X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fspanner.cc;h=476f75d8c26e8da85be44c334e3ca6fd18641149;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=c7836160b0c772002d07302eaabe63528cd661a1;hpb=49cae4a7b28489a51e8c97dc33fc64cf83ea25e7;p=lilypond.git diff --git a/lily/spanner.cc b/lily/spanner.cc index c7836160b0..476f75d8c2 100644 --- a/lily/spanner.cc +++ b/lily/spanner.cc @@ -3,12 +3,9 @@ source file of the GNU LilyPond music typesetter - (c) 1996--2006 Han-Wen Nienhuys + (c) 1996--2008 Han-Wen Nienhuys */ -#include "spanner.hh" - - #include "pointer-group-interface.hh" #include "libc-extension.hh" #include "paper-column.hh" @@ -17,11 +14,12 @@ #include "stencil.hh" #include "system.hh" #include "warn.hh" +#include "moment.hh" Grob * -Spanner::clone (int count) const +Spanner::clone () const { - return new Spanner (*this, count); + return new Spanner (*this); } void @@ -34,22 +32,6 @@ Spanner::do_break_processing () if (!left || !right) return; - /* - Check if our parent in X-direction spans equally wide - or wider than we do. - */ - for (int a = X_AXIS; a < NO_AXES; a++) - { - if (Spanner *parent = dynamic_cast (get_parent ((Axis)a))) - { - if (!parent->spanned_rank_iv ().superset (this->spanned_rank_iv ())) - { - programming_error (to_string ("Spanner `%s' is not fully contained in parent spanner `%s'.", - name ().c_str (), - parent->name ().c_str ())); - } - } - } if (get_system () || is_broken ()) return; @@ -67,7 +49,7 @@ Spanner::do_break_processing () programming_error ("no broken bound"); else if (bound->get_system ()) { - Spanner *span = dynamic_cast (clone (broken_intos_.size ())); + Spanner *span = dynamic_cast (clone ()); span->set_bound (LEFT, bound); span->set_bound (RIGHT, bound); @@ -81,11 +63,26 @@ Spanner::do_break_processing () else { System *root = get_root_system (this); - Link_array__Item_ break_points = root->broken_col_range (left, right); + vector break_points = root->broken_col_range (left, right); break_points.insert (break_points.begin () + 0, left); break_points.push_back (right); + Slice parent_rank_slice; + parent_rank_slice.set_full (); + + /* + Check if our parent in X-direction spans equally wide + or wider than we do. + */ + for (int a = X_AXIS; a < NO_AXES; a++) + { + if (Spanner *parent = dynamic_cast (get_parent ((Axis)a))) + { + parent_rank_slice.intersect (parent->spanned_rank_interval ()); + } + } + for (vsize i = 1; i < break_points.size (); i++) { Drul_array bounds; @@ -105,7 +102,18 @@ Spanner::do_break_processing () continue; } - Spanner *span = dynamic_cast (clone (broken_intos_.size ())); + bool ok = parent_rank_slice.contains (bounds[LEFT]->get_column ()->get_rank ()); + ok = ok && parent_rank_slice.contains (bounds[RIGHT]->get_column ()->get_rank ()); + + if (!ok) + { + programming_error (to_string ("Spanner `%s' is not fully contained in parent spanner. Ignoring orphaned part", + name ().c_str ())); + continue; + } + + + Spanner *span = dynamic_cast (clone ()); span->set_bound (LEFT, bounds[LEFT]); span->set_bound (RIGHT, bounds[RIGHT]); @@ -124,7 +132,7 @@ Spanner::do_break_processing () } } } - vector_sort (broken_intos_, Spanner::compare); + vector_sort (broken_intos_, Spanner::less); for (vsize i = broken_intos_.size (); i--;) broken_intos_[i]->break_index_ = i; } @@ -148,7 +156,7 @@ Spanner::set_my_columns () } Interval_t -Spanner::spanned_rank_iv () +Spanner::spanned_rank_interval () const { Interval_t iv (0, 0); @@ -159,6 +167,14 @@ Spanner::spanned_rank_iv () return iv; } +Interval_t +Spanner::spanned_time () const +{ + return spanned_time_interval (spanned_drul_[LEFT], + spanned_drul_[RIGHT]); +} + + Item * Spanner::get_bound (Direction d) const { @@ -175,7 +191,7 @@ Spanner::set_bound (Direction d, Grob *s) Item *i = dynamic_cast (s); if (!i) { - programming_error ("must have Item for spanner bound"); + programming_error ("must have Item for spanner bound of " + name()); return; } @@ -199,16 +215,16 @@ Spanner::set_bound (Direction d, Grob *s) Pointer_group_interface::add_grob (i, ly_symbol2scm ("bounded-by-me"), this); } -Spanner::Spanner (SCM s, Object_key const *key) - : Grob (s, key) +Spanner::Spanner (SCM s) + : Grob (s) { break_index_ = 0; spanned_drul_[LEFT] = 0; spanned_drul_[RIGHT] = 0; } -Spanner::Spanner (Spanner const &s, int count) - : Grob (s, count) +Spanner::Spanner (Spanner const &s) + : Grob (s) { spanned_drul_[LEFT] = spanned_drul_[RIGHT] = 0; } @@ -238,18 +254,39 @@ Spanner::get_system () const Grob * Spanner::find_broken_piece (System *l) const { - vsize idx = binary_search (broken_intos_, (Spanner *)l, Spanner::compare); + vsize idx = binary_search (broken_intos_, (Spanner *)l, Spanner::less); if (idx != VPOS) return broken_intos_ [idx]; return 0; } +Spanner * +Spanner::broken_neighbor (Direction d) const +{ + if (!original_) + return 0; + + vsize k = broken_spanner_index (this); + Spanner *orig = dynamic_cast (original_); + int j = int (k) + d; + if (j < 0 || vsize (j) >= orig->broken_intos_.size ()) + return 0; + + return orig->broken_intos_[j]; +} + int Spanner::compare (Spanner *const &p1, Spanner *const &p2) { return p1->get_system ()->get_rank () - p2->get_system ()->get_rank (); } +bool +Spanner::less (Spanner *const &a, Spanner *const &b) +{ + return a->get_system ()->get_rank () < b->get_system ()->get_rank (); +} + bool Spanner::is_broken () const { @@ -316,15 +353,39 @@ SCM Spanner::set_spacing_rods (SCM smob) { Grob *me = unsmob_grob (smob); - - Rod r; - Spanner *sp = dynamic_cast (me); - r.item_drul_[LEFT] = sp->get_bound (LEFT); - r.item_drul_[RIGHT] = sp->get_bound (RIGHT); - r.distance_ - = robust_scm2double (me->get_property ("minimum-length"), 0); - - r.add_to_cols (); + SCM num_length = me->get_property ("minimum-length"); + if (scm_is_number (num_length)) + { + Rod r; + Spanner *sp = dynamic_cast (me); + System *root = get_root_system (me); + Drul_array bounds (sp->get_bound (LEFT), + sp->get_bound (RIGHT)); + if (!bounds[LEFT] || !bounds[RIGHT]) + return SCM_UNSPECIFIED; + + vector cols (root->broken_col_range (bounds[LEFT]->get_column (), + bounds[RIGHT]->get_column ())); + + if (cols.size ()) + { + Rod r ; + r.item_drul_[LEFT] = sp->get_bound (LEFT); + r.item_drul_[RIGHT] = cols[0]->find_prebroken_piece (LEFT); + r.distance_ = robust_scm2double (num_length, 0); + r.add_to_cols (); + + r.item_drul_[LEFT] = cols.back ()->find_prebroken_piece (RIGHT); + r.item_drul_[RIGHT] = sp->get_bound (RIGHT); + r.add_to_cols (); + } + + r.distance_ = robust_scm2double (num_length, 0); + r.item_drul_[LEFT] = sp->get_bound (LEFT); + r.item_drul_[RIGHT] = sp->get_bound (RIGHT); + r.add_to_cols (); + } + return SCM_UNSPECIFIED; } @@ -332,10 +393,11 @@ Spanner::set_spacing_rods (SCM smob) Return I such that SP == SP->ORIGINAL ()->BROKEN_INTOS_[I]. */ int -broken_spanner_index (Spanner *sp) +broken_spanner_index (Spanner const *sp) { Spanner *parent = dynamic_cast (sp->original ()); - return find (parent->broken_intos_, sp) - parent->broken_intos_.begin (); + /* ugh: casting */ + return find (parent->broken_intos_, (Spanner*) sp) - parent->broken_intos_.begin (); } Spanner * @@ -344,11 +406,33 @@ unsmob_spanner (SCM s) return dynamic_cast (unsmob_grob (s)); } +MAKE_SCHEME_CALLBACK (Spanner, bounds_width, 1); +SCM +Spanner::bounds_width (SCM grob) +{ + Spanner *me = unsmob_spanner (grob); + + + Grob *common = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT), X_AXIS); + + Interval w (me->get_bound (LEFT)->relative_coordinate (common, X_AXIS), + me->get_bound (RIGHT)->relative_coordinate (common, X_AXIS)); + + w -= me->relative_coordinate (common, X_AXIS); + + return ly_interval2scm (w); +} + ADD_INTERFACE (Spanner, - "spanner-interface", - "Some objects are horizontally spanned between objects. For\n" - "example, slur, beam, tie, etc. These grobs form a subtype called\n" - "@code{Spanner}. All spanners have two span-points (these must be\n" - "@code{Item} objects), one on the left and one on the right. The left bound is\n" - "also the X-reference point of the spanner.\n", - "minimum-length"); + "Some objects are horizontally spanned between objects. For" + " example, slurs, beams, ties, etc. These grobs form a subtype" + " called @code{Spanner}. All spanners have two span points" + " (these must be @code{Item} objects), one on the left and one" + " on the right. The left bound is also the X@tie{}reference" + " point of the spanner.", + + /* properties */ + "minimum-length " + "to-barline " + ); +