source file of the GNU LilyPond music typesetter
- (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "molecule.hh"
+#include "stencil.hh"
#include "paper-def.hh"
#include "font-interface.hh"
#include "rest.hh"
#include "dots.hh"
#include "paper-score.hh"
#include "staff-symbol-referencer.hh"
+#include "directional-element-interface.hh"
// -> offset callback
-MAKE_SCHEME_CALLBACK(Rest,after_line_breaking,1);
+MAKE_SCHEME_CALLBACK (Rest,after_line_breaking,1);
SCM
Rest::after_line_breaking (SCM smob)
{
Grob *me = unsmob_grob (smob);
int bt = gh_scm2int (me->get_grob_property ("duration-log"));
- if (bt == 0)
+ int lc = Staff_symbol_referencer::line_count (me);
+ Real ss = Staff_symbol_referencer::staff_space (me);
+ if(lc % 2)
{
- me->translate_axis (Staff_symbol_referencer::staff_space (me) , Y_AXIS);
+ if (bt == 0 && lc > 1)
+ {
+ me->translate_axis (ss , Y_AXIS);
+ }
+ }
+ else
+ {
+ me->translate_axis (ss/2 , Y_AXIS);
}
Grob * d = unsmob_grob (me->get_grob_property ("dot"));
if (d && bt > 4) // UGH.
{
d->set_grob_property ("staff-position",
- gh_int2scm ((bt == 7) ? 4 : 3));
+ gh_int2scm ((bt == 7) ? 4 : 3));
+ }
+ if (d && bt >= -1 && bt <= 1) // UGH again.
+ {
+ d->set_grob_property ("staff-position",
+ gh_int2scm ((bt == 0) ? -1 : 1));
}
-
return SCM_UNSPECIFIED;
}
+/*
+ make this function easily usable in C++
+ */
+String
+Rest::glyph_name (Grob *me, int balltype, String style)
+{
+ bool ledgered_b = false;
+
+ if (balltype == 0 || balltype == 1)
+ {
+ Real rad = Staff_symbol_referencer::staff_radius (me) * 2.0;
+ Real pos = Staff_symbol_referencer::get_position (me);
+
+ /*
+ Figure out when the rest is far enough outside the staff. This
+ could bemore generic, but hey, we understand this even after
+ dinner.
+ */
+ ledgered_b |= (balltype == 0) && (pos >= +rad + 2 || pos < -rad);
+ ledgered_b |= (balltype == 1) && (pos <= -rad - 2 || pos > +rad);
+ }
+
+ String actual_style (style.to_str0 ());
+
+ if ((style == "mensural") || (style == "neo_mensural")) {
+
+ /*
+ FIXME: Currently, ancient font does not provide ledgered rests;
+ hence the "o" suffix in the glyph name is bogus. But do we need
+ ledgered rests at all now that we can draw ledger lines with
+ variable width, length and blotdiameter? -- jr
+ */
+ ledgered_b = 0;
+
+ /*
+ There are no 32th/64th/128th mensural/neo_mensural rests. In
+ these cases, revert back to default style.
+ */
+ if (balltype > 4)
+ actual_style = "";
+ }
+
+ if ((style == "classical") && (balltype != 2)) {
+ /*
+ classical style: revert back to default style for any rest other
+ than quarter rest
+ */
+ actual_style = "";
+ }
+
+ if (style == "default") {
+ /*
+ Some parts of lily still prefer style "default" over "".
+ Correct this here. -- jr
+ */
+ actual_style = "";
+ }
+
+ return ("rests-") + to_string (balltype) + (ledgered_b ? "o" : "") + actual_style;
+}
+
-MAKE_SCHEME_CALLBACK(Rest,brew_molecule,1);
+MAKE_SCHEME_CALLBACK (Rest,print,1);
SCM
-Rest::brew_internal_molecule (SCM smob)
+Rest::brew_internal_stencil (SCM smob)
{
Grob* me = unsmob_grob (smob);
-
- bool ledger_b =false;
- SCM balltype = me->get_grob_property ("duration-log");
-
- if (balltype == gh_int2scm (0) || balltype == gh_int2scm (1))
- {
- int sz = Staff_symbol_referencer::line_count (me);
- Real dif = abs(Staff_symbol_referencer::position_f (me) - (2* gh_scm2int (balltype) - 1));
- ledger_b = dif > sz;
- }
+ SCM balltype_scm = me->get_grob_property ("duration-log");
+ if (!gh_number_p (balltype_scm))
+ return Stencil ().smobbed_copy ();
+
+ int balltype = gh_scm2int (balltype_scm);
String style;
- SCM style_sym =me->get_grob_property ("style");
- if (gh_scm2int (balltype) >= 2 && gh_symbol_p (style_sym))
+ SCM style_scm = me->get_grob_property ("style");
+ if (gh_symbol_p (style_scm))
{
- style = ly_scm2string (scm_symbol_to_string (style_sym));
+ style = ly_scm2string (scm_symbol_to_string (style_scm));
}
- String idx = ("rests-") + to_str (gh_scm2int (balltype))
- + (ledger_b ? "o" : "") + style;
+ Font_metric *fm = Font_interface::get_default_font (me);
+ String font_char = glyph_name (me, balltype, style);
+ Stencil out = fm->find_by_name (font_char);
+ if (out.is_empty ())
+ {
+ me->warning (_f ("rest `%s' not found, ", font_char.to_str0 ()));
+ }
- return Font_interface::get_default_font (me)->find_by_name (idx).smobbed_copy();
+ return out.smobbed_copy();
}
SCM
-Rest::brew_molecule (SCM smob)
+Rest::print (SCM smob)
{
- return brew_internal_molecule (smob);
+ return brew_internal_stencil (smob);
}
-MAKE_SCHEME_CALLBACK(Rest,extent_callback,2);
+MAKE_SCHEME_CALLBACK (Rest,extent_callback,2);
/*
- We need the callback. The real molecule has ledgers depending on
+ We need the callback. The real stencil has ledgers depending on
Y-position. The Y-position is known only after line breaking. */
SCM
Rest::extent_callback (SCM smob, SCM ax)
{
Axis a = (Axis) gh_scm2int (ax);
- SCM m = brew_internal_molecule (smob);
- return ly_interval2scm (unsmob_molecule (m)->extent (a));
+ SCM m = brew_internal_stencil (smob);
+ return ly_interval2scm (unsmob_stencil (m)->extent (a));
}
-bool
-Rest::has_interface (Grob*m)
+MAKE_SCHEME_CALLBACK (Rest,polyphonic_offset_callback,2);
+SCM
+Rest::polyphonic_offset_callback (SCM smob, SCM)
{
- return m && m->has_interface (ly_symbol2scm ("rest-interface"));
+ Grob* me = unsmob_grob (smob);
+ Direction d = get_grob_direction (me);
+ Real off = 2* d ;
+ if(off)
+ off *= Staff_symbol_referencer::staff_space (me);
+ return gh_double2scm (off);
}
+
+ADD_INTERFACE (Rest,"rest-interface",
+ "a rest",
+ "style minimum-distance");
+
projects / lilypond.git / blobdiff