*/
#include "slur.hh"
-#include "scalar.hh"
+
#include "lookup.hh"
#include "paper-def.hh"
#include "note-column.hh"
#include "debug.hh"
#include "box.hh"
#include "bezier.hh"
-#include "encompass-info.hh"
#include "main.hh"
+#include "cross-staff.hh"
Slur::Slur ()
{
return Item::left_right_compare (n1, n2);
}
+
+Offset
+Slur::encompass_offset (Note_column const* col) const
+{
+ Offset o;
+ Stem* stem_l = col->stem_l_;
+ if (!stem_l)
+ {
+ warning (_ ("Slur over rest?"));
+ o[X_AXIS] = col->hpos_f ();
+ o[Y_AXIS] = col->extent (Y_AXIS)[dir_];
+ return o;
+ }
+
+ o[X_AXIS] = stem_l->hpos_f ();
+
+ /*
+ Simply set x to middle of notehead
+ */
+
+ o[X_AXIS] -= 0.5 * stem_l->dir_ * col->extent (X_AXIS).length ();
+
+ if ((stem_l->dir_ == dir_)
+ && !stem_l->extent (Y_AXIS).empty_b ())
+ {
+ o[Y_AXIS] = stem_l->extent (Y_AXIS)[dir_];
+ }
+ else
+ {
+ o[Y_AXIS] = col->extent (Y_AXIS)[dir_];
+ }
+
+ /*
+ leave a gap: slur mustn't touch head/stem
+ */
+ o[Y_AXIS] += dir_ * paper_l ()->get_var ("slur_y_free");
+ o[Y_AXIS] += calc_interstaff_dist (stem_l, this);
+ return o;
+}
+
+/*
+ ARGRARGRARGRARGAR!
+
+ Fixme
+ */
void
Slur::do_post_processing ()
{
}
while (flip (&d) != LEFT);
- int interstaff_i = 0;
- for (int i = 0; i < encompass_arr_.size (); i++)
+ int cross_count = cross_staff_count ();
+ bool interstaff_b = (0 < cross_count) && (cross_count < encompass_arr_.size ());
+
+ Drul_array<Offset> info_drul;
+ Drul_array<Real> interstaff_interval;
+
+ do
{
- Encompass_info info (encompass_arr_[i], dir_, this);
- if (info.interstaff_f_)
- {
- interstaff_i++;
- }
+ info_drul[d] = encompass_offset (encompass_arr_.boundary (d, 0));
+ interstaff_interval[d] = calc_interstaff_dist (encompass_arr_.boundary (d,0),
+ this);
}
- bool interstaff_b = interstaff_i && (interstaff_i < encompass_arr_.size ());
-
- Drul_array<Encompass_info> info_drul;
- info_drul[LEFT] = Encompass_info (encompass_arr_[0], dir_, this);
- info_drul[RIGHT] = Encompass_info (encompass_arr_.top (), dir_, this);
- Real interstaff_f = info_drul[RIGHT].interstaff_f_
- - info_drul[LEFT].interstaff_f_;
+ while (flip (&d) != LEFT);
+
+ Real interstaff_f = interstaff_interval[RIGHT] - interstaff_interval[LEFT];
if (fix_broken_b)
{
Direction d = (encompass_arr_.top () != spanned_drul_[RIGHT]) ?
RIGHT : LEFT;
- dy_f_drul_[d] = info_drul[d].o_[Y_AXIS];
+ dy_f_drul_[d] = info_drul[d][Y_AXIS];
if (!interstaff_b)
{
- dy_f_drul_[d] -= info_drul[d].interstaff_f_;
-
- if (interstaff_i)
+ dy_f_drul_[d] -= interstaff_interval[d];
+ if (cross_count) // interstaff_i ?
{
- dy_f_drul_[LEFT] += info_drul[d].interstaff_f_;
- dy_f_drul_[RIGHT] += info_drul[d].interstaff_f_;
+ dy_f_drul_[LEFT] += interstaff_interval[d];
+ dy_f_drul_[RIGHT] += interstaff_interval[d];
}
}
}
Catch and correct some ugly cases
*/
- Real height_damp_f;
- Real slope_damp_f;
- Real snap_f;
- Real snap_max_dy_f;
+
- if (!interstaff_b)
- {
- height_damp_f = paper_l ()->get_var ("slur_height_damping");
- slope_damp_f = paper_l ()->get_var ("slur_slope_damping");
- snap_f = paper_l ()->get_var ("slur_snap_to_stem");
- snap_max_dy_f = paper_l ()->get_var ("slur_snap_max_slope_change");
- }
- else
- {
- height_damp_f = paper_l ()->get_var ("slur_interstaff_height_damping");
- slope_damp_f = paper_l ()->get_var ("slur_interstaff_slope_damping");
- snap_f = paper_l ()->get_var ("slur_interstaff_snap_to_stem");
- snap_max_dy_f = paper_l ()->get_var ("slur_interstaff_snap_max_slope_change");
- }
+ String infix = interstaff_b ? "interstaff_" : "";
+ Real height_damp_f = paper_l ()->get_var ("slur_"+infix +"height_damping");
+ Real slope_damp_f = paper_l ()->get_var ("slur_"+infix +"slope_damping");
+ Real snap_f = paper_l ()->get_var ("slur_"+infix +"snap_to_stem");
+ Real snap_max_dy_f = paper_l ()->get_var ("slur_"+infix +"snap_max_slope_change");
if (!fix_broken_b)
dy_f_drul_[RIGHT] += interstaff_f;
snapped_b_drul[LEFT] = snapped_b_drul[RIGHT] = false;
do
{
- if ((note_column_drul[d] == spanned_drul_[d])
- && (note_column_drul[d]->stem_l_)
- && (note_column_drul[d]->stem_l_->dir_ == dir_)
- && (abs (note_column_drul[d]->stem_l_->extent (Y_AXIS)[dir_]
- - dy_f_drul_[d] + (d == LEFT ? 0 : interstaff_f))
- <= snap_f))
+ Note_column * nc = note_column_drul[d];
+ if (nc == spanned_drul_[d]
+ && nc->stem_l_
+ && nc->stem_l_->dir_ == dir_
+ && abs (nc->stem_l_->extent (Y_AXIS)[dir_]
+ - dy_f_drul_[d] + (d == LEFT ? 0 : interstaff_f))
+ <= snap_f)
{
/*
prepare to attach to stem-end
*/
- Stem* stem_l = note_column_drul[d]->stem_l_;
- snapx_f_drul[d] = stem_l->hpos_f ()
+ snapx_f_drul[d] = nc->stem_l_->hpos_f ()
- spanned_drul_[d]->relative_coordinate (0, X_AXIS);
- snapy_f_drul[d] = stem_l->extent (Y_AXIS)[dir_];
- snapy_f_drul[d] += info_drul[d].interstaff_f_;
- snapy_f_drul[d] += dir_ * 2 * y_gap_f;
+
+ snapy_f_drul[d] = nc->stem_l_->extent (Y_AXIS)[dir_]
+ + interstaff_interval[d]
+ + dir_ * 2 * y_gap_f;
+
snapped_b_drul[d] = true;
}
}
*/
if (!fix_broken_b)
dy_f += interstaff_f;
+
+
+ /*
+ (sigh)
+
+ More refactoring could be done.
+ */
+ Real maxsnap = abs (dy_f * snap_max_dy_f);
if (snapped_b_drul[LEFT] && snapped_b_drul[RIGHT]
&& ((sign (snapy_f_drul[RIGHT] - snapy_f_drul[LEFT]) == sign (dy_f)))
&& (!dy_f || (abs (snapy_f_drul[RIGHT] - snapy_f_drul[LEFT] - dy_f)
- < abs (dy_f * snap_max_dy_f))))
+ < maxsnap)))
{
- do
- {
- dy_f_drul_[d] = snapy_f_drul[d];
- dx_f_drul_[d] = snapx_f_drul[d];
- }
- while (flip (&d) != LEFT);
-
+ dy_f_drul_ = snapy_f_drul;
+ dx_f_drul_ = snapx_f_drul;
}
- else if (snapped_b_drul[LEFT]
- && ((sign (dy_f_drul_[RIGHT] - snapy_f_drul[LEFT]) == sign (dy_f)))
- && (!dy_f || (abs (dy_f_drul_[RIGHT] - snapy_f_drul[LEFT] - dy_f)
- < abs (dy_f * snap_max_dy_f))))
- {
- Direction d = LEFT;
- dy_f_drul_[d] = snapy_f_drul[d];
- dx_f_drul_[d] = snapx_f_drul[d];
- }
- else if (snapped_b_drul[RIGHT]
- && ((sign (snapy_f_drul[RIGHT] - dy_f_drul_[LEFT]) == sign (dy_f)))
- && (!dy_f || (abs (snapy_f_drul[RIGHT] - dy_f_drul_[LEFT] - dy_f)
- < abs (dy_f * snap_max_dy_f))))
+ else
+ do
+ {
+ Direction od = (Direction)-d;
+ if (snapped_b_drul[d]
+ && d * sign (snapy_f_drul[d] - dy_f_drul_[od]) == sign (dy_f)
+ && (!dy_f || (abs (snapy_f_drul[d] - dy_f_drul_[od] - d * dy_f)
+ < maxsnap)))
+ {
+ dy_f_drul_[d] = snapy_f_drul[d];
+ dx_f_drul_[d] = snapx_f_drul[d];
+ }
+ }
+ while (flip (&d) != LEFT);
+}
+
+
+int
+Slur::cross_staff_count ()const
+{
+ int k=0;
+
+ for (int i = 0; i < encompass_arr_.size (); i++)
{
- Direction d = RIGHT;
- dy_f_drul_[d] = snapy_f_drul[d];
- dx_f_drul_[d] = snapx_f_drul[d];
+ if (calc_interstaff_dist (encompass_arr_[i], this))
+ k++;
}
+ return k;
}
+
Array<Offset>
Slur::get_encompass_offset_arr () const
{
offset_arr.push (Offset (0, dy_f_drul_[RIGHT]));
return offset_arr;
#endif
-
- int interstaff_i = 0;
- for (int i = 0; i < encompass_arr_.size (); i++)
- {
- Encompass_info info (encompass_arr_[i], dir_, this);
- if (info.interstaff_f_)
- {
- interstaff_i++;
- }
- }
- bool interstaff_b = interstaff_i && (interstaff_i < encompass_arr_.size ());
Offset origin (relative_coordinate (0, X_AXIS), 0);
int last = encompass_arr_.size () - 2;
offset_arr.push (Offset (dx_f_drul_[LEFT], dy_f_drul_[LEFT]));
+
/*
left is broken edge
*/
+
+ int cross_count = cross_staff_count ();
+ bool cross_b = cross_count && cross_count < encompass_arr_.size ();
if (encompass_arr_[0] != spanned_drul_[LEFT])
{
first--;
- Encompass_info left_info (encompass_arr_[0], dir_, this);
- if (interstaff_b)
- offset_arr[0][Y_AXIS] += left_info.interstaff_f_;
+ Real is = calc_interstaff_dist (encompass_arr_[0], this);
+ if (cross_b)
+ offset_arr[0][Y_AXIS] += is;
}
/*
for (int i = first; i <= last; i++)
{
- Encompass_info info (encompass_arr_[i], dir_, this);
- offset_arr.push (info.o_ - origin);
+ Offset o (encompass_offset (encompass_arr_[i]));
+ offset_arr.push (o - origin);
}
offset_arr.push (Offset (do_width ().length () + dx_f_drul_[RIGHT],