source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include <ctype.h>
-#include "clef-item.hh"
+
+#include "clef.hh"
#include "string.hh"
#include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "clef-grav.hh"
-
+#include "item.hh"
+#include "font-interface.hh"
-void
-Clef_item::do_pre_processing()
+/*
+ FIXME: should use symbol for #'style.
+*/
+MAKE_SCHEME_CALLBACK (Clef,before_line_breaking,1);
+SCM
+Clef::before_line_breaking (SCM smob)
{
- change_b_ = ! (break_status_i() == 1);
+ Item * s = dynamic_cast<Item*> (unsmob_grob (smob));
- if (default_b_)
+ SCM glyph = s->get_grob_property ("glyph-name");
+
+ if (gh_string_p (glyph))
{
- set_empty(break_status_i() != 1);
- transparent_b_ = (break_status_i() != 1);
+ String str = ly_scm2string (glyph);
+
+ if (to_boolean (s->get_grob_property ("non-default"))
+ && s->break_status_dir () != RIGHT
+ && !to_boolean (s->get_grob_property ("full-size-change")))
+ {
+ str += "_change";
+ s->set_grob_property ("glyph-name", ly_str02scm (str.ch_C ()));
+ }
+ }
+ else
+ {
+ s->suicide ();
+ return SCM_UNSPECIFIED;
}
-}
-Clef_item::Clef_item()
-{
- breakable_b_ =true;
- default_b_ = false;
- change_b_ = true;
- read ("violin");
+ return SCM_UNSPECIFIED;
}
-/*
- * Convert input clef string to
- * a clef symbol and a line position.
- * This would be better done in the lexer (more efficient)
- * or as a table-lookup.
- */
-void
-Clef_item::read (String t)
+bool
+Clef::has_interface (Grob* me)
{
- symbol_= t;
- if (t == "violin")
- {
- y_position_i_ = -2;
- }
- else if (t == "bass")
- {
- y_position_i_ = 2;
- }
- else if (t == "G" || t == "G2" || t == "treble")
- {
- symbol_ = "violin";
- y_position_i_ = -2;
- }
- else if (t == "french" || t == "G1")
- {
- symbol_="violin";
- y_position_i_ = -4;
- }
- else if (t == "soprano" || t == "C1")
- {
- symbol_="alto";
- y_position_i_ = -4;
- }
- else if (t == "mezzosoprano" || t == "C2")
- {
- symbol_ = "alto";
- y_position_i_ = -2;
- }
- else if (t == "alto")
- {
- symbol_ = "alto";
- y_position_i_ = 0;
- }
- else if (t == "C3")
- {
- symbol_ = "alto";
- y_position_i_ = 0;
- }
- else if (t == "tenor" || t == "C4")
- {
- symbol_ = "alto";
- y_position_i_ = 2;
- }
- else if (t == "baritone" || t == "C5")
- {
- symbol_ = "alto";
- y_position_i_ = 4;
- }
- else if (t == "varbaritone" || t == "F3")
- {
- symbol_ = "bass";
- y_position_i_ = 0;
- }
- else if (t == "F" || t == "F4")
- {
- symbol_ = "bass";
- y_position_i_ = 2;
- }
- else if (t == "subbass")
- {
- symbol_ = "bass";
- y_position_i_ = 4;
- }
- else if (isdigit(t[1]))
- switch (t[0])
- { // we've already dealt with plain F, G or C clef
- // position 0 is line 3.
- case 'G':
- case 'g':
- symbol_ = "violin";
- y_position_i_ = 2 * (t[1] - '0') - 6;
- break;
- case 'F':
- case 'f':
- symbol_ = "bass";
- y_position_i_ = 2 * (t[1] - '0') - 6;
- break;
- }
+ return me->has_interface (ly_symbol2scm ("clef-interface"));
}
+
void
-Clef_item::read (Clef_engraver const &k)
+Clef::set_interface (Grob* me)
{
- read (k.clef_type_str_);
+ me->set_interface (ly_symbol2scm ("clef-interface"));
}
-Molecule*
-Clef_item::brew_molecule_p() const
+MAKE_SCHEME_CALLBACK (Clef,brew_molecule,1)
+SCM
+Clef::brew_molecule (SCM smob)
{
- String t = symbol_;
- if (change_b_)
- t += "_change";
- Atom s = paper()->lookup_l ()->clef (t);
- Molecule*output = new Molecule (Atom (s));
- output->translate_axis (paper()->internote_f () * y_position_i_, Y_AXIS);
- return output;
+ Grob * sc = unsmob_grob (smob);
+ SCM glyph = sc->get_grob_property ("glyph-name");
+ if (gh_string_p (glyph))
+ {
+ return Font_interface::get_default_font (sc)->find_by_name (String (ly_scm2string (glyph))).smobbed_copy ();
+ }
+ else
+ {
+ return SCM_EOL;
+ }
}
-
-
-IMPLEMENT_IS_TYPE_B1(Clef_item,Item);