;
- case 'C':
- clef_type_str_ = "alto";
- break;
- default:
- return false;
- }
- clef_position_i_ = 2 * (s[1] - '0') - 6;
+ SCM found = scm_assoc (ly_str02scm (s.ch_C ()), c);
+ if (found == SCM_BOOL_F)
+ return false;
+
+ SCM glyph = gh_cadr (found);
+ SCM pos = gh_caddr (found);
+
+ daddy_trans_l_->set_property ("glyph", glyph);
+ daddy_trans_l_->set_property ("position", pos);
+
+ found = scm_assoc (glyph, p);
+ if (found == SCM_BOOL_F)
+ return false;
+
+ int c0_position = gh_scm2int (pos) + gh_scm2int (gh_cdr (found));
+ daddy_trans_l_->set_property ("c0-position", gh_int2scm (c0_position));
}
- if (clef_type_str_ == "treble")
- c0_position_i_ = clef_position_i_ - 4;
- else if (clef_type_str_ == "alto")
- c0_position_i_ = clef_position_i_;
- else if (clef_type_str_ == "bass")
- c0_position_i_ = clef_position_i_ + 4;
- else if (clef_type_str_ == "scarlatti")
- c0_position_i_ = 0;
- else
- assert (false);
-
- c0_position_i_ -= (int) octave_dir_ * 7;
-
- return true;
-}
+ int c0_position = gh_scm2int (get_property ("c0-position"));
+ c0_position -= (int)octave_dir_ * 7;
+ daddy_trans_l_->set_property ("c0-position", gh_int2scm (c0_position));
-void
-Clef_engraver::read_req (Clef_change_req*c_l)
-{
- if (!set_type (c_l->clef_str_))
- c_l->error (_ ("unknown clef type "));
-}
+ SCM basic = ly_symbol2scm ("Clef");
+ SCM c0 = ly_symbol2scm ("c0-position");
+ SCM gl = ly_symbol2scm ("glyph");
+
+ daddy_trans_l_->execute_single_pushpop_property (basic, gl, SCM_UNDEFINED);
+ daddy_trans_l_->execute_single_pushpop_property (basic, c0, SCM_UNDEFINED);
+ daddy_trans_l_->execute_single_pushpop_property (basic, gl,
+ get_property ("glyph"));
+ daddy_trans_l_->execute_single_pushpop_property (basic, c0,
+ get_property ("c0_position")
+ );
+ return true;
+}
/**
Generate a clef at the start of a measure. (when you see a Bar,
void
Clef_engraver::acknowledge_element (Score_element_info info)
{
- if (dynamic_cast<Bar*>(info.elem_l_)
- && clef_type_str_.length_i())
+ Item * item =dynamic_cast <Item *> (info.elem_l_);
+ if (item)
{
- create_clef();
- if (!clef_req_l_)
- for (int i=0; i < clef_p_arr_.size (); i++)
- {
- clef_p_arr_[i]->default_b_ = true;
- }
-
- }
+ if (Bar::has_interface (info.elem_l_)
+ && gh_string_p (get_property ("glyph")))
+ create_clef ();
+
- /* ugh; should make Clef_referenced baseclass */
- Item * it_l =dynamic_cast <Item *> (info.elem_l_);
- if (it_l)
- {
- if (Note_head * h = dynamic_cast<Note_head*>(it_l))
+ if (Note_head::has_interface (item)
+ || Local_key_item::has_interface (item))
{
- h->position_i_ += c0_position_i_;
+ int p = int (Staff_symbol_referencer::position_f (item))
+ + gh_scm2int (get_property ("c0-position"));
+ Staff_symbol_referencer::set_position (item, p);
}
- else if (Local_key_item *i = dynamic_cast<Local_key_item*> (it_l))
+ else if (Key_item::has_interface (item))
{
- i->c0_position_i_ =c0_position_i_;
- }
- else if (Key_item *k = dynamic_cast<Key_item*>(it_l))
- {
- k-> set_c_position (c0_position_i_);
+ item->set_elt_property ("c0-position", get_property ("c0-position"));
}
}
}
void
-Clef_engraver::do_creation_processing()
+Clef_engraver::do_creation_processing ()
{
- Scalar def = get_property ("defaultClef", 0);
- if (def.to_bool ()) // egcs: Scalar to bool is ambiguous
- set_type (def);
-
- if (clef_type_str_.length_i ())
- {
- create_clef();
- for (int i=0; i < clef_p_arr_.size (); i++)
+ daddy_trans_l_->set_property ("position", gh_int2scm (0));
+ daddy_trans_l_->set_property ("glyph", SCM_EOL);
+ daddy_trans_l_->set_property ("c0-position", gh_int2scm (0));
- clef_p_arr_[i]->default_b_ = false;
+ SCM def = get_property ("defaultClef");
+ if (gh_string_p (def))
+ {
+ set_type (ly_scm2string (def));
}
}
if (Clef_change_req *cl = dynamic_cast <Clef_change_req *> (r_l))
{
clef_req_l_ = cl;
- read_req (clef_req_l_);
+ if (!set_type (cl->clef_str_))
+ cl->origin ()->warning (_ ("unknown clef type"));
+
return true;
}
- else
- return false;
-
+ return false;
}
void
-Clef_engraver::create_clef()
+Clef_engraver::create_clef ()
{
- if (clef_type_str_ == "scarlatti")
+ if (!clef_p_)
{
- while (clef_p_arr_.size () < 2)
- {
- Clef_item *ct= new Clef_item;
- ct->break_priority_i_ = -2; // UGH
- announce_element (Score_element_info (ct, clef_req_l_));
- clef_p_arr_.push (ct);
- }
- clef_p_arr_[0]->symbol_ = "treble";
- clef_p_arr_[0]->y_position_i_ = 4;
- clef_p_arr_[1]->symbol_ = "bass";
- clef_p_arr_[1]->y_position_i_ = -4;
+ Item *c= new Item (get_property ("Clef"));
+ announce_element (c, clef_req_l_);
+
+ Staff_symbol_referencer::set_interface (c);
+
+ clef_p_ = c;
}
- else
+ Staff_symbol_referencer::set_position (clef_p_,
+ gh_scm2int (get_property ("position")
+ ));
+ if (octave_dir_)
{
- if (!clef_p_arr_.size ())
- {
- Clef_item *c= new Clef_item;
- c->break_priority_i_ = -2; // ugh
- announce_element (Score_element_info (c, clef_req_l_));
- clef_p_arr_.push (c);
- }
+ Item * g = new Item (get_property ("OctavateEight"));
- for (int i=0; i < clef_p_arr_.size (); i++)
- {
- clef_p_arr_[i]->symbol_ = clef_type_str_;
- clef_p_arr_[i]->y_position_i_ = clef_position_i_;
- clef_p_arr_[i]->octave_dir_ = octave_dir_;
- }
+ Side_position::add_support (g,clef_p_);
+
+ g->set_parent (clef_p_, Y_AXIS);
+ g->set_parent (clef_p_, X_AXIS);
+
+ g->set_elt_property ("direction", gh_int2scm (octave_dir_));
+ octavate_p_ = g;
+ announce_element (octavate_p_, clef_req_l_);
}
}
-
void
-Clef_engraver::do_process_requests()
+Clef_engraver::do_process_music ()
{
- if (clef_req_l_)
+ if (clef_req_l_ || first_b_)
{
- create_clef();
- for (int i=0; i < clef_p_arr_.size (); i++)
- clef_p_arr_[i]->default_b_ = false;
+ create_clef ();
+ clef_p_->set_elt_property ("non-default", SCM_BOOL_T);
}
}
void
-Clef_engraver::do_pre_move_processing()
+Clef_engraver::do_pre_move_processing ()
{
- for (int i=0; i <clef_p_arr_.size (); i++)
+ if (clef_p_)
{
- typeset_element (clef_p_arr_[i]);
+ SCM vis = 0;
+ if (to_boolean (clef_p_->get_elt_property ("non-default")))
+ {
+ vis = get_property ("explicitClefVisibility");
+ }
+
+ if (vis)
+ {
+ clef_p_->set_elt_property ("visibility-lambda", vis);
+ if (octavate_p_)
+ octavate_p_->set_elt_property ("visibility-lambda", vis);
+ }
+
+ typeset_element (clef_p_);
+ clef_p_ =0;
+
+ if (octavate_p_)
+ typeset_element (octavate_p_);
+
+ octavate_p_ = 0;
}
- clef_p_arr_.clear ();
-}
-void
-Clef_engraver::do_post_move_processing()
-{
- clef_req_l_ = 0;
+ first_b_ = 0;
}
void
-Clef_engraver::do_removal_processing()
+Clef_engraver::do_post_move_processing ()
{
- if (clef_p_arr_.size ())
- {
- assert (false);
- }
+ clef_req_l_ = 0;
}
+ADD_THIS_TRANSLATOR (Clef_engraver);
-
-ADD_THIS_TRANSLATOR(Clef_engraver);
projects / lilypond.git / blobdiff