#include "beam.hh"
#include "rest.hh"
+void
+Stem::set_direction (Direction d)
+{
+ if (!dir_)
+ warning ("Stem direction set already!");
+ dir_ = d;
-
-Stem::~Stem ()
-{
+ /*
+ todo
+ */
}
Stem::Stem ()
{
- /*
- TODO: staff-size
- */
beams_i_drul_[LEFT] = beams_i_drul_[RIGHT] = -1;
- mult_i_ = 0;
-
yextent_drul_[DOWN] = yextent_drul_[UP] = 0;
flag_i_ = 2;
dir_ = CENTER;
- beam_dir_ = CENTER;
- dir_forced_b_ = false;
- stem_xdir_ = LEFT;
- staff_size_i_ = 8;
-
- beam_gap_i_ = 0;
beam_l_ = 0;
}
Real
Stem::chord_start_f () const
{
- return head_positions()[dir_] * paper ()->internote_f ();
+ return head_positions()[dir_] * staff_line_leading_f ()/2.0;
}
Real
void
Stem::add_head (Rhythmic_head *n)
{
+ n->stem_l_ = this;
n->add_dependency (this); // ?
if (Note_head *nh = dynamic_cast<Note_head *> (n))
{
return dir_;
}
-void
-Stem::set_default_dir ()
-{
- dir_ = get_default_dir ();
-}
void
Stem::set_default_stemlen ()
{
- Real internote_f = paper ()->internote_f ();
- Real length_f = paper ()->get_var ("stem_length0") / internote_f;
- Real shorten_f = paper ()->get_var ("forced_stem_shorten0") / internote_f;
+ Real length_f = 0.;
+ SCM scm_len = get_elt_property(length_scm_sym);
+ if (scm_len != SCM_BOOL_F)
+ {
+ length_f = gh_scm2double (SCM_CDR(scm_len));
+ }
+ else
+ length_f = paper_l ()->get_var ("stem_length0");
+
+ bool grace_b = get_elt_property (grace_scm_sym) != SCM_BOOL_F;
+ String type_str = grace_b ? "grace_" : "";
+
+ Real shorten_f = paper_l ()->get_var (type_str + "forced_stem_shorten0");
if (!dir_)
- set_default_dir ();
+ dir_ = get_default_dir ();
+
/*
stems in unnatural (forced) direction should be shortened,
- accoding to [Roush & Gourlay]
+ according to [Roush & Gourlay]
*/
if (((int)chord_start_f ())
&& (dir_ != get_default_dir ()))
set_stemend ((dir_ > 0) ? head_positions()[BIGGER] + length_f:
head_positions()[SMALLER] - length_f);
- if (dir_ * stem_end_f () < 0)
+ if (!grace_b && (dir_ * stem_end_f () < 0))
set_stemend (0);
}
if (!stem_length_f ())
set_default_stemlen ();
-
- if (dir_ == UP)
- stem_xdir_ = RIGHT;
- if (invisible_b ())
- stem_xdir_ = CENTER;
}
-/*
- TODO
-
- move into note_column.cc
-
- */
void
Stem::set_noteheads ()
{
if (dir_ < 0)
head_l_arr_.reverse ();
- head_l_arr_[0]->extremal_i_ = -1;
- head_l_arr_.top ()->extremal_i_ = 1;
+ Note_head * beginhead = head_l_arr_[0];
+ beginhead->set_elt_property (extremal_scm_sym, SCM_BOOL_T);
+ if (beginhead != head_l_arr_.top ())
+ head_l_arr_.top ()->set_elt_property (extremal_scm_sym, SCM_BOOL_T);
+
int parity=1;
- int lastpos = head_l_arr_[0]->position_i_;
+ int lastpos = beginhead->position_i_;
for (int i=1; i < head_l_arr_.size (); i ++)
{
int dy =abs (lastpos- head_l_arr_[i]->position_i_);
if (dy <= 1)
{
if (parity)
- head_l_arr_[i]->x_dir_ = (stem_xdir_ == LEFT) ? LEFT : RIGHT;
+ head_l_arr_[i]->flip_around_stem (dir_);
parity = !parity;
}
else
if (yextent_drul_[DOWN]== yextent_drul_[UP])
set_default_extents ();
set_noteheads ();
- flag_i_ = flag_i_;
- transparent_b_ = invisible_b ();
+
+ if (invisible_b ())
+ {
+ set_elt_property (transparent_scm_sym, SCM_BOOL_T);
+ }
set_empty (invisible_b ());
+ set_spacing_hints ();
}
+
+/**
+ set stem directions for hinting the optical spacing correction.
+
+ Modifies DIR_LIST property of the Stem's Score_column
+
+ TODO: more advanced: supply height of noteheads as well, for more advanced spacing possibilities
+ */
+void
+Stem::set_spacing_hints ()
+{
+ if (!invisible_b ())
+ {
+ SCM scmdir = gh_int2scm (dir_);
+ SCM dirlist = column_l ()->get_elt_property (dir_list_scm_sym);
+ if (dirlist == SCM_BOOL_F)
+ dirlist = SCM_EOL;
+ else
+ dirlist = SCM_CDR (dirlist);
+
+ if (scm_sloppy_memq (scmdir, dirlist) == SCM_EOL)
+ {
+ dirlist = gh_cons (scmdir, dirlist);
+ column_l ()->set_elt_property (dir_list_scm_sym, dirlist);
+ }
+ }
+}
+
+Molecule
+Stem::flag () const
+{
+ String style;
+ SCM st = get_elt_property (style_scm_sym);
+ if ( st != SCM_BOOL_F)
+ {
+ st = SCM_CDR(st);
+ style = ly_scm2string (st);
+ }
+
+ char c = (dir_ == UP) ? 'u' : 'd';
+ Molecule m = lookup_l ()->afm_find (String ("flags-") + to_str (c) +
+ to_str (flag_i_));
+ if (!style.empty_b ())
+ m.add_molecule(lookup_l ()->afm_find (String ("flags-") + to_str (c) + style));
+ return m;
+}
+
Interval
Stem::do_width () const
{
; // TODO!
else
{
- r = lookup_l ()->flag (flag_i_, dir_).dim_.x ();
+ r = flag ().dim_.x ();
r += note_delta_f ();
}
return r;
{
Molecule *mol_p =new Molecule;
Drul_array<Real> stem_y = yextent_drul_;
- Real dy = paper ()->internote_f ();
+ Real dy = staff_line_leading_f ()/2.0;
Real head_wid = 0;
if (head_l_arr_.size ())
if (!invisible_b ())
{
- Molecule ss =lookup_l ()->stem (stem_y[DOWN]*dy,
- stem_y[UP]*dy);
+ Real stem_width = paper_l ()->get_var ("stemthickness");
+ Molecule ss =lookup_l ()->filledbox (Box (Interval (-stem_width/2, stem_width/2),
+ Interval (stem_y[DOWN]*dy, stem_y[UP]*dy)));
mol_p->add_molecule (ss);
}
if (!beam_l_ && abs (flag_i_) > 2)
{
- Molecule fl = lookup_l ()->flag (flag_i_, dir_);
+ Molecule fl = flag ();
fl.translate_axis(stem_y[dir_]*dy, Y_AXIS);
mol_p->add_molecule (fl);
}
if (head_l_arr_.size())
{
Interval head_wid(0, head_l_arr_[0]->extent (X_AXIS).length ());
- Real rule_thick(paper ()->rule_thickness ());
+ Real rule_thick(paper_l ()->rule_thickness ());
Interval stem_wid(-rule_thick/2, rule_thick/2);
- if (stem_xdir_ == CENTER)
+ if (dir_ == CENTER)
r = head_wid.center ();
else
- r = head_wid[stem_xdir_] - stem_wid[stem_xdir_];
+ r = head_wid[dir_] - stem_wid[dir_];
}
return r;
}
return note_delta_f () + Item::hpos_f ();
}
-/*
- TODO: head_l_arr_/rest_l_arr_ in
- */
void
Stem::do_substitute_element_pointer (Score_element*o,Score_element*n)
{
if (Note_head*h=dynamic_cast<Note_head*> (o))
- head_l_arr_.substitute (h, dynamic_cast<Note_head*>(n));
+ head_l_arr_.substitute (h, dynamic_cast<Note_head*>(n));
if (Rest *r=dynamic_cast<Rest*> (o))
rest_l_arr_.substitute (r, dynamic_cast<Rest*>(n));
if (Beam* b = dynamic_cast<Beam*> (o))
{
if (b == beam_l_)
- {
- beam_l_ = dynamic_cast<Beam*> (n);
- if (!beam_l_)
- {
- beams_i_drul_[LEFT] = 0;
- beams_i_drul_[RIGHT] = 0;
- mult_i_ = 0;
- }
- }
+ beam_l_ = dynamic_cast<Beam*> (n);
}
+ Staff_symbol_referencer::do_substitute_element_pointer (o,n);
}
projects / lilypond.git / blobdiff