X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftuplet-bracket.cc;h=90edb7c94a53ce1a392b35ce792f7bdb6ed90401;hb=75eebcb49e52d296b1da3e1074e0825d2c780db4;hp=bfd22d886e77e408d5d836bba07c0b53aacba738;hpb=2c18f9324602e252bdd2a0b6f38f28f56c0e1aaf;p=lilypond.git diff --git a/lily/tuplet-bracket.cc b/lily/tuplet-bracket.cc index bfd22d886e..90edb7c94a 100644 --- a/lily/tuplet-bracket.cc +++ b/lily/tuplet-bracket.cc @@ -1,9 +1,10 @@ /* - plet-spanner.cc -- implement Tuplet_bracket + tuplet-bracket.cc -- implement Tuplet_bracket source file of the GNU LilyPond music typesetter - (c) 1997--2003 Jan Nieuwenhuizen + (c) 1997--2006 Jan Nieuwenhuizen + Han-Wen Nienhuys */ /* @@ -15,217 +16,358 @@ - There is no support for kneed brackets, or nested brackets. - number placement for parallel beams should be much more advanced: - for sloped beams some extra horizontal offset must be introduced. + for sloped beams some extra horizontal offset must be introduced. - number placement is usually done over the center note, not the - graphical center. - - */ + graphical center. +*/ -#include +/* + TODO: quantise, we don't want to collide with staff lines. + (or should we be above staff?) + todo: handle breaking elegantly. +*/ + + +#include "tuplet-bracket.hh" #include "line-interface.hh" #include "beam.hh" -#include "box.hh" #include "warn.hh" +#include "output-def.hh" #include "font-interface.hh" -#include "molecule.hh" -#include "paper-def.hh" -#include "text-item.hh" -#include "tuplet-bracket.hh" +#include "text-interface.hh" #include "stem.hh" #include "note-column.hh" -#include "group-interface.hh" +#include "pointer-group-interface.hh" #include "directional-element-interface.hh" #include "spanner.hh" #include "staff-symbol-referencer.hh" #include "lookup.hh" - -static Grob* -get_x_bound_grob (Grob *g, Direction my_dir) +static Item * +get_x_bound_item (Grob *me_grob, Direction hdir, Direction my_dir) { - if (Note_column::get_stem (g) + Spanner *me = dynamic_cast (me_grob); + Item *g = me->get_bound (hdir); + if (Note_column::has_interface (g) + && Note_column::get_stem (g) && Note_column::dir (g) == my_dir) - { - g = Note_column::get_stem (g); - } + g = Note_column::get_stem (g); + return g; } +void +flatten_number_pair_property (Grob *me, + Direction xdir, SCM sym) +{ + Drul_array zero (0, 0); + Drul_array pair = robust_scm2drul (me->internal_get_property (sym), zero); + pair[xdir] = 0.0; + + me->internal_set_property (sym, ly_interval2scm (pair)); +} -Grob* -Tuplet_bracket::parallel_beam (Grob *me, Link_array const &cols, bool *equally_long) + +Grob * +Tuplet_bracket::parallel_beam (Grob *me_grob, Link_array const &cols, bool *equally_long) { - /* - ugh: code dup. - */ - Grob *s1 = Note_column::get_stem (cols[0]); - Grob *s2 = Note_column::get_stem (cols.top()); + Spanner *me = dynamic_cast (me_grob); - Grob*b1 = s1 ? Stem::get_beam (s1) : 0; - Grob*b2 = s2 ? Stem::get_beam (s2) : 0; - - Spanner*sp = dynamic_cast (me); + if (me->get_bound (LEFT)->break_status_dir () + || me->get_bound (RIGHT)->break_status_dir ()) + return 0; - *equally_long= false; - if (! (b1 && (b1 == b2) && !sp->broken_b())) - return 0; + Drul_array stems (Note_column::get_stem (cols[0]), + Note_column::get_stem (cols.top ())); + + if (dynamic_cast (stems[RIGHT])->get_column () + != me->get_bound (RIGHT)->get_column()) + return 0; - Link_array beam_stems = Pointer_group_interface__extract_grobs - (b1, (Grob*)0, "stems"); + Drul_array beams; + Direction d = LEFT; + do { + beams[d] = stems[d] ? Stem::get_beam (stems[d]) : 0; + } while (flip (&d) != LEFT); + + *equally_long = false; + if (! (beams[LEFT] && (beams[LEFT] == beams[RIGHT]) && !me->is_broken ())) + return 0; - if (beam_stems.size() == 0) + extract_grob_set (beams[LEFT], "stems", beam_stems); + if (beam_stems.size () == 0) { - programming_error ("Beam under tuplet bracket has no stems!"); + programming_error ("beam under tuplet bracket has no stems"); *equally_long = 0; return 0; } + + *equally_long = (beam_stems[0] == stems[LEFT] && beam_stems.top () == stems[RIGHT]); + return beams[LEFT]; +} + + +MAKE_SCHEME_CALLBACK(Tuplet_bracket,calc_connect_to_neighbors,1); +SCM +Tuplet_bracket::calc_connect_to_neighbors (SCM smob) +{ + Spanner *me = unsmob_spanner (smob); + + Direction dir = get_grob_direction (me); + Drul_array bounds (get_x_bound_item (me, LEFT, dir), + get_x_bound_item (me, RIGHT, dir)); - *equally_long = (beam_stems[0] == s1 && beam_stems.top() == s2); - return b1; + Drul_array connect_to_other (false, false); + Direction d = LEFT; + do + { + Direction break_dir = bounds[d]->break_status_dir (); + + Spanner *orig_spanner = dynamic_cast (me->original ()); + + int neighbor_idx = me->get_break_index () - break_dir; + if (break_dir + && d == RIGHT + && neighbor_idx < orig_spanner->broken_intos_.size ()) + { + Grob *neighbor = orig_spanner->broken_intos_[neighbor_idx]; + + /* trigger possible suicide*/ + (void) neighbor->get_property ("positions"); + } + + connect_to_other[d] + = (break_dir + && (neighbor_idx < orig_spanner->broken_intos_.size () + && neighbor_idx >= 0) + && orig_spanner->broken_intos_[neighbor_idx]->is_live ()); + } + while (flip (&d) != LEFT); + + + if (connect_to_other[LEFT] || connect_to_other[RIGHT]) + return scm_cons (scm_from_bool (connect_to_other[LEFT]), + scm_from_bool (connect_to_other[RIGHT])); + + return SCM_EOL; } +Grob* +Tuplet_bracket::get_common_x (Spanner *me) +{ + extract_grob_set (me, "note-columns", columns); -/* - TODO: + Grob * commonx = common_refpoint_of_array (columns, me, X_AXIS); + commonx = commonx->common_refpoint (me->get_bound (LEFT), X_AXIS); + commonx = commonx->common_refpoint (me->get_bound (RIGHT), X_AXIS); - in the case that there is no bracket, but there is a (single) beam, - follow beam precisely for determining tuplet number location. + return commonx; +} - */ -MAKE_SCHEME_CALLBACK (Tuplet_bracket,brew_molecule,1); +MAKE_SCHEME_CALLBACK(Tuplet_bracket,calc_control_points,1) SCM -Tuplet_bracket::brew_molecule (SCM smob) +Tuplet_bracket::calc_control_points (SCM smob) { - Grob *me= unsmob_grob (smob); - Molecule mol; - Link_array columns= - Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); + Spanner *me = unsmob_spanner (smob); - if (!columns.size ()) - return mol.smobbed_copy (); + extract_grob_set (me, "note-columns", columns); - + Drul_array positions + = ly_scm2realdrul (me->get_property ("positions")); + + Grob *commonx = get_common_x (me); + Direction dir = get_grob_direction (me); + + Drul_array bounds; + bounds[LEFT] = get_x_bound_item (me, LEFT, dir); + bounds[RIGHT] = get_x_bound_item (me, RIGHT, dir); - { - SCM lp = me->get_grob_property ("left-position"); - SCM rp = me->get_grob_property ("right-position"); + Drul_array connect_to_other = + robust_scm2booldrul (me->get_property ("connect-to-neighbor"), + Drul_array (false, false)); + + + Interval x_span; + Direction d = LEFT; + do + { + x_span[d] = robust_relative_extent (bounds[d], commonx, X_AXIS)[d]; + + if (connect_to_other[d]) + { + Interval overshoot (robust_scm2drul (me->get_property ("break-overshoot"), + Interval (-0.5, 0.0))); + + if (d == RIGHT) + x_span[d] += d * overshoot[d]; + else + x_span[d] = robust_relative_extent (bounds[d], commonx, X_AXIS)[RIGHT] + - overshoot[LEFT]; + } + else if (d == RIGHT + && (columns.is_empty () + || (bounds[d]->get_column () + != dynamic_cast (columns.top ())->get_column ()))) + { + /* + TODO: make padding tunable? + */ + Real padding = 1.0; + + if (bounds[d]->break_status_dir ()) + padding = 0.0; + + x_span[d] = robust_relative_extent (bounds[d], commonx, X_AXIS) [LEFT] - padding; + } + } + while (flip (&d) != LEFT); - if (!gh_number_p (rp) || !gh_number_p (lp)) - after_line_breaking (smob); - } - Real ly = robust_scm2double (me->get_grob_property ("left-position"), 0); - Real ry = robust_scm2double (me->get_grob_property ("right-position"), 0); - bool equally_long = false; - Grob * par_beam = parallel_beam (me, columns, &equally_long); + x_span -= me->get_bound (LEFT)->relative_coordinate (commonx, X_AXIS); + return scm_list_2 (ly_offset2scm (Offset (x_span[LEFT], positions[LEFT])), + ly_offset2scm (Offset (x_span[RIGHT], positions[RIGHT]))); +} - Spanner*sp = dynamic_cast (me); +/* + TODO: - bool bracket_visibility = !(par_beam && equally_long); - bool number_visibility = true; + in the case that there is no bracket, but there is a (single) beam, + follow beam precisely for determining tuplet number location. +*/ +MAKE_SCHEME_CALLBACK (Tuplet_bracket, print, 1); +SCM +Tuplet_bracket::print (SCM smob) +{ + Spanner *me = unsmob_spanner (smob); + Stencil mol; + extract_grob_set (me, "note-columns", columns); + bool equally_long = false; + Grob *par_beam = parallel_beam (me, columns, &equally_long); + + bool bracket_visibility = !(par_beam && equally_long); /* Fixme: the type of this prop is sucky. - */ - SCM bracket = me->get_grob_property ("bracket-visibility"); - if (gh_boolean_p (bracket)) - { - bracket_visibility = gh_scm2bool (bracket); - } + */ + SCM bracket = me->get_property ("bracket-visibility"); + if (scm_is_bool (bracket)) + bracket_visibility = ly_scm2bool (bracket); else if (bracket == ly_symbol2scm ("if-no-beam")) bracket_visibility = !par_beam; - SCM numb = me->get_grob_property ("number-visibility"); - if (gh_boolean_p (numb)) + + SCM cpoints = me->get_property ("control-points"); + if (scm_ilength (cpoints) < 2) { - number_visibility = gh_scm2bool (numb); + me->suicide (); + return SCM_EOL; } - else if (numb == ly_symbol2scm ("if-no-beam")) - number_visibility = !par_beam; - - Grob * commonx = columns[0]->common_refpoint (columns.top (),X_AXIS); - - /* - Tuplet brackets are normally not broken, but we shouldn't crash if - they are. - */ - commonx = commonx->common_refpoint (sp->get_bound(LEFT), X_AXIS); - commonx = commonx->common_refpoint (sp->get_bound(RIGHT), X_AXIS); - Direction dir = get_grob_direction (me); - - Grob * lgr = get_x_bound_grob (columns[0], dir); - Grob * rgr = get_x_bound_grob (columns.top(), dir); - Real x0 = lgr->extent (commonx,X_AXIS)[LEFT]; - Real x1 = rgr->extent (commonx,X_AXIS)[RIGHT]; - - Real w = x1 -x0; + Drul_array points; + points[LEFT] = ly_scm2offset (scm_car (cpoints)); + points[RIGHT] = ly_scm2offset (scm_cadr (cpoints)); - SCM number = me->get_grob_property ("text"); + Interval x_span (points[LEFT][X_AXIS], points[RIGHT][X_AXIS]); + Drul_array positions (points[LEFT][Y_AXIS], points[RIGHT][Y_AXIS]); - Paper_def *pap = me->get_paper (); - if (gh_string_p (number) && number_visibility) - { - SCM properties = Font_interface::font_alist_chain (me); - SCM snum = Text_item::interpret_markup (pap->self_scm (), properties, number); - Molecule num = *unsmob_molecule (snum); - num.align_to (X_AXIS, CENTER); - num.translate_axis (w/2, X_AXIS); - num.align_to (Y_AXIS, CENTER); - - num.translate_axis ((ry-ly)/2, Y_AXIS); - - mol.add_molecule (num); - } + Output_def *pap = me->layout (); + + Grob *number_grob = unsmob_grob (me->get_object ("tuplet-number")); + /* No bracket when it would be smaller than the number. - - TODO: should use GAP in calculation too. - */ - if (bracket_visibility && number_visibility - && mol.extent (X_AXIS).length () > w) + */ + Real gap = 0.; + if (bracket_visibility && number_grob) { - bracket_visibility = false; + Interval ext = number_grob->extent (number_grob, X_AXIS); + if (!ext.is_empty ()) + { + gap = ext.length () + 1.0; + + if (0.75 * x_span.length () < gap) + bracket_visibility = false; + } } - - if (bracket_visibility) + + if (bracket_visibility) { - SCM gap = me->get_grob_property ("gap"); - - SCM fl = me->get_grob_property ("bracket-flare"); - SCM eh = me->get_grob_property ("edge-height"); - SCM sp = me->get_grob_property ("shorten-pair"); + Drul_array zero (0, 0); + Real ss = Staff_symbol_referencer::staff_space (me); + Drul_array height + = robust_scm2drul (me->get_property ("edge-height"), zero); + Drul_array flare + = robust_scm2drul (me->get_property ("bracket-flare"), zero); + Drul_array shorten + = robust_scm2drul (me->get_property ("shorten-pair"), zero); + Drul_array edge_stencils; + + Direction dir = get_grob_direction (me); + scale_drul (&height, -ss * dir); + scale_drul (&flare, ss); + scale_drul (&shorten, ss); + + Drul_array connect_to_other = + robust_scm2booldrul (me->get_property ("connect-to-neighbor"), + Drul_array (false, false)); + Direction d = LEFT; - Drul_array height, flare, shorten; - do { - flare[d] = height[d] = shorten[d] = 0.0; - if (is_number_pair (fl)) - flare[d] += gh_scm2double (index_get_cell (fl, d)); - if (is_number_pair (eh)) - height[d] += gh_scm2double (index_get_cell (eh, d)) * - dir; - if (is_number_pair (sp)) - shorten[d] += gh_scm2double (index_get_cell (sp, d)); - } + do + { + if (connect_to_other[d]) + { + height[d] = 0.0; + flare[d] = 0.0; + shorten[d] = 0.0; + + SCM edge_text = me->get_property ("edge-text"); + + if (scm_is_pair (edge_text)) + { + SCM properties = Font_interface::text_font_alist_chain (me); + SCM text = index_get_cell (edge_text, d); + if (Text_interface::is_markup (text)) + { + SCM t = Text_interface::interpret_markup (pap->self_scm (), + properties, text); + + Stencil *edge_text = unsmob_stencil (t); + edge_text->translate_axis (x_span[d] - x_span[LEFT], X_AXIS); + edge_stencils[d] = *edge_text; + } + } + } + } while (flip (&d) != LEFT); - - Molecule brack = make_bracket (me, Y_AXIS, - Offset (w, ry - ly), - height, - gh_scm2double (gap), - flare, - shorten); - mol.add_molecule (brack); + + Stencil brack = make_bracket (me, Y_AXIS, + points[RIGHT] - points[LEFT], + height, + /* + 0.1 = more space at right due to italics + TODO: use italic correction of font. + */ + Interval (-0.5, 0.5) * gap + 0.1, + flare, shorten); + + do + { + if (!edge_stencils[d].is_empty ()) + brack.add_stencil (edge_stencils[d]); + } + while (flip (&d) != LEFT); + + mol.add_stencil (brack); } - - mol.translate_axis (ly, Y_AXIS); - mol.translate_axis (x0 - sp->get_bound (LEFT)->relative_coordinate (commonx,X_AXIS),X_AXIS); + + mol.translate (points[LEFT]); return mol.smobbed_copy (); } @@ -234,95 +376,131 @@ Tuplet_bracket::brew_molecule (SCM smob) TODO: this will fail for very short (shorter than the flare) brackets. - */ -Molecule -Tuplet_bracket::make_bracket (Grob *me, // for line properties. +*/ +Stencil +Tuplet_bracket::make_bracket (Grob *me, // for line properties. Axis protusion_axis, Offset dz, Drul_array height, - Real gap, + Interval gap, Drul_array flare, Drul_array shorten) { - Drul_array corners (Offset(0,0), dz); - + Drul_array corners (Offset (0, 0), dz); + Real length = dz.length (); Drul_array gap_corners; - Axis bracket_axis = other_axis (protusion_axis); Drul_array straight_corners = corners; Direction d = LEFT; - do { - straight_corners[d] += - d * shorten[d] /length * dz; - gap_corners[d] = (dz * 0.5) + d * gap / length * dz; - } while (flip (&d) != LEFT); + do + straight_corners[d] += -d * shorten[d] / length * dz; + while (flip (&d) != LEFT) + ; + + if (gap.is_empty ()) + gap = Interval (0, 0); + do + gap_corners[d] = (dz * 0.5) + gap[d] / length * dz; + while (flip (&d) != LEFT) + ; Drul_array flare_corners = straight_corners; - do { - flare_corners[d][bracket_axis] = straight_corners[d][bracket_axis]; - flare_corners[d][protusion_axis] += height[d]; - straight_corners[d][bracket_axis] += - d * flare[d]; - } while (flip (&d) != LEFT); + do + { + flare_corners[d][bracket_axis] = straight_corners[d][bracket_axis]; + flare_corners[d][protusion_axis] += height[d]; + straight_corners[d][bracket_axis] += -d * flare[d]; + } + while (flip (&d) != LEFT); - Molecule m; - do { - m.add_molecule (Line_interface::line (me, straight_corners[d], - gap_corners[d])); - - m.add_molecule (Line_interface::line (me, straight_corners[d], - flare_corners[d])); - } while (flip (&d) != LEFT); + Stencil m; + do + { + m.add_stencil (Line_interface::line (me, straight_corners[d], + gap_corners[d])); + + m.add_stencil (Line_interface::line (me, straight_corners[d], + flare_corners[d])); + } + while (flip (&d) != LEFT); - return m; + return m; } +void +Tuplet_bracket::get_bounds (Grob *me, Grob **left, Grob **right) +{ + extract_grob_set (me, "note-columns", columns); + int l = 0; + while (l < columns.size () && Note_column::has_rests (columns[l])) + l++; + + int r = columns.size ()- 1; + while (r >= l && Note_column::has_rests (columns[r])) + r--; + + *left = *right = 0; + + if (l <= r) + { + *left = columns[l]; + *right = columns[r]; + } +} /* use first -> last note for slope, and then correct for disturbing notes in between. */ void -Tuplet_bracket::calc_position_and_height (Grob*me,Real *offset, Real * dy) +Tuplet_bracket::calc_position_and_height (Grob *me_grob, Real *offset, Real *dy) { - Link_array columns= - Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); + Spanner *me = dynamic_cast (me_grob); + extract_grob_set (me, "note-columns", columns); + extract_grob_set (me, "tuplets", tuplets); - SCM cols = me->get_grob_property ("note-columns"); - Grob * commony = common_refpoint_of_list (cols, me, Y_AXIS); - Grob * commonx = common_refpoint_of_list (cols, me, X_AXIS); + Grob *commony = common_refpoint_of_array (columns, me, Y_AXIS); + commony = common_refpoint_of_array (tuplets, commony, Y_AXIS); + if (Grob *st = Staff_symbol_referencer::get_staff_symbol (me)) + commony = st->common_refpoint (commony, Y_AXIS); - Interval staff; + Grob *commonx = get_common_x (me); + commonx = common_refpoint_of_array (tuplets, commonx, Y_AXIS); - if (Grob * st = Staff_symbol_referencer::get_staff_symbol (me)) - staff = st->extent (commony, Y_AXIS); + Interval staff; + if (Grob *st = Staff_symbol_referencer::get_staff_symbol (me)) + { + Real pad = robust_scm2double (me->get_property ("staff-padding"), -1.0); + if (pad >= 0.0) + { + staff = st->extent (commony, Y_AXIS); + staff.widen (pad); + } + } Direction dir = get_grob_direction (me); /* Use outer non-rest columns to determine slope - */ - int l = 0; - while (l = l && Note_column::rest_b (columns[r])) - r--; - - if (l < r) + */ + Grob *left_col = 0; + Grob *right_col = 0; + get_bounds (me, &left_col, &right_col); + if (left_col && right_col) { - Interval rv =columns[r]->extent (commony, Y_AXIS); - Interval lv =columns[l]->extent (commony, Y_AXIS); + Interval rv = right_col->extent (commony, Y_AXIS); + Interval lv = left_col->extent (commony, Y_AXIS); rv.unite (staff); lv.unite (staff); - Real graphical_dy = rv[dir] - lv[dir]; + Real graphical_dy = rv[dir] - lv[dir]; + + Slice ls = Note_column::head_positions_interval (left_col); + Slice rs = Note_column::head_positions_interval (right_col); - Slice ls = Note_column::head_positions_interval (columns[l]); - Slice rs = Note_column::head_positions_interval (columns[r]); - Interval musical_dy; musical_dy[UP] = rs[UP] - ls[UP]; musical_dy[DOWN] = rs[DOWN] - ls[DOWN]; @@ -334,199 +512,212 @@ Tuplet_bracket::calc_position_and_height (Grob*me,Real *offset, Real * dy) *dy = graphical_dy; } else - * dy = 0; - + *dy = 0; - *offset = - dir * infinity_f; + *offset = -dir * infinity_f; - if (!columns.size ()) - return; + Item *lgr = get_x_bound_item (me, LEFT, dir); + Item *rgr = get_x_bound_item (me, RIGHT, dir); + Real x0 = robust_relative_extent (lgr, commonx, X_AXIS)[LEFT]; + Real x1 = robust_relative_extent (rgr, commonx, X_AXIS)[RIGHT]; + Array points; + points.push (Offset (x0 - x0, staff[dir])); + points.push (Offset (x1 - x0, staff[dir])); - - Grob * lgr = get_x_bound_grob (columns[0], dir); - Grob * rgr = get_x_bound_grob (columns.top(), dir); - Real x0 = lgr->extent (commonx,X_AXIS)[LEFT]; - Real x1 = rgr->extent (commonx,X_AXIS)[RIGHT]; + for (int i = 0; i < columns.size (); i++) + { + Interval note_ext = columns[i]->extent (commony, Y_AXIS); + Real notey = note_ext[dir] - me->relative_coordinate (commony, Y_AXIS); + Real x = columns[i]->relative_coordinate (commonx, X_AXIS) - x0; + points.push (Offset (x, notey)); + } /* - Slope. + This is a slight hack. We compute two encompass points from the + bbox of the smaller tuplets. + + We assume that the smaller bracket is 1.0 space high. */ - Real factor = columns.size () > 1 ? 1/ (x1 - x0) : 1.0; - - for (int i = 0; i < columns.size (); i++) + Real ss = Staff_symbol_referencer::staff_space (me); + for (int i = 0; i < tuplets.size (); i++) { - Interval note_ext =columns[i]->extent (commony, Y_AXIS); - note_ext.unite (staff); - Real notey = note_ext[dir] - me->relative_coordinate (commony, Y_AXIS); + Interval tuplet_x (tuplets[i]->extent (commonx, X_AXIS)); + Interval tuplet_y (tuplets[i]->extent (commony, Y_AXIS)); + + Direction d = LEFT; + Drul_array positions = ly_scm2realdrul (tuplets[i]->get_property ("positions")); + - Real x = columns[i]->relative_coordinate (commonx, X_AXIS) - x0; - Real tuplety = *dy * x * factor; + Real other_dy = positions[RIGHT] - positions[LEFT]; + + do + { + Real y + = tuplet_y.linear_combination (d * sign (other_dy)); + +#if 0 + /* + Let's not take padding into account for nested tuplets. + the edges can come very close to the stems, likewise for + nested tuplets? + */ + Drul_array my_height + = robust_scm2drul (me->get_property ("edge-height"), + Interval (0, 0)); + if (dynamic_cast (tuplets[i])->get_bound (d) + == me->get_bound (d)) + y += dir * my_height[d]; +#endif + + points.push (Offset (tuplet_x[d] - x0, y)); + } + while (flip (&d) != LEFT); + } - if (notey * dir > (*offset + tuplety) * dir) - *offset = notey - tuplety; + Real factor = (columns.size () > 1) ? 1 / (x1 - x0) : 1.0; + for (int i = 0; i < points.size (); i++) + { + Real x = points[i][X_AXIS]; + Real tuplety = (*dy) * x * factor; + + if (points[i][Y_AXIS] * dir > (*offset + tuplety) * dir) + *offset = points[i][Y_AXIS] - tuplety; } - // padding - *offset += gh_scm2double (me->get_grob_property ("padding")) *dir; + *offset += scm_to_double (me->get_property ("padding")) * dir; - /* horizontal brackets should not collide with staff lines. - - */ - Real ss= Staff_symbol_referencer::staff_space (me); - if (*dy == 0 && fabs (*offset) < ss * Staff_symbol_referencer::staff_radius (me)) + + Kind of pointless since we put them outside the staff anyway, but + let's leave code for the future when possibly allow them to move + into the staff once again. + */ + if (*dy == 0 + && fabs (*offset) < ss * Staff_symbol_referencer::staff_radius (me)) { // quantize, then do collision check. *offset *= 2 / ss; - + *offset = rint (*offset); if (Staff_symbol_referencer::on_staffline (me, (int) rint (*offset))) *offset += dir; *offset *= 0.5 * ss; } - } - -/* - We depend on the beams if there are any. - */ -MAKE_SCHEME_CALLBACK (Tuplet_bracket,before_line_breaking,1); +MAKE_SCHEME_CALLBACK (Tuplet_bracket, calc_direction, 1); SCM -Tuplet_bracket::before_line_breaking (SCM smob) +Tuplet_bracket::calc_direction (SCM smob) { Grob *me = unsmob_grob (smob); - Link_array columns= - Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); - - - for (int i = columns.size(); i--;) - { - Grob * s =Note_column::get_stem (columns[i]); - Grob * b = s ? Stem::get_beam (s): 0; - if (b) - me->add_dependency (b); - } - return SCM_UNDEFINED; + Direction dir = Tuplet_bracket::get_default_dir (me); + return scm_from_int (dir); } -MAKE_SCHEME_CALLBACK (Tuplet_bracket,after_line_breaking,1); - +MAKE_SCHEME_CALLBACK (Tuplet_bracket, calc_positions, 1); SCM -Tuplet_bracket::after_line_breaking (SCM smob) +Tuplet_bracket::calc_positions (SCM smob) { - Grob * me = unsmob_grob (smob); - Link_array columns= - Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); + Grob *me = unsmob_grob (smob); + extract_grob_set (me, "note-columns", columns); - if (!columns.size ()) - { - me->suicide (); - return SCM_UNSPECIFIED; - } - if (dynamic_cast (me)->broken_b ()) - { - me->warning (_("Killing tuplet bracket across linebreak.")); - me->suicide(); - return SCM_UNSPECIFIED; - } - Direction dir = get_grob_direction (me); - if (!dir) - { - dir = Tuplet_bracket::get_default_dir (me); - set_grob_direction (me, dir); - } - bool equally_long = false; - Grob * par_beam = parallel_beam (me, columns, &equally_long); + Grob *par_beam = parallel_beam (me, columns, &equally_long); /* We follow the beam only if there is one, and we are next to it. - */ - Real dy, offset; + */ + Real dy = 0.0; + Real offset = 0.0; if (!par_beam || get_grob_direction (par_beam) != dir) - { - calc_position_and_height (me,&offset,&dy); - } + calc_position_and_height (me, &offset, &dy); else { - SCM ps = par_beam->get_grob_property ("positions"); + SCM ps = par_beam->get_property ("positions"); - Real lp = gh_scm2double (gh_car (ps)); - Real rp = gh_scm2double (gh_cdr (ps)); + Real lp = scm_to_double (scm_car (ps)); + Real rp = scm_to_double (scm_cdr (ps)); /* duh. magic. - */ - offset = lp + dir * (0.5 + gh_scm2double (me->get_grob_property ("padding"))); - dy = rp- lp; + */ + offset = lp + dir * (0.5 + scm_to_double (me->get_property ("padding"))); + dy = rp - lp; } + + SCM x = scm_cons (scm_from_double (offset), + scm_from_double (offset + dy)); - SCM lp = me->get_grob_property ("left-position"); - SCM rp = me->get_grob_property ("right-position"); - - if (gh_number_p (lp) && !gh_number_p (rp)) - { - rp = gh_double2scm (gh_scm2double (lp) + dy); - } - else if (gh_number_p (rp) && !gh_number_p (lp)) - { - lp = gh_double2scm (gh_scm2double (rp) - dy); - } - else if (!gh_number_p (rp) && !gh_number_p (lp)) - { - lp = gh_double2scm (offset); - rp = gh_double2scm (offset +dy); - } - - me->set_grob_property ("left-position", lp); - me->set_grob_property ("right-position", rp); - - return SCM_UNSPECIFIED; + return x; } - /* - similar to beam ? - */ + similar to beam ? +*/ Direction -Tuplet_bracket::get_default_dir (Grob*me) +Tuplet_bracket::get_default_dir (Grob *me) { - Drul_array dirs(0,0); - for (SCM s = me->get_grob_property ("note-columns"); gh_pair_p (s); s = ly_cdr (s)) + Drul_array dirs (0, 0); + extract_grob_set (me, "note-columns", columns); + for (int i = 0; i < columns.size (); i++) { - Grob * nc = unsmob_grob (ly_car (s)); - - - dirs[Note_column::dir (nc)]++; + Grob *nc = columns[i]; + Direction d = Note_column::dir (nc); + if (d) + dirs[d]++; } return dirs[UP] >= dirs[DOWN] ? UP : DOWN; } void -Tuplet_bracket::add_column (Grob*me, Item*n) +Tuplet_bracket::add_column (Grob *me, Item *n) { Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-columns"), n); - me->add_dependency (n); - - add_bound_item (dynamic_cast (me), n); + add_bound_item (dynamic_cast (me), n); } +void +Tuplet_bracket::add_tuplet_bracket (Grob *me, Grob *bracket) +{ + Pointer_group_interface::add_grob (me, ly_symbol2scm ("tuplets"), bracket); +} +ADD_INTERFACE (Tuplet_bracket, + "tuplet-bracket-interface", + "A bracket with a number in the middle, used for tuplets. " + "When the bracket spans a line break, the value of " + "@code{break-overshoot} determines how far it extends " + "beyond the staff. " + "At a line break, the markups in the @code{edge-text} are printed " + "at the edges. ", + + + /* properties */ + "bracket-flare " + "bracket-visibility " + "break-overshoot " + "connect-to-neighbor " + "control-points " + "direction " + "edge-height " + "edge-text " + "gap " + "positions " + "note-columns " + "padding " + "tuplet-number " + "shorten-pair " + "staff-padding " + "thickness " + "tuplets "); - - -ADD_INTERFACE (Tuplet_bracket,"tuplet-bracket-interface", - "A bracket with a number in the middle, used for tuplets.", - "note-columns bracket-flare edge-height shorten-pair padding gap left-position right-position bracket-visibility number-visibility thickness direction"); -