X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsystem.cc;h=dd3a46011f9b9cba38aba9e0a9524e4c991c93d0;hb=5266aa98886211d4ac084029ce0362bb1ca5dce0;hp=6f363970ff75af4d78a6baecc347970830d9bb12;hpb=f1e0978228298d3062f957b5b773ea2574859932;p=lilypond.git diff --git a/lily/system.cc b/lily/system.cc index 6f363970ff..dd3a46011f 100644 --- a/lily/system.cc +++ b/lily/system.cc @@ -1,9 +1,20 @@ /* - system.cc -- implement System + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1996--2010 Han-Wen Nienhuys - (c) 1996--2009 Han-Wen Nienhuys + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #include "system.hh" @@ -12,10 +23,12 @@ #include "all-font-metrics.hh" #include "axis-group-interface.hh" #include "grob-array.hh" +#include "hara-kiri-group-spanner.hh" #include "international.hh" #include "lookup.hh" #include "main.hh" #include "output-def.hh" +#include "page-layout-problem.hh" #include "paper-column.hh" #include "paper-score.hh" #include "paper-system.hh" @@ -106,7 +119,7 @@ System::derived_mark () const } static void -fixup_refpoints (vector const &grobs) +fixup_refpoints (vector const &grobs) { for (vsize i = grobs.size (); i--;) grobs[i]->fixup_refpoint (); @@ -170,8 +183,14 @@ System::do_break_substitution_and_fixup_refpoints () that no duplicates are in the list. */ for (vsize i = 0; i < broken_intos_.size (); i++) { - System *child = dynamic_cast (broken_intos_[i]); + System *child = dynamic_cast (broken_intos_[i]); child->all_elements_->remove_duplicates (); + for (vsize j = 0; j < child->all_elements_->size (); j++) + { + Grob *g = child->all_elements_->grob (j); + + (void) g->get_property ("after-line-breaking"); + } } if (be_verbose_global) @@ -215,7 +234,7 @@ System::break_into_pieces (vector const &breaking) System *system = dynamic_cast (clone ()); system->rank_ = broken_intos_.size (); - vector c (breaking[i].cols_); + vector c (breaking[i].cols_); pscore_->typeset_system (system); int st = Paper_column::get_rank (c[0]); @@ -229,14 +248,14 @@ System::break_into_pieces (vector const &breaking) for (vsize j = 0; j < c.size (); j++) { c[j]->translate_axis (breaking[i].config_[j], X_AXIS); - dynamic_cast (c[j])->system_ = system; + dynamic_cast (c[j])->set_system (system); /* collect the column labels */ SCM col_labels = c[j]->get_property ("labels"); if (scm_is_pair (col_labels)) system_labels = scm_append (scm_list_2 (col_labels, system_labels)); } system->set_property ("labels", system_labels); - + set_loose_columns (system, &breaking[i]); broken_intos_.push_back (system); } @@ -254,7 +273,7 @@ System::add_column (Paper_column *p) ga = unsmob_grob_array (scm_ga); } - p->rank_ = ga->size (); + p->set_rank (ga->size ()); ga->add (p); Axis_group_interface::add_element (this, p); @@ -295,13 +314,6 @@ System::pre_processing () void System::post_processing () { - for (vsize i = 0; i < all_elements_->size (); i++) - { - Grob *g = all_elements_->grob (i); - - (void) g->get_property ("after-line-breaking"); - } - Interval iv (extent (this, Y_AXIS)); if (iv.is_empty ()) programming_error ("system with empty extent"); @@ -312,8 +324,8 @@ System::post_processing () This might seem inefficient, but Stencils are cached per grob anyway. */ - vector all_elts_sorted (all_elements_->array ()); - vector_sort (all_elts_sorted, std::less ()); + vector all_elts_sorted (all_elements_->array ()); + vector_sort (all_elts_sorted, std::less ()); uniq (all_elts_sorted); this->get_stencil (); for (vsize i = all_elts_sorted.size (); i--;) @@ -336,7 +348,6 @@ operator< (Layer_entry const &a, return a.layer_ < b.layer_; } - SCM System::get_paper_system () { @@ -351,8 +362,8 @@ System::get_paper_system () Layer_entry e; e.grob_ = all_elements_->grob (j); e.layer_ = robust_scm2int (e.grob_->get_property ("layer"), 1); - - entries.push_back (e); + + entries.push_back (e); } vector_sort (entries, std::less ()); @@ -363,7 +374,7 @@ System::get_paper_system () if (st.expr () == SCM_EOL) continue; - + Offset o; for (int a = X_AXIS; a < NO_AXES; a++) o[Axis (a)] = g->relative_coordinate (this, Axis (a)); @@ -417,25 +428,30 @@ System::get_paper_system () pl->set_property ("page-turn-penalty", right_bound->get_property ("page-turn-penalty")); Interval staff_refpoints; - extract_grob_set (this, "spaceable-staves", staves); - for (vsize i = 0; i < staves.size (); i++) - staff_refpoints.add_point (staves[i]->relative_coordinate (this, Y_AXIS)); + if (Grob *align = get_vertical_alignment ()) + { + extract_grob_set (align, "elements", staves); + for (vsize i = 0; i < staves.size (); i++) + if (staves[i]->is_live () + && Page_layout_problem::is_spaceable (staves[i])) + staff_refpoints.add_point (staves[i]->relative_coordinate (this, + Y_AXIS)); + } pl->set_property ("staff-refpoint-extent", ly_interval2scm (staff_refpoints)); - pl->set_property ("system-grob", this->self_scm ()); + pl->set_property ("system-grob", this->self_scm ()); return pl->unprotect (); } -vector +vector System::broken_col_range (Item const *left, Item const *right) const { - vector ret; + vector ret; left = left->get_column (); right = right->get_column (); - extract_grob_set (this, "columns", cols); vsize i = Paper_column::get_rank (left); @@ -447,7 +463,7 @@ System::broken_col_range (Item const *left, Item const *right) const && Paper_column::get_rank (cols[i]) < end_rank) { Paper_column *c = dynamic_cast (cols[i]); - if (Paper_column::is_breakable (c) && !c->system_) + if (Paper_column::is_breakable (c) && !c->get_system ()) ret.push_back (c); i++; } @@ -455,10 +471,9 @@ System::broken_col_range (Item const *left, Item const *right) const return ret; } - /** Return all columns, but filter out any unused columns , since they might disrupt the spacing problem. */ -vector +vector System::used_columns () const { extract_grob_set (this, "columns", ro_columns); @@ -471,7 +486,7 @@ System::used_columns () const break; } - vector columns; + vector columns; for (int i = 0; i <= last_breakable; i++) { if (Paper_column::is_used (ro_columns[i])) @@ -487,11 +502,11 @@ System::column (vsize which) const extract_grob_set (this, "columns", columns); if (which >= columns.size ()) return 0; - - return dynamic_cast (columns[which]); + + return dynamic_cast (columns[which]); } -Paper_score* +Paper_score * System::paper_score () const { return pscore_; @@ -504,14 +519,212 @@ System::get_rank () const } System * -get_root_system (Grob *me) +get_root_system (Grob *me) { Grob *system_grob = me; - + while (system_grob->get_parent (Y_AXIS)) system_grob = system_grob->get_parent (Y_AXIS); - return dynamic_cast (system_grob); + return dynamic_cast (system_grob); +} + +Grob * +System::get_vertical_alignment () +{ + extract_grob_set (this, "elements", elts); + Grob *ret = 0; + for (vsize i = 0; i < elts.size (); i++) + if (Align_interface::has_interface (elts[i])) + { + if (ret) + programming_error ("found multiple vertical alignments in this system"); + ret = elts[i]; + } + + if (!ret) + programming_error ("didn't find a vertical alignment in this system"); + return ret; +} + +// Finds the furthest staff in the given direction whose x-extent +// overlaps with the given interval. +Grob * +System::get_extremal_staff (Direction dir, Interval const &iv) +{ + Grob *align = get_vertical_alignment (); + if (!align) + return 0; + + extract_grob_set (align, "elements", elts); + vsize start = (dir == UP) ? 0 : elts.size () - 1; + vsize end = (dir == UP) ? elts.size () : VPOS; + for (vsize i = start; i != end; i += dir) + { + if (Hara_kiri_group_spanner::has_interface (elts[i])) + Hara_kiri_group_spanner::consider_suicide (elts[i]); + + Interval intersection = elts[i]->extent (this, X_AXIS); + intersection.intersect (iv); + if (elts[i]->is_live () && !intersection.is_empty ()) + return elts[i]; + } + return 0; +} + +Interval +System::pure_refpoint_extent (vsize start, vsize end) +{ + Interval ret; + Grob *alignment = get_vertical_alignment (); + if (!alignment) + return Interval (); + + extract_grob_set (alignment, "elements", staves); + vector offsets = Align_interface::get_minimum_translations (alignment, staves, Y_AXIS, true, true, start, end); + + for (vsize i = 0; i < offsets.size (); ++i) + if (Page_layout_problem::is_spaceable (staves[i])) + { + ret[UP] = offsets[i]; + break; + } + + for (vsize i = offsets.size (); i--;) + if (Page_layout_problem::is_spaceable (staves[i])) + { + ret[DOWN] = offsets[i]; + break; + } + + return ret; +} + +Interval +System::part_of_line_pure_height (vsize start, vsize end, bool begin) +{ + Grob *alignment = get_vertical_alignment (); + if (!alignment) + return Interval (); + + extract_grob_set (alignment, "elements", staves); + vector offsets = Align_interface::get_minimum_translations (alignment, staves, Y_AXIS, true, true, start, end); + + Interval ret; + for (vsize i = 0; i < staves.size (); ++i) + { + Interval iv = begin + ? Axis_group_interface::begin_of_line_pure_height (staves[i], start) + : Axis_group_interface::rest_of_line_pure_height (staves[i], start, end); + if (i < offsets.size ()) + iv.translate (offsets[i]); + ret.unite (iv); + } + + Interval other_elements = begin + ? Axis_group_interface::begin_of_line_pure_height (this, start) + : Axis_group_interface::rest_of_line_pure_height (this, start, end); + + ret.unite (other_elements); + + return ret; +} + +Interval +System::begin_of_line_pure_height (vsize start, vsize end) +{ + return part_of_line_pure_height (start, end, true); +} + +Interval +System::rest_of_line_pure_height (vsize start, vsize end) +{ + return part_of_line_pure_height (start, end, false); +} + +// This differs from Axis_group_interface::calc_pure_relevant_grobs +// because here, we are only interested in those few elements that aren't +// descended from VerticalAlignment (ie. things like RehearsalMark, BarLine). +MAKE_SCHEME_CALLBACK (System, calc_pure_relevant_grobs, 1); +SCM +System::calc_pure_relevant_grobs (SCM smob) +{ + Grob *me = unsmob_grob (smob); + + extract_grob_set (me, "elements", elts); + vector relevant_grobs; + SCM pure_relevant_p = ly_lily_module_constant ("pure-relevant?"); + + for (vsize i = 0; i < elts.size (); ++i) + { + if (!Axis_group_interface::has_interface (elts[i])) + { + if (to_boolean (scm_apply_1 (pure_relevant_p, elts[i]->self_scm (), SCM_EOL))) + relevant_grobs.push_back (elts[i]); + + if (Item *it = dynamic_cast (elts[i])) + { + Direction d = LEFT; + do + { + Item *piece = it->find_prebroken_piece (d); + if (piece && to_boolean (scm_apply_1 (pure_relevant_p, piece->self_scm (), SCM_EOL))) + relevant_grobs.push_back (piece); + } + while (flip (&d) != LEFT); + } + } + } + + SCM grobs_scm = Grob_array::make_array (); + + unsmob_grob_array (grobs_scm)->set_array (relevant_grobs); + return grobs_scm; +} + +MAKE_SCHEME_CALLBACK (System, height, 1); +SCM +System::height (SCM smob) +{ + return Axis_group_interface::height (smob); +} + +MAKE_SCHEME_CALLBACK (System, calc_pure_height, 3); +SCM +System::calc_pure_height (SCM smob, SCM start_scm, SCM end_scm) +{ + System *me = dynamic_cast (unsmob_grob (smob)); + int start = scm_to_int (start_scm); + int end = scm_to_int (end_scm); + + Interval begin = me->begin_of_line_pure_height (start, end); + Interval rest = me->rest_of_line_pure_height (start, end); + begin.unite (rest); + + return ly_interval2scm (begin); +} + +Grob* +System::get_pure_bound (Direction d, int start, int end) +{ + vector ranks = pscore_->get_break_ranks (); + vector indices = pscore_->get_break_indices (); + vector cols = pscore_->get_columns (); + + vsize target_rank = (d == LEFT ? start : end); + vector::const_iterator i = + lower_bound (ranks.begin (), ranks.end (), target_rank, std::less ()); + + if (i != ranks.end () && (*i) == target_rank) + return cols[indices[i - ranks.begin ()]]; + else + return 0; +} + +Grob* +System::get_maybe_pure_bound (Direction d, bool pure, int start, int end) +{ + return pure ? get_pure_bound (d, start, end) : get_bound (d); } ADD_INTERFACE (System, @@ -524,7 +737,5 @@ ADD_INTERFACE (System, "columns " "labels " "pure-Y-extent " - "spaceable-staves " - "skyline-distance " "skyline-horizontal-padding " - ) + );