#include "beam.hh"
-#include "beaming.hh"
+#include "beaming-pattern.hh"
#include "directional-element-interface.hh"
#include "main.hh"
#include "international.hh"
Beam_stem_segment::Beam_stem_segment ()
{
+ max_connect_ = 1000; // infinity
stem_ = 0;
width_ = 0.0;
stem_x_ = 0.0;
/* Beams with less than 2 two stems don't make much sense, but could happen
when you do
- [r8 c8 r8].
+ r8[ c8 r8]
- For a beam that only has one stem, we try to do some disappearance magic:
- we revert the flag, and move on to The Eternal Engraving Fields. */
+ */
- Direction d = CENTER;
+ Direction dir = CENTER;
int count = visible_stem_count (me);
if (count < 2)
{
extract_grob_set (me, "stems", stems);
- if (stems.size () == 1)
+ if (stems.size () == 0)
{
- me->warning (_ ("removing beam with less than two stems"));
-
- stems[0]->set_object ("beam", SCM_EOL);
+ me->warning (_ ("removing beam with no stems"));
me->suicide ();
- return SCM_UNSPECIFIED;
- }
- else if (stems.size () == 0)
- {
- me->suicide ();
return SCM_UNSPECIFIED;
}
else
/*
ugh: stems[0] case happens for chord tremolo.
*/
- d = to_dir ((stem ? stem : stems[0])->get_property ("default-direction"));
+ dir = to_dir ((stem ? stem : stems[0])->get_property ("default-direction"));
}
}
if (count >= 1)
{
- if (!d)
- d = get_default_dir (me);
+ if (!dir)
+ dir = get_default_dir (me);
consider_auto_knees (me);
}
- if (d)
+ if (dir)
{
- set_stem_directions (me, d);
+ set_stem_directions (me, dir);
}
- return scm_from_int (d);
+ return scm_from_int (dir);
}
vector<Beam_segment>
Beam::get_beam_segments (Grob *me_grob, Grob **common)
{
+ /* ugh, this has a side-effect that we need to ensure that
+ Stem #'beaming is correct */
+ (void) me_grob->get_property ("quantized-positions");
+
Spanner *me = dynamic_cast<Spanner*> (me_grob);
extract_grob_set (me, "stems", stems);
seg.width_ = stem_width;
seg.stem_index_ = i;
seg.dir_ = d;
+ seg.max_connect_ = robust_scm2int (stem->get_property ("max-beam-connect"), 1000);
+
Direction stem_dir = get_grob_direction (stem);
seg.gapped_
i != stem_segments.end (); i++)
{
vector<Beam_stem_segment> segs = (*i).second;
- vector_sort (segs, default_compare);
+ vector_sort (segs, less<Beam_stem_segment> ());
Beam_segment current;
- current.vertical_count_ = (*i).first;
+
+ int vertical_count = (*i).first;
for (vsize j = 0; j < segs.size (); j++)
{
/*
j == segs.size() - 1 && event_dir==RIGHT);
Drul_array<bool> inside (j > 0, j < segs.size()-1);
bool event = on_bound[event_dir]
- || abs (segs[j].rank_ - segs[j+event_dir].rank_) > 1;
+ || abs (segs[j].rank_ - segs[j+event_dir].rank_) > 1
+ || (abs (vertical_count) >= segs[j].max_connect_
+ || abs (vertical_count) >= segs[j + event_dir].max_connect_);
if (!event)
continue;
- current.vertical_count_ = (*i).first;
+ current.vertical_count_ = vertical_count;
current.horizontal_[event_dir] = segs[j].stem_x_;
if (segs[j].dir_ == event_dir)
{
- if (on_bound[event_dir] && me->get_bound (event_dir)->break_status_dir ())
+ if (on_bound[event_dir]
+ && me->get_bound (event_dir)->break_status_dir ())
{
- current.horizontal_[event_dir] += event_dir * break_overshoot[event_dir];
+ current.horizontal_[event_dir]
+ = (me->get_bound (event_dir)->extent (commonx, X_AXIS)[RIGHT]
+ + event_dir * break_overshoot[event_dir]);
}
else
{
Real notehead_width =
Stem::duration_log (segs[j].stem_) == 1
- ? 1.98 : 1.32; // URG.
+ ? 1.98
+ : 1.32; // URG.
if (inside[event_dir])
notehead_width = min (notehead_width,
if (event_dir == RIGHT)
{
- current.vertical_count_ = (*i).first;
segments.push_back (current);
current = Beam_segment();
}
Grob *commonx = 0;
vector<Beam_segment> segments = get_beam_segments (me, &commonx);
- Real x0, dx;
+ Interval span;
if (visible_stem_count (me))
{
- x0 = first_visible_stem (me)->relative_coordinate (commonx, X_AXIS);
- dx = last_visible_stem (me)->relative_coordinate (commonx, X_AXIS) - x0;
+ span[LEFT] = first_visible_stem (me)->relative_coordinate (commonx, X_AXIS);
+ span[RIGHT] = last_visible_stem (me)->relative_coordinate (commonx, X_AXIS);
}
else
{
extract_grob_set (me, "stems", stems);
- x0 = stems[0]->relative_coordinate (commonx, X_AXIS);
- dx = stems.back ()->relative_coordinate (commonx, X_AXIS) - x0;
+ span[LEFT] = stems[0]->relative_coordinate (commonx, X_AXIS);
+ span[RIGHT] = stems.back ()->relative_coordinate (commonx, X_AXIS);
}
Real blot = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
SCM posns = me->get_property ("quantized-positions");
- Drul_array<Real> pos;
+ Interval pos;
if (!is_number_pair (posns))
{
programming_error ("no beam positions?");
scale_drul (&pos, Staff_symbol_referencer::staff_space (me));
Real dy = pos[RIGHT] - pos[LEFT];
- Real slope = (dy && dx) ? dy / dx : 0;
+ Real slope = (dy && span.length ()) ? dy / span.length () : 0;
Real thick = get_thickness (me);
Real beam_dy = get_beam_translation (me);
-
+ Direction feather_dir = to_dir (me->get_property ("grow-direction"));
+
Stencil the_beam;
for (vsize i = 0; i < segments.size (); i ++)
{
- Stencil b = Lookup::beam (slope, segments[i].horizontal_.length (), thick, blot);
+ Real local_slope = slope;
+ if (feather_dir)
+ {
+ local_slope += feather_dir * segments[i].vertical_count_ * beam_dy / span.length ();
+ }
+
+ Stencil b = Lookup::beam (local_slope, segments[i].horizontal_.length (), thick, blot);
b.translate_axis (segments[i].horizontal_[LEFT], X_AXIS);
- b.translate_axis (slope * (segments[i].horizontal_[LEFT] - x0)
+
+ b.translate_axis (local_slope
+ * (segments[i].horizontal_[LEFT] - span.linear_combination (feather_dir))
+ + pos.linear_combination (feather_dir)
+ beam_dy * segments[i].vertical_count_, Y_AXIS);
the_beam.add_stencil (b);
}
}
#endif
- the_beam.translate_axis (pos[LEFT], Y_AXIS);
the_beam.translate_axis (-me->relative_coordinate (commonx, X_AXIS), X_AXIS);
return the_beam.smobbed_copy ();
}
{
Grob *s = stems[i];
Direction stem_dir = CENTER;
- SCM stem_dir_scm = s->get_property_data (ly_symbol2scm ("direction"));
+ SCM stem_dir_scm = s->get_property_data ("direction");
if (is_direction (stem_dir_scm))
{
stem_dir = to_dir (stem_dir_scm);
{
Grob *s = stems[i];
- SCM forcedir = s->get_property_data (ly_symbol2scm ("direction"));
+ SCM forcedir = s->get_property_data ("direction");
if (!to_dir (forcedir))
set_grob_direction (s, d);
}
*/
head_extents += stem->relative_coordinate (common, Y_AXIS);
- if (to_dir (stem->get_property_data (ly_symbol2scm ("direction"))))
+ if (to_dir (stem->get_property_data ("direction")))
{
Direction stemdir = to_dir (stem->get_property ("direction"));
head_extents[-stemdir] = -stemdir * infinity_f;
Interval pos (0,0);
if (count < 1)
return ly_interval2scm (pos);
-
+
vector<Real> x_posns;
extract_grob_set (me, "stems", stems);
Grob *commonx = common_refpoint_of_array (stems, me, X_AXIS);
Grob *lvs = last_visible_stem (me);
Interval ideal (Stem::get_stem_info (fvs).ideal_y_
- + fvs->relative_coordinate (commony, Y_AXIS) -my_y,
+ + fvs->relative_coordinate (commony, Y_AXIS) - my_y,
Stem::get_stem_info (lvs).ideal_y_
+ lvs->relative_coordinate (commony, Y_AXIS) - my_y);
/* Return the Y position of the stem-end, given the Y-left, Y-right
in POS for stem S. This Y position is relative to S. */
Real
-Beam::calc_stem_y (Grob *me, Grob *s, Grob ** common,
+Beam::calc_stem_y (Grob *me, Grob *stem, Grob **common,
Real xl, Real xr,
Drul_array<Real> pos, bool french)
{
Real beam_translation = get_beam_translation (me);
- Real r = s->relative_coordinate (common[X_AXIS], X_AXIS) - xl;
+ Real r = stem->relative_coordinate (common[X_AXIS], X_AXIS) - xl;
Real dy = pos[RIGHT] - pos[LEFT];
Real dx = xr - xl;
Real stem_y_beam0 = (dy && dx
* dy
: 0) + pos[LEFT];
- Direction my_dir = get_grob_direction (s);
- SCM beaming = s->get_property ("beaming");
+ Direction my_dir = get_grob_direction (stem);
+ SCM beaming = stem->get_property ("beaming");
Real stem_y = stem_y_beam0;
if (french)
}
else
{
- Slice bm = Stem::beam_multiplicity (s);
+ Slice bm = Stem::beam_multiplicity (stem);
if (!bm.is_empty ())
stem_y += bm[my_dir] * beam_translation;
}
Real id = me->relative_coordinate (common[Y_AXIS], Y_AXIS)
- - s->relative_coordinate (common[Y_AXIS], Y_AXIS);
+ - stem->relative_coordinate (common[Y_AXIS], Y_AXIS);
return stem_y + id;
}
{
Grob *me = unsmob_grob (smob);
- /* trigger callback. */
+ /* trigger callbacks. */
(void) me->get_property ("direction");
+ (void) me->get_property ("beaming");
SCM posns = me->get_property ("positions");
bool gap = false;
Real thick = 0.0;
- if (scm_is_number (me->get_property ("gap-count"))
- && scm_to_int (me->get_property ("gap-count")))
+ if (robust_scm2int (me->get_property ("gap-count"), 0))
{
gap = true;
thick = get_thickness (me);
for (vsize i = 0; i < stems.size (); i++)
{
Grob *s = stems[i];
- if (Stem::is_invisible (s))
- continue;
bool french = to_boolean (s->get_property ("french-beaming"));
Real stem_y = calc_stem_y (me, s, common,
Make the stems go up to the end of the beam. This doesn't matter
for normal beams, but for tremolo beams it looks silly otherwise.
*/
- if (gap)
+ if (gap
+ && !Stem::is_invisible (s))
stem_y += thick * 0.5 * get_grob_direction (s);
+ /*
+ Do set_stemend for invisible stems too, so tuplet brackets
+ have a reference point for sloping
+ */
Stem::set_stemend (s, 2 * stem_y / staff_space);
}
}
void
-Beam::set_beaming (Grob *me, Beaming_info_list const *beaming)
+Beam::set_beaming (Grob *me, Beaming_pattern const *beaming)
{
extract_grob_set (me, "stems", stems);
if (beaming_prop == SCM_EOL
|| index_get_cell (beaming_prop, d) == SCM_EOL)
{
- int b = beaming->infos_.at (i).beams_i_drul_[d];
+ int count = beaming->beamlet_count (i, d);
if (i > 0
&& i < stems.size () -1
&& Stem::is_invisible (stem))
- b = min (b, beaming->infos_.at (i).beams_i_drul_[-d]);
+ count = min (count, beaming->beamlet_count (i,-d));
+
+ if ( ((i == 0 && d == LEFT)
+ || (i == stems.size ()-1 && d == RIGHT))
+ && stems.size () > 1
+ && to_boolean (me->get_property ("clip-edges")))
+ count = 0;
- Stem::set_beaming (stem, b, d);
+ Stem::set_beaming (stem, count, d);
}
}
while (flip (&d) != LEFT);
rest -> stem -> beam -> interpolate_y_position ()
*/
-MAKE_SCHEME_CALLBACK (Beam, rest_collision_callback, 2);
+MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Beam, rest_collision_callback, 2, 1);
SCM
Beam::rest_collision_callback (SCM smob, SCM prev_offset)
{
}
ADD_INTERFACE (Beam,
- "beam-interface",
"A beam. \n\n"
"The @code{thickness} property is the weight of beams, "
"beamed-stem-shorten "
"beaming "
"break-overshoot "
- "chord-tremolo "
+ "clip-edges "
"concaveness "
"damping "
"details "
"direction "
"gap "
"gap-count "
+ "grow-direction "
"inspect-quants "
"knee "
"length-fraction "