X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fspanner.cc;h=8db59844f85a4926162661577778370563049d7d;hb=545092a25d8ca41dc90b87482474b3719f7130a9;hp=0c11f2833ab4be321755bd9115772e84c3600e13;hpb=675533acf58b9b863adc830f175696735ca6dc95;p=lilypond.git diff --git a/lily/spanner.cc b/lily/spanner.cc index 0c11f2833a..8db59844f8 100644 --- a/lily/spanner.cc +++ b/lily/spanner.cc @@ -3,50 +3,55 @@ source file of the GNU LilyPond music typesetter - (c) 1996--2002 Han-Wen Nienhuys + (c) 1996--2005 Han-Wen Nienhuys */ -#include -#include - -#include "warn.hh" #include "spanner.hh" + + +#include "pointer-group-interface.hh" +#include "libc-extension.hh" #include "paper-column.hh" -#include "paper-score.hh" -#include "molecule.hh" -#include "paper-outputter.hh" #include "paper-column.hh" +#include "paper-score.hh" +#include "stencil.hh" #include "system.hh" -#include "group-interface.hh" +#include "warn.hh" + +Grob * +Spanner::clone (int count) const +{ + return new Spanner (*this, count); +} void Spanner::do_break_processing () { //break_into_pieces - Item * left = spanned_drul_[LEFT]; - Item * right = spanned_drul_[RIGHT]; + Item *left = spanned_drul_[LEFT]; + Item *right = spanned_drul_[RIGHT]; 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 ++) + */ + for (int a = X_AXIS; a < NO_AXES; a++) { - if (Spanner* parent = dynamic_cast (get_parent ((Axis)a))) + if (Spanner *parent = dynamic_cast (get_parent ((Axis)a))) { - if (!parent->spanned_rank_iv ().contains_b (this->spanned_rank_iv ())) + if (!parent->spanned_rank_iv ().superset (this->spanned_rank_iv ())) { - programming_error (to_str ("Spanner `%s' is not fully contained in parent spanner `%s'.", - name ().ch_C (), - parent->name ().ch_C ())); + programming_error (to_string ("Spanner `%s' is not fully contained in parent spanner `%s'.", + name ().to_str0 (), + parent->name ().to_str0 ())); } } } - - if (line_l () || broken_b ()) + + if (get_system () || is_broken ()) return; if (left == right) @@ -57,99 +62,104 @@ Spanner::do_break_processing () Direction d = LEFT; do { - Item* bound = left->find_prebroken_piece (d); + Item *bound = left->find_prebroken_piece (d); if (!bound) programming_error ("no broken bound"); - else if (bound->line_l ()) + else if (bound->get_system ()) { - Spanner * span_p = dynamic_cast (clone ()); - span_p->set_bound (LEFT, bound); - span_p->set_bound (RIGHT, bound); + Spanner *span = dynamic_cast (clone (broken_intos_.size ())); + span->set_bound (LEFT, bound); + span->set_bound (RIGHT, bound); - assert (span_p->line_l ()); - span_p->line_l ()->typeset_grob (span_p); - broken_into_l_arr_.push (span_p); + assert (span->get_system ()); + span->get_system ()->typeset_grob (span); + broken_intos_.push (span); } } - while ((flip (&d))!= LEFT); + while ((flip (&d)) != LEFT); } else { - Link_array break_points = pscore_l_->line_l_->broken_col_range (left,right); + System *root = get_root_system (this); + Link_array break_points = root->broken_col_range (left, right); - break_points.insert (left,0); + break_points.insert (left, 0); break_points.push (right); - for (int i=1; i < break_points.size (); i++) + for (int i = 1; i < break_points.size (); i++) { - Drul_array bounds; - bounds[LEFT] = break_points[i-1]; + Drul_array bounds; + bounds[LEFT] = break_points[i - 1]; bounds[RIGHT] = break_points[i]; Direction d = LEFT; do { - if (!bounds[d]->line_l ()) + if (!bounds[d]->get_system ()) bounds[d] = bounds[d]->find_prebroken_piece (- d); } - while ((flip (&d))!= LEFT); + while ((flip (&d)) != LEFT); - if (!bounds[LEFT] || ! bounds[RIGHT]) + if (!bounds[LEFT] || ! bounds[RIGHT]) { programming_error ("bounds of this piece aren't breakable. "); - continue; + continue; } - Spanner *span_p = dynamic_cast (clone ()); - span_p->set_bound (LEFT,bounds[LEFT]); - span_p->set_bound (RIGHT,bounds[RIGHT]); + Spanner *span = dynamic_cast (clone (broken_intos_.size ())); + span->set_bound (LEFT, bounds[LEFT]); + span->set_bound (RIGHT, bounds[RIGHT]); + + if (!bounds[LEFT]->get_system () - if (!bounds[LEFT]->line_l () - - || !bounds[RIGHT]->line_l () - || bounds[LEFT]->line_l () != bounds[RIGHT]->line_l ()) + || !bounds[RIGHT]->get_system () + || bounds[LEFT]->get_system () != bounds[RIGHT]->get_system ()) { programming_error ("bounds of spanner are invalid"); - span_p->suicide (); + span->suicide (); } else { - bounds[LEFT]->line_l ()->typeset_grob (span_p); - broken_into_l_arr_.push (span_p); + bounds[LEFT]->get_system ()->typeset_grob (span); + broken_intos_.push (span); } } } - broken_into_l_arr_.sort (Spanner::compare); + broken_intos_.sort (Spanner::compare); + for (int i = broken_intos_.size ();i--;) + broken_intos_[i]->break_index_ = i; +} + +int +Spanner::get_break_index () const +{ + return break_index_; } void Spanner::set_my_columns () { Direction i = (Direction) LEFT; - do + do { - if (!spanned_drul_[i]->line_l ()) - set_bound (i,spanned_drul_[i]->find_prebroken_piece ((Direction) -i)); - } + if (!spanned_drul_[i]->get_system ()) + set_bound (i, spanned_drul_[i]->find_prebroken_piece ((Direction) -i)); + } while (flip (&i) != LEFT); -} +} Interval_t Spanner::spanned_rank_iv () { Interval_t iv (0, 0); - if (spanned_drul_[LEFT]) - { - iv[LEFT] = Paper_column::rank_i (spanned_drul_[LEFT]->column_l ()); - } - if (spanned_drul_[RIGHT]) - { - iv[RIGHT] = Paper_column::rank_i (spanned_drul_[RIGHT]->column_l ()); - } + if (spanned_drul_[LEFT] && spanned_drul_[LEFT]->get_column ()) + iv[LEFT] = spanned_drul_[LEFT]->get_column ()->get_rank (); + if (spanned_drul_[RIGHT] && spanned_drul_[RIGHT]->get_column ()) + iv[RIGHT] = spanned_drul_[RIGHT]->get_column ()->get_rank (); return iv; } -Item* +Item * Spanner::get_bound (Direction d) const { return spanned_drul_ [d]; @@ -160,24 +170,22 @@ Spanner::get_bound (Direction d) const X-axis parent of THIS to S. */ void -Spanner::set_bound (Direction d, Grob*s) +Spanner::set_bound (Direction d, Grob *s) { - Item * i = dynamic_cast (s); + Item *i = dynamic_cast (s); if (!i) { - programming_error ("Must have Item for spanner bound."); + programming_error ("must have Item for spanner bound"); return; } - - spanned_drul_[d] =i; + + spanned_drul_[d] = i; /** We check for System to prevent the column -> line_of_score -> column -> line_of_score -> etc situation */ - if (d== LEFT && !dynamic_cast (this)) - { - set_parent (i, X_AXIS); - } + if (d == LEFT && !dynamic_cast (this)) + set_parent (i, X_AXIS); /* Signal that this column needs to be kept alive. They need to be @@ -185,78 +193,71 @@ Spanner::set_bound (Direction d, Grob*s) [maybe we should try keeping all columns alive?, and perhaps inherit position from their (non-)musical brother] - + */ - if (dynamic_cast (i)) - { - Pointer_group_interface::add_grob (i, ly_symbol2scm ("bounded-by-me"), this); - } + if (dynamic_cast (i)) + Pointer_group_interface::add_grob (i, ly_symbol2scm ("bounded-by-me"), this); } -Spanner::Spanner (SCM s) - : Grob (s) +Spanner::Spanner (SCM s, Object_key const *key) + : Grob (s, key) { - spanned_drul_[LEFT]=0; - spanned_drul_[RIGHT]=0; - Group_interface::add_thing (this, ly_symbol2scm ("interfaces"), ly_symbol2scm ("spanner-interface")); - - + break_index_ = 0; + spanned_drul_[LEFT] = 0; + spanned_drul_[RIGHT] = 0; } -Spanner::Spanner (Spanner const &s) - : Grob (s) +Spanner::Spanner (Spanner const &s, int count) + : Grob (s, count) { - spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0; + spanned_drul_[LEFT] = spanned_drul_[RIGHT] = 0; } Real Spanner::spanner_length () const -{ +{ Real l = spanned_drul_[LEFT]->relative_coordinate (0, X_AXIS); Real r = spanned_drul_[RIGHT]->relative_coordinate (0, X_AXIS); - if (r< l) + if (r < l) programming_error ("spanner with negative length"); - return r-l; + return r - l; } System * -Spanner::line_l () const +Spanner::get_system () const { if (!spanned_drul_[LEFT] || !spanned_drul_[RIGHT]) return 0; - if (spanned_drul_[LEFT]->line_l () != spanned_drul_[RIGHT]->line_l ()) + if (spanned_drul_[LEFT]->get_system () != spanned_drul_[RIGHT]->get_system ()) return 0; - return spanned_drul_[LEFT]->line_l (); + return spanned_drul_[LEFT]->get_system (); } - -Grob* -Spanner::find_broken_piece (System*l) const +Grob * +Spanner::find_broken_piece (System *l) const { - int idx = binsearch_link_array (broken_into_l_arr_, (Spanner*)l, Spanner::compare); - + int idx = binsearch_links (broken_intos_, (Spanner *)l, Spanner::compare); + if (idx < 0) return 0; else - return broken_into_l_arr_ [idx]; + return broken_intos_ [idx]; } - int -Spanner::compare (Spanner * const &p1, Spanner * const &p2) +Spanner::compare (Spanner *const &p1, Spanner *const &p2) { - return p1->line_l ()->rank_i_ - p2->line_l ()->rank_i_; + return p1->get_system ()->get_rank () - p2->get_system ()->get_rank (); } bool -Spanner::broken_b () const +Spanner::is_broken () const { - return broken_into_l_arr_.size (); + return broken_intos_.size (); } - /* If this is a broken spanner, return the amount the left end is to be shifted horizontally so that the spanner starts after the initial @@ -266,14 +267,13 @@ Spanner::broken_b () const Real Spanner::get_broken_left_end_align () const { - Paper_column *sc = dynamic_cast (spanned_drul_[LEFT]->column_l ()); + Paper_column *sc = dynamic_cast (spanned_drul_[LEFT]->get_column ()); // Relevant only if left span point is first column in line - if (sc != NULL && - sc->break_status_dir () == RIGHT) + if (sc != NULL + && sc->break_status_dir () == RIGHT) { /* - We used to do a full search for the Break_align_item. But that doesn't make a difference, since the Paper_column is likely to contain only a Break_align_item. @@ -284,35 +284,28 @@ Spanner::get_broken_left_end_align () const return 0.0; } -SCM -Spanner::do_derived_mark () +void +Spanner::derived_mark () const { - /* - We'd be fucked if this is called before spanned_drul_[] is inited. */ - if (status_c_ == ORPHAN) - return SCM_EOL; - Direction d = LEFT; do if (spanned_drul_[d]) scm_gc_mark (spanned_drul_[d]->self_scm ()); - while (flip (&d) != LEFT); + while (flip (&d) != LEFT) + ; - for (int i= broken_into_l_arr_.size () ; i--;) - scm_gc_mark (broken_into_l_arr_[i]->self_scm ()); - - return SCM_EOL; + for (int i = broken_intos_.size (); i--;) + scm_gc_mark (broken_intos_[i]->self_scm ()); } - /* Set left or right bound to IT. Warning: caller should ensure that subsequent calls put in ITems that are left-to-right ordered. - */ +*/ void -add_bound_item (Spanner* sp, Grob*it) +add_bound_item (Spanner *sp, Grob *it) { if (!sp->get_bound (LEFT)) sp->set_bound (LEFT, it); @@ -320,39 +313,44 @@ add_bound_item (Spanner* sp, Grob*it) sp->set_bound (RIGHT, it); } - -MAKE_SCHEME_CALLBACK (Spanner,set_spacing_rods,1); +MAKE_SCHEME_CALLBACK (Spanner, set_spacing_rods, 1); SCM Spanner::set_spacing_rods (SCM smob) { - Grob*me = unsmob_grob (smob); + Grob *me = unsmob_grob (smob); Rod r; - Spanner*sp = dynamic_cast (me); - r.item_l_drul_[LEFT] = sp->get_bound (LEFT); - r.item_l_drul_[RIGHT] = sp->get_bound (RIGHT); - r.distance_f_ = - gh_scm2double (me->get_grob_property ("minimum-length")) - * 1.0; + 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 (); return SCM_UNSPECIFIED; } +/* + Return I such that SP == SP->ORIGINAL ()->BROKEN_INTOS_[I]. +*/ +int +broken_spanner_index (Spanner *sp) +{ + Spanner *parent = dynamic_cast (sp->original ()); + return parent->broken_intos_.find_index (sp); +} -Spanner* -unsmob_spanner (SCM s ) +Spanner * +unsmob_spanner (SCM s) { - return dynamic_cast (unsmob_grob (s)); + return dynamic_cast (unsmob_grob (s)); } -ADD_INTERFACE(Spanner, - "spanner-interface", - " -Other grobs have a shape that depends on the horizontal spacing. For -example, slur, beam, tie, etc. These grobs form a subtype called -@code{Spanner}. All spanners have two span-points (these must be -@code{Item}s), one on the left and one on the right. The left bound is -also the X-reference point of the spanner. -", - "minimum-length"); +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");