X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftuplet-bracket.cc;h=1f313e84a93482ccb492b92d37438b2f58b58481;hb=4a964b10c411827584eb720c63cd0d6fc5b65d72;hp=bdb6ed922c011d0f1b5d416af28097dac7787046;hpb=a23ddaecd681dd516e95131544dded48e93833b0;p=lilypond.git diff --git a/lily/tuplet-bracket.cc b/lily/tuplet-bracket.cc index bdb6ed922c..1f313e84a9 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--2002 Jan Nieuwenhuizen + (c) 1997--2004 Jan Nieuwenhuizen + Han-Wen Nienhuys */ /* @@ -24,12 +25,13 @@ #include +#include "line-interface.hh" #include "beam.hh" #include "box.hh" -#include "debug.hh" +#include "warn.hh" #include "font-interface.hh" -#include "molecule.hh" -#include "paper-def.hh" +#include "stencil.hh" +#include "output-def.hh" #include "text-item.hh" #include "tuplet-bracket.hh" #include "stem.hh" @@ -44,10 +46,10 @@ static Grob* get_x_bound_grob (Grob *g, Direction my_dir) { - if (Note_column::stem_l (g) + if (Note_column::get_stem (g) && Note_column::dir (g) == my_dir) { - g = Note_column::stem_l (g); + g = Note_column::get_stem (g); } return g; } @@ -55,28 +57,34 @@ get_x_bound_grob (Grob *g, Direction my_dir) Grob* -Tuplet_bracket::parallel_beam (Grob *me, Link_array cols, bool *equally_long) +Tuplet_bracket::parallel_beam (Grob *me, Link_array const &cols, bool *equally_long) { /* ugh: code dup. */ - Grob *s1 = Note_column::stem_l (cols[0]); - Grob *s2 = Note_column::stem_l (cols.top()); + Grob *s1 = Note_column::get_stem (cols[0]); + Grob *s2 = Note_column::get_stem (cols.top ()); - Grob*b1 = s1 ? Stem::beam_l (s1) : 0; - Grob*b2 = s2 ? Stem::beam_l (s2) : 0; + Grob*b1 = s1 ? Stem::get_beam (s1) : 0; + Grob*b2 = s2 ? Stem::get_beam (s2) : 0; Spanner*sp = dynamic_cast (me); *equally_long= false; - if (! ( b1 && (b1 == b2) && !sp->broken_b() )) + if (! (b1 && (b1 == b2) && !sp->is_broken ())) return 0; Link_array beam_stems = Pointer_group_interface__extract_grobs (b1, (Grob*)0, "stems"); + if (beam_stems.size () == 0) + { + programming_error ("Beam under tuplet bracket has no stems!"); + *equally_long = 0; + return 0; + } - *equally_long = (beam_stems[0] == s1 && beam_stems.top() == s2); + *equally_long = (beam_stems[0] == s1 && beam_stems.top () == s2); return b1; } @@ -88,20 +96,33 @@ Tuplet_bracket::parallel_beam (Grob *me, Link_array cols, bool *equally_lo follow beam precisely for determining tuplet number location. */ -MAKE_SCHEME_CALLBACK (Tuplet_bracket,brew_molecule,1); +MAKE_SCHEME_CALLBACK (Tuplet_bracket,print,1); SCM -Tuplet_bracket::brew_molecule (SCM smob) +Tuplet_bracket::print (SCM smob) { Grob *me= unsmob_grob (smob); - Molecule mol; - Link_array column_arr= + Stencil mol; + Link_array columns= Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); - if (!column_arr.size ()) + if (!columns.size ()) return mol.smobbed_copy (); + + + { + SCM lp = me->get_property ("left-position"); + SCM rp = me->get_property ("right-position"); + + if (!scm_is_number (rp) || !scm_is_number (lp)) + after_line_breaking (smob); + } + + Real ly = robust_scm2double (me->get_property ("left-position"), 0); + Real ry = robust_scm2double (me->get_property ("right-position"), 0); + bool equally_long = false; - Grob * par_beam = parallel_beam (me, column_arr, &equally_long); + Grob * par_beam = parallel_beam (me, columns, &equally_long); Spanner*sp = dynamic_cast (me); @@ -111,85 +132,107 @@ Tuplet_bracket::brew_molecule (SCM smob) /* Fixme: the type of this prop is sucky. */ - SCM bracket = me->get_grob_property ("bracket-visibility"); - if (gh_boolean_p (bracket)) + SCM bracket = me->get_property ("bracket-visibility"); + if (scm_is_bool (bracket)) { - bracket_visibility = gh_scm2bool (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 numb = me->get_property ("number-visibility"); + if (scm_is_bool (numb)) { - number_visibility = gh_scm2bool (numb); + number_visibility = ly_scm2bool (numb); } else if (numb == ly_symbol2scm ("if-no-beam")) number_visibility = !par_beam; - Grob * commonx = column_arr[0]->common_refpoint (column_arr.top (),X_AXIS); - Direction dir = Directional_element_interface::get (me); + Grob * commonx = columns[0]->common_refpoint (columns.top (),X_AXIS); - Grob * lgr = get_x_bound_grob (column_arr[0], dir); - Grob * rgr = get_x_bound_grob (column_arr.top(), dir); - Real x0 = lgr->extent (commonx,X_AXIS)[LEFT]; - Real x1 = rgr->extent (commonx,X_AXIS)[RIGHT]; + /* + 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 = robust_relative_extent (lgr, commonx, X_AXIS)[LEFT]; + Real x1 = robust_relative_extent (rgr, commonx, X_AXIS)[RIGHT]; Real w = x1 -x0; - - Real ly = gh_scm2double (me->get_grob_property ("left-position")); - Real ry = gh_scm2double (me->get_grob_property ("right-position")); - SCM number = me->get_grob_property ("text"); - if (gh_string_p (number) && number_visibility) + SCM number = me->get_property ("text"); + + Output_def *pap = me->get_layout (); + Stencil num; + if (scm_is_string (number) && number_visibility) { - SCM properties = Font_interface::font_alist_chain (me); - Molecule num = Text_item::text2molecule (me, number, properties); + SCM properties = Font_interface::text_font_alist_chain (me); + SCM snum = Text_interface::interpret_markup (pap->self_scm (), properties, number); + num = *unsmob_stencil (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); + mol.add_stencil (num); } - - if (bracket_visibility) + + + /* + 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 lt = me->paper_l ()->get_var ("linethickness"); + bracket_visibility = false; + } - SCM thick = me->get_grob_property ("thickness"); - if (gh_number_p (thick)) - lt *= gh_scm2double (thick); + if (bracket_visibility) + { + Real ss = Staff_symbol_referencer::staff_space (me); + Real gap=0.; + + if (!num.extent (X_AXIS).is_empty ()) + gap = num.extent (X_AXIS).length () + 1.0; - SCM gap = me->get_grob_property ("gap"); - SCM ew = me->get_grob_property ("edge-width"); - SCM eh = me->get_grob_property ("edge-height"); - SCM sp = me->get_grob_property ("shorten-pair"); + SCM fl = me->get_property ("bracket-flare"); + SCM eh = me->get_property ("edge-height"); + SCM sp = me->get_property ("shorten-pair"); Direction d = LEFT; - Drul_array height, width, shorten; + Drul_array height, flare, shorten; do { - width[d] = height[d] = shorten[d] = 0.0; - if ( gh_pair_p (ew) ) - width[d] += gh_scm2double (index_cell (ew, d)) * d; - if ( gh_pair_p (eh) ) - height[d] += gh_scm2double (index_cell (eh, d)); - if ( gh_pair_p (sp) ) - shorten[d] += gh_scm2double (index_cell (sp, d)); + flare[d] = height[d] = shorten[d] = 0.0; + if (is_number_pair (fl)) + flare[d] += ss * scm_to_double (index_get_cell (fl, d)); + if (is_number_pair (eh)) + height[d] += - dir * ss *scm_to_double (index_get_cell (eh, d)); + if (is_number_pair (sp)) + shorten[d] += ss *scm_to_double (index_get_cell (sp, d)); } while (flip (&d) != LEFT); - Molecule brack = make_bracket (Y_AXIS, - w, ry - ly, lt, - -height[LEFT]*dir, -height[RIGHT]*dir, - gh_scm2double (gap), - width[LEFT], width[RIGHT], - shorten[LEFT], shorten[RIGHT]); - mol.add_molecule (brack); - mol.translate_axis (dir * max(height[LEFT], height[RIGHT]), Y_AXIS); + Stencil brack = make_bracket (me, Y_AXIS, + Offset (w, ry - ly), + 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); + 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); return mol.smobbed_copy (); @@ -197,45 +240,56 @@ Tuplet_bracket::brew_molecule (SCM smob) /* should move to lookup? + + TODO: this will fail for very short (shorter than the flare) + brackets. */ -Molecule -Tuplet_bracket::make_bracket (Axis protusion_axis, - Real dx, Real dy, Real thick, Real left_height, - Real right_height, Real gap, Real left_widen, - Real right_widen, Real left_shorten, Real right_shorten) +Stencil +Tuplet_bracket::make_bracket (Grob *me, // for line properties. + Axis protusion_axis, + Offset dz, + Drul_array height, + Interval gap, + Drul_array flare, + Drul_array shorten) { - Real len = Offset (dx,dy).length (); - Real gapx = dx * (gap / len); - Real gapy = dy * (gap / len); - Real lshortx = dx * (left_shorten / len); - Real lshorty = dy * (left_shorten / len); - Real rshortx = dx * (right_shorten / len); - Real rshorty = dy * (right_shorten / len); - Axis other = other_axis (protusion_axis); + Drul_array corners (Offset (0,0), dz); + + Real length = dz.length (); + Drul_array gap_corners; + - Molecule l1 = Lookup::line (thick, Offset(lshortx, lshorty), - Offset ( (dx - gapx)/2, (dy - gapy)/2 )); - - Molecule l2 = Lookup::line (thick, Offset((dx + gapx) / 2,(dy + gapy) / 2), - Offset (dx - rshortx, dy - rshorty)); - - Offset protusion; - protusion[other] = -left_widen; - protusion[protusion_axis] = left_height; - Molecule p1 = Lookup::line (thick, - Offset(lshortx, lshorty), - Offset(lshortx, lshorty) + protusion); - protusion[other] = right_widen; - protusion[protusion_axis] = right_height; - Molecule p2 = Lookup::line (thick, - Offset(dx - rshortx, dy - rshorty), - Offset(dx - rshortx, dy - rshorty) + protusion); - - Molecule m; - m.add_molecule (p1); - m.add_molecule (p2); - m.add_molecule (l1); - m.add_molecule (l2); + Axis bracket_axis = other_axis (protusion_axis); + + Drul_array straight_corners = corners; + + Direction 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); + + 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; } @@ -247,30 +301,51 @@ Tuplet_bracket::make_bracket (Axis protusion_axis, void Tuplet_bracket::calc_position_and_height (Grob*me,Real *offset, Real * dy) { - Link_array column_arr= + Link_array columns= Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); - Grob * commony = me->common_refpoint (me->get_grob_property ("note-columns"), Y_AXIS); - Grob * commonx = me->common_refpoint (me->get_grob_property ("note-columns"), X_AXIS); + SCM cols = me->get_property ("note-columns"); + Grob * commony = common_refpoint_of_list (cols, me, Y_AXIS); + Grob * commonx = common_refpoint_of_list (cols, me, X_AXIS); + + Interval staff; + if (Grob * st = Staff_symbol_referencer::get_staff_symbol (me)) + staff = st->extent (commony, Y_AXIS); - Direction dir = Directional_element_interface::get (me); + Direction dir = get_grob_direction (me); /* Use outer non-rest columns to determine slope */ int l = 0; - while (l = l && Note_column::rest_b (column_arr[r])) + int r = columns.size ()- 1; + while (r >= l && Note_column::has_rests (columns[r])) r--; if (l < r) { - *dy = column_arr[r]->extent (commony, Y_AXIS) [dir] - - column_arr[l]->extent (commony, Y_AXIS) [dir] ; + Interval rv =columns[r]->extent (commony, Y_AXIS); + Interval lv =columns[l]->extent (commony, Y_AXIS); + rv.unite (staff); + lv.unite (staff); + Real graphical_dy = rv[dir] - lv[dir]; + + 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]; + if (sign (musical_dy[UP]) != sign (musical_dy[DOWN])) + *dy = 0.0; + else if (sign (graphical_dy) != sign (musical_dy[DOWN])) + *dy = 0.0; + else + *dy = graphical_dy; } else * dy = 0; @@ -278,28 +353,28 @@ Tuplet_bracket::calc_position_and_height (Grob*me,Real *offset, Real * dy) *offset = - dir * infinity_f; - if (!column_arr.size ()) + if (!columns.size ()) return; - Grob * lgr = get_x_bound_grob (column_arr[0], dir); - Grob * rgr = get_x_bound_grob (column_arr.top(), dir); - Real x0 = lgr->extent (commonx,X_AXIS)[LEFT]; - Real x1 = rgr->extent (commonx,X_AXIS)[RIGHT]; - + Grob * lgr = get_x_bound_grob (columns[0], dir); + Grob * rgr = get_x_bound_grob (columns.top (), dir); + Real x0 = robust_relative_extent (lgr, commonx, X_AXIS)[LEFT]; + Real x1 = robust_relative_extent (rgr, commonx, X_AXIS)[RIGHT]; - /* - Slope. - */ - Real factor = column_arr.size () > 1 ? 1/ (x1 - x0) : 1.0; + /* + Slope. + */ + Real factor = columns.size () > 1 ? 1/ (x1 - x0) : 1.0; - for (int i = 0; i < column_arr.size (); i++) + for (int i = 0; i < columns.size (); i++) { - Real notey = column_arr[i]->extent (commony, Y_AXIS)[dir] - - me->relative_coordinate (commony, Y_AXIS); - - Real x = column_arr[i]->relative_coordinate (commonx, X_AXIS) - x0; + Interval note_ext =columns[i]->extent (commony, Y_AXIS); + note_ext.unite (staff); + Real notey = note_ext[dir] - me->relative_coordinate (commony, Y_AXIS); + + Real x = columns[i]->relative_coordinate (commonx, X_AXIS) - x0; Real tuplety = *dy * x * factor; if (notey * dir > (*offset + tuplety) * dir) @@ -307,16 +382,17 @@ Tuplet_bracket::calc_position_and_height (Grob*me,Real *offset, Real * dy) } // 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. + */ - if (*dy == 0) + Real ss= Staff_symbol_referencer::staff_space (me); + if (*dy == 0 && fabs (*offset) < ss * Staff_symbol_referencer::staff_radius (me)) { // quantize, then do collision check. - Real ss= Staff_symbol_referencer::staff_space (me); *offset *= 2 / ss; *offset = rint (*offset); @@ -328,22 +404,6 @@ Tuplet_bracket::calc_position_and_height (Grob*me,Real *offset, Real * dy) } -/* - use first -> last note for slope, -*/ -void -Tuplet_bracket::calc_dy (Grob*me,Real * dy) -{ - Link_array column_arr= - Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); - - /* - ugh. refps. - */ - Direction d = Directional_element_interface::get (me); - *dy = column_arr.top ()->extent (column_arr.top (), Y_AXIS) [d] - - column_arr[0]->extent (column_arr[0], Y_AXIS) [d]; -} /* @@ -354,18 +414,18 @@ SCM Tuplet_bracket::before_line_breaking (SCM smob) { Grob *me = unsmob_grob (smob); - Link_array column_arr= + Link_array columns= Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); - for (int i = column_arr.size(); i--;) + for (int i = columns.size (); i--;) { - Grob * s =Note_column::stem_l (column_arr[i]); - Grob * b = s ? Stem::beam_l (s): 0; + 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; + return SCM_UNSPECIFIED; } MAKE_SCHEME_CALLBACK (Tuplet_bracket,after_line_breaking,1); @@ -374,92 +434,95 @@ SCM Tuplet_bracket::after_line_breaking (SCM smob) { Grob * me = unsmob_grob (smob); - Link_array column_arr= + Link_array columns= Pointer_group_interface__extract_grobs (me, (Grob*)0, "note-columns"); - if (!column_arr.size ()) + if (!columns.size ()) { me->suicide (); return SCM_UNSPECIFIED; } - if (dynamic_cast (me)->broken_b ()) + if (dynamic_cast (me)->is_broken ()) { - me->warning ( "Tuplet_bracket was across linebreak. Farewell cruel world."); - me->suicide(); + me->warning (_("Killing tuplet bracket across linebreak.")); + me->suicide (); return SCM_UNSPECIFIED; } - Direction dir = Directional_element_interface::get (me); + Direction dir = get_grob_direction (me); if (!dir) { dir = Tuplet_bracket::get_default_dir (me); - Directional_element_interface::set (me, dir); + set_grob_direction (me, dir); } bool equally_long = false; - Grob * par_beam = parallel_beam (me, column_arr, &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; - if (!par_beam) + if (!par_beam + || get_grob_direction (par_beam) != dir) { 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"))); + offset = lp + dir * (0.5 + scm_to_double (me->get_property ("padding"))); dy = rp- lp; } - SCM lp = me->get_grob_property ("left-position"); - SCM rp = me->get_grob_property ("right-position"); + SCM lp = me->get_property ("left-position"); + SCM rp = me->get_property ("right-position"); - if (gh_number_p (lp) && !gh_number_p (rp)) + if (scm_is_number (lp) && !scm_is_number (rp)) { - rp = gh_double2scm (gh_scm2double (lp) + dy); + rp = scm_make_real (scm_to_double (lp) + dy); } - else if (gh_number_p (rp) && !gh_number_p (lp)) + else if (scm_is_number (rp) && !scm_is_number (lp)) { - lp = gh_double2scm (gh_scm2double (rp) - dy); + lp = scm_make_real (scm_to_double (rp) - dy); } - else if (!gh_number_p (rp) && !gh_number_p (lp)) + else if (!scm_is_number (rp) && !scm_is_number (lp)) { - lp = gh_double2scm (offset); - rp = gh_double2scm (offset +dy); + lp = scm_make_real (offset); + rp = scm_make_real (offset +dy); } - me->set_grob_property ("left-position", lp); - me->set_grob_property ("right-position", rp); + me->set_property ("left-position", lp); + me->set_property ("right-position", rp); return SCM_UNSPECIFIED; } /* - similar to slur. + similar to beam ? */ Direction Tuplet_bracket::get_default_dir (Grob*me) { - Direction d = UP; - for (SCM s = me->get_grob_property ("note-columns"); gh_pair_p (s); s = ly_cdr (s)) + Drul_array dirs (0,0); + for (SCM s = me->get_property ("note-columns"); scm_is_pair (s); s = scm_cdr (s)) { - Grob * nc = unsmob_grob (ly_car (s)); - if (Note_column::dir (nc) < 0) - { - d = DOWN; - break; - } + Grob * nc = unsmob_grob (scm_car (s)); + Direction d = Note_column::dir (nc); + if (d) + dirs[d]++; } - return d; + + return dirs[UP] >= dirs[DOWN] ? UP : DOWN; } void @@ -472,16 +535,11 @@ Tuplet_bracket::add_column (Grob*me, Item*n) } -bool -Tuplet_bracket::has_interface (Grob*me) -{ - return me->has_interface (ly_symbol2scm ("tuplet-bracket-interface")); -} ADD_INTERFACE (Tuplet_bracket,"tuplet-bracket-interface", "A bracket with a number in the middle, used for tuplets.", - "note-columns padding gap left-position right-position bracket-visibility number-visibility thickness direction"); + "note-columns bracket-flare edge-height shorten-pair padding left-position right-position bracket-visibility number-visibility thickness direction");