#include "proto.hh"
#include "misc.hh"
-#include "debug.hh"
+#include "cross-staff.hh"
-#include "align-element.hh"
#include "stem.hh"
#include "paper-def.hh"
#include "lookup.hh"
#include "stem-info.hh"
#include "beam.hh"
-#include "staff-symbol.hh"
+
Stem_info::Stem_info ()
{
}
+
+
/*
FIXME: y dims should not be in internote.
*/
-
Stem_info::Stem_info (Stem*s, int mult)
{
mult_i_ =mult;
SCM bd = stem_l_->remove_elt_property (beam_dir_scm_sym);
beam_dir_ = gh_scm2int (SCM_CDR(bd));
- interstaff_f_ = 0;
Paper_def* paper_l = stem_l_->paper_l ();
Real internote_f = stem_l_->staff_line_leading_f ()/2;
Real interbeam_f = paper_l->interbeam_f (mult_i_);
- Real beam_f = paper_l->beam_thickness_f ();
+ Real beam_f = paper_l->get_realvar (beam_thickness_scm_sym);;
- {
- static int i = 1;
- DOUT << "******" << i++ << "******\n"
- << "begin_f: " << stem_l_->stem_begin_f () * dir_
- << "\nchord_f/i: " << stem_l_->chord_start_f () * dir_ / internote_f << '\n';
- }
// strangely enough, dim(chord_start_f) == pt (and not internote!)
idealy_f_ = stem_l_->chord_start_f () / internote_f;
// for simplicity, we calculate as if dir == UP
idealy_f_ *= beam_dir_;
-
+
+ bool grace_b = stem_l_->get_elt_property (grace_scm_sym) != SCM_BOOL_F;
+ bool no_extend_b = stem_l_->get_elt_property (no_stem_extend_scm_sym)
+ != SCM_BOOL_F;
+
int stem_max = (int)rint(paper_l->get_var ("stem_max"));
- Real min_stem_f = paper_l->get_var (String ("minimum_stem_length")
- + to_str (mult_i_ <? stem_max));
- Real stem_f = paper_l->get_var (String ("stem_length")
- + to_str (mult_i_ <? stem_max));
+ String type_str = grace_b ? "grace_" : "";
+ Real min_stem_f = paper_l->get_var (type_str + "minimum_stem_length"
+ + to_str (mult_i_ <? stem_max)) * internote_f;
+ Real stem_f = paper_l->get_var (type_str + "stem_length"
+ + to_str (mult_i_ <? stem_max))* internote_f;
if (!beam_dir_ || (beam_dir_ == dir_))
/* normal beamed stem */
idealy_f_ += stem_f;
miny_f_ += min_stem_f;
- // lowest beam of (UP) beam must never be lower than second staffline
- miny_f_ = miny_f_ >? (- 2 * internote_f - beam_f
- + (mult_i_ > 0) * beam_f + interbeam_f * (mult_i_ - 1));
+ /*
+ lowest beam of (UP) beam must never be lower than second staffline
+
+ Hmm, reference (Wanske?)
+
+ Although this (additional) rule is probably correct,
+ I expect that highest beam (UP) should also never be lower
+ than middle staffline, just as normal stems.
+
+ */
+ if (!grace_b && !no_extend_b)
+ {
+ //highest beam of (UP) beam must never be lower than middle staffline
+ miny_f_ = miny_f_ >? 0;
+ //lowest beam of (UP) beam must never be lower than second staffline
+ miny_f_ = miny_f_ >? (- 2 * internote_f - beam_f
+ + (mult_i_ > 0) * beam_f + interbeam_f * (mult_i_ - 1));
+ }
}
else
/* knee */
{
idealy_f_ -= beam_f;
- // idealy_f_ -= (mult_i_ - 1) * interbeam_f;
- // idealy_f_ += (mult_i_ - stem_l_->flag_i_ >? 0) * interbeam_f;
maxy_f_ = idealy_f_;
miny_f_ = -INT_MAX;
miny_f_ /= internote_f;
maxy_f_ /= internote_f;
- DOUT << "dir_: " << dir_ << '\n';
- DOUT << "mult_i_: " << mult_i_ << '\n';
- DOUT << "idealy_f_: " << idealy_f_ << '\n';
- DOUT << "miny_f_: " << miny_f_ << '\n';
- DOUT << "maxy_f_: " << maxy_f_ << '\n';
-
idealy_f_ = maxy_f_ <? idealy_f_;
idealy_f_ = miny_f_ >? idealy_f_;
// interstaff beam
Beam* beam_l = stem_l_->beam_l_;
- Dimension_cache *common = stem_l_->common_group (beam_l, Y_AXIS);
- Align_element * align = dynamic_cast<Align_element*> (common->element_l ());
- if (align && align->axis() == Y_AXIS)
- {
- if (align->threshold_interval_[MIN] !=
- align->threshold_interval_[MAX])
- warning (_ ("minVerticalAlign != maxVerticalAlign: interstaff beams/slurs may be broken"));
-
- interstaff_f_ = align->threshold_interval_[MIN] / internote_f;
-
- Dimension_cache * beam_refpoint = &beam_l->dim_cache_[Y_AXIS];
- Dimension_cache * stem_refpoint = &stem_l_->dim_cache_[Y_AXIS];
-
- while (beam_refpoint->parent_l_ != common)
- beam_refpoint = beam_refpoint->parent_l_;
- while (stem_refpoint->parent_l_ != common)
- stem_refpoint = stem_refpoint->parent_l_;
-
-
- int beam_prio =
- align->get_priority (dynamic_cast<Score_element*> (beam_refpoint->element_l ()));
- int stem_prio =
- align->get_priority (dynamic_cast<Score_element*> (stem_refpoint->element_l ()));
-
- /*
- our staff is lower -> interstaff_f_ *= -1
- */
- if (beam_prio < stem_prio)
- interstaff_f_ *= -1;
-
- idealy_f_ += interstaff_f_ * beam_dir_;
- miny_f_ += interstaff_f_ * beam_dir_;
- maxy_f_ += interstaff_f_ * beam_dir_;
- }
+ interstaff_f_ = calc_interstaff_dist (stem_l_, beam_l) / internote_f;
+ idealy_f_ += interstaff_f_* beam_dir_;
+ miny_f_ += interstaff_f_ * beam_dir_;
+ maxy_f_ += interstaff_f_ * beam_dir_;
}