X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Faxis-group-interface.cc;h=1b937985eeee2aab63444c47401f2a49e9a59af7;hb=0d13da15da86d830bc2ae00da6cfc38b99653d6d;hp=07ed23f64ff025f26e4e5464d9078694b8f3fad8;hpb=1507a38c6737015098dc7ec9b311da1b51eec4b5;p=lilypond.git diff --git a/lily/axis-group-interface.cc b/lily/axis-group-interface.cc index 07ed23f64f..1b937985ee 100644 --- a/lily/axis-group-interface.cc +++ b/lily/axis-group-interface.cc @@ -1,27 +1,44 @@ /* - axis-group-interface.cc -- implement Axis_group_interface + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 2000--2012 Han-Wen Nienhuys - (c) 2000--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 "axis-group-interface.hh" #include "align-interface.hh" #include "directional-element-interface.hh" -#include "pointer-group-interface.hh" #include "grob-array.hh" #include "hara-kiri-group-spanner.hh" #include "international.hh" #include "lookup.hh" #include "paper-column.hh" #include "paper-score.hh" +#include "pointer-group-interface.hh" #include "separation-item.hh" #include "skyline-pair.hh" +#include "staff-grouper-interface.hh" +#include "stem.hh" #include "stencil.hh" #include "system.hh" #include "warn.hh" +#include "unpure-pure-container.hh" + +static bool +pure_staff_priority_less (Grob *const &g1, Grob *const &g2); void Axis_group_interface::add_element (Grob *me, Grob *e) @@ -35,12 +52,12 @@ Axis_group_interface::add_element (Grob *me, Grob *e) Axis a = (Axis) scm_to_int (scm_car (ax)); if (!e->get_parent (a)) - e->set_parent (me, a); + e->set_parent (me, a); e->set_object ((a == X_AXIS) - ? ly_symbol2scm ("axis-group-parent-X") - : ly_symbol2scm ("axis-group-parent-Y"), - me->self_scm ()); + ? ly_symbol2scm ("axis-group-parent-X") + : ly_symbol2scm ("axis-group-parent-Y"), + me->self_scm ()); } /* must be ordered, because Align_interface also uses @@ -57,45 +74,109 @@ Axis_group_interface::has_axis (Grob *me, Axis a) } Interval -Axis_group_interface::relative_group_extent (vector const &elts, - Grob *common, Axis a) +Axis_group_interface::relative_group_extent (vector const &elts, + Grob *common, Axis a) +{ + return relative_maybe_bound_group_extent (elts, common, a, false); +} + +Interval +Axis_group_interface::relative_maybe_bound_group_extent (vector const &elts, + Grob *common, Axis a, bool bound) { Interval r; for (vsize i = 0; i < elts.size (); i++) { Grob *se = elts[i]; if (!to_boolean (se->get_property ("cross-staff"))) - { - Interval dims = se->extent (common, a); - if (!dims.is_empty ()) - r.unite (dims); - } + { + Interval dims = (bound && has_interface (se) + ? generic_bound_extent (se, common, a) + : se->extent (common, a)); + if (!dims.is_empty ()) + r.unite (dims); + } } return r; } Interval -Axis_group_interface::cached_pure_height (Grob *me, int start, int end) +Axis_group_interface::generic_bound_extent (Grob *me, Grob *common, Axis a) { - SCM adjacent_pure_heights = me->get_property ("adjacent-pure-heights"); + /* trigger the callback to do skyline-spacing on the children */ + if (a == Y_AXIS) + (void) me->get_property ("vertical-skylines"); + + extract_grob_set (me, "elements", elts); + vector new_elts; + + SCM interfaces = me->get_property ("bound-alignment-interfaces"); + + for (vsize i = 0; i < elts.size (); i++) + for (SCM l = interfaces; scm_is_pair (l); l = scm_cdr (l)) + if (elts[i]->internal_has_interface (scm_car (l))) + new_elts.push_back (elts[i]); - if (!scm_is_pair (adjacent_pure_heights) - || !scm_is_vector (scm_cdr (adjacent_pure_heights))) - return Interval (0, 0); + if (!new_elts.size ()) + return robust_relative_extent (me, common, a); - return combine_pure_heights (me, scm_cdr (adjacent_pure_heights), start, end); + if (!common) + common = common_refpoint_of_array (new_elts, me, a); + + return relative_maybe_bound_group_extent (new_elts, common, a, true); } Interval -Axis_group_interface::begin_of_line_pure_height (Grob *me, int start) +Axis_group_interface::sum_partial_pure_heights (Grob *me, int start, int end) { + Interval iv = begin_of_line_pure_height (me, start); + iv.unite (rest_of_line_pure_height (me, start, end)); + + return iv; +} + +Interval +Axis_group_interface::part_of_line_pure_height (Grob *me, bool begin, int start, int end) +{ + Spanner *sp = dynamic_cast (me); + SCM cache_symbol = begin + ? ly_symbol2scm ("begin-of-line-pure-height") + : ly_symbol2scm ("rest-of-line-pure-height"); + SCM cached = sp->get_cached_pure_property (cache_symbol, start, end); + if (scm_is_pair (cached)) + return robust_scm2interval (cached, Interval (0, 0)); + SCM adjacent_pure_heights = me->get_property ("adjacent-pure-heights"); + Interval ret; + + if (!scm_is_pair (adjacent_pure_heights)) + ret = Interval (0, 0); + else + { + SCM these_pure_heights = begin + ? scm_car (adjacent_pure_heights) + : scm_cdr (adjacent_pure_heights); + + if (scm_is_vector (these_pure_heights)) + ret = combine_pure_heights (me, these_pure_heights, start, end); + else + ret = Interval (0, 0); + } + + sp->cache_pure_property (cache_symbol, start, end, ly_interval2scm (ret)); + return ret; +} - if (!scm_is_pair (adjacent_pure_heights) - || !scm_is_vector (scm_car (adjacent_pure_heights))) - return Interval (0, 0); +Interval +Axis_group_interface::begin_of_line_pure_height (Grob *me, int start) +{ + return part_of_line_pure_height (me, true, start, start + 1); +} - return combine_pure_heights (me, scm_car (adjacent_pure_heights), start, start+1); +Interval +Axis_group_interface::rest_of_line_pure_height (Grob *me, int start, int end) +{ + return part_of_line_pure_height (me, false, start, end); } Interval @@ -103,17 +184,17 @@ Axis_group_interface::combine_pure_heights (Grob *me, SCM measure_extents, int s { Paper_score *ps = get_root_system (me)->paper_score (); vector breaks = ps->get_break_indices (); - vector cols = ps->get_columns (); + vector cols = ps->get_columns (); Interval ext; for (vsize i = 0; i + 1 < breaks.size (); i++) { int r = Paper_column::get_rank (cols[breaks[i]]); if (r >= end) - break; + break; if (r >= start) - ext.unite (ly_scm2interval (scm_c_vector_ref (measure_extents, i))); + ext.unite (ly_scm2interval (scm_c_vector_ref (measure_extents, i))); } return ext; @@ -125,70 +206,100 @@ Axis_group_interface::combine_pure_heights (Grob *me, SCM measure_extents, int s // is at the beginning of a line. The second vector stores, for each measure, // the combined height of the elements that are present only when the bar // is not at the beginning of a line. - MAKE_SCHEME_CALLBACK (Axis_group_interface, adjacent_pure_heights, 1) SCM Axis_group_interface::adjacent_pure_heights (SCM smob) { Grob *me = unsmob_grob (smob); - Grob *common = calc_pure_elts_and_common (me); - extract_grob_set (me, "pure-relevant-items", items); - extract_grob_set (me, "pure-relevant-spanners", spanners); + Grob *common = unsmob_grob (me->get_object ("pure-Y-common")); + extract_grob_set (me, "pure-relevant-grobs", elts); Paper_score *ps = get_root_system (me)->paper_score (); - vector breaks = ps->get_break_indices (); - vector cols = ps->get_columns (); + vector ranks = ps->get_break_ranks (); - SCM begin_line_heights = scm_c_make_vector (breaks.size () - 1, SCM_EOL); - SCM mid_line_heights = scm_c_make_vector (breaks.size () - 1, SCM_EOL); + vector begin_line_heights; + vector mid_line_heights; + vector begin_line_staff_heights; + vector mid_line_staff_heights; + begin_line_heights.resize (ranks.size () - 1); + mid_line_heights.resize (ranks.size () - 1); - vsize it_index = 0; - for (vsize i = 0; i + 1 < breaks.size (); i++) + for (vsize i = 0; i < elts.size (); ++i) + { + Grob *g = elts[i]; + + if (to_boolean (g->get_property ("cross-staff"))) + continue; + + bool outside_staff = scm_is_number (g->get_property ("outside-staff-priority")); + Real padding = robust_scm2double (g->get_property ("outside-staff-padding"), 0.5); + + // When we encounter the first outside-staff grob, make a copy + // of the current heights to use as an estimate for the staff heights. + // Note that the outside-staff approximation that we use here doesn't + // consider any collisions that might occur between outside-staff grobs, + // but only the fact that outside-staff grobs may need to be raised above + // the staff. + if (outside_staff && begin_line_staff_heights.empty ()) + { + begin_line_staff_heights = begin_line_heights; + mid_line_staff_heights = mid_line_heights; + } + + // TODO: consider a pure version of get_grob_direction? + Direction d = to_dir (g->get_property_data ("direction")); + d = (d == CENTER) ? UP : d; + + Interval_t rank_span = g->spanned_rank_interval (); + vsize first_break = lower_bound (ranks, (vsize)rank_span[LEFT], less ()); + if (first_break > 0 && ranks[first_break] >= (vsize)rank_span[LEFT]) + first_break--; + + for (vsize j = first_break; j + 1 < ranks.size () && (int)ranks[j] <= rank_span[RIGHT]; ++j) + { + int start = ranks[j]; + int end = ranks[j + 1]; + + // Take grobs that are visible with respect to a slightly longer line. + // Otherwise, we will never include grobs at breakpoints which aren't + // end-of-line-visible. + int visibility_end = j + 2 < ranks.size () ? ranks[j + 2] : end; + + if (g->pure_is_visible (start, visibility_end)) + { + Interval dims = g->pure_height (common, start, end); + if (!dims.is_empty ()) + { + if (rank_span[LEFT] <= start) + { + if (outside_staff) + begin_line_heights[j].unite (begin_line_staff_heights[j].union_disjoint (dims, padding, d)); + else + begin_line_heights[j].unite (dims); + } + if (rank_span[RIGHT] > start) + { + if (outside_staff) + mid_line_heights[j].unite (mid_line_staff_heights[j].union_disjoint (dims, padding, d)); + else + mid_line_heights[j].unite (dims); + } + } + } + } + } + + // Convert begin_line_heights and min_line_heights to SCM. + SCM begin_scm = scm_c_make_vector (ranks.size () - 1, SCM_EOL); + SCM mid_scm = scm_c_make_vector (ranks.size () - 1, SCM_EOL); + for (vsize i = 0; i < begin_line_heights.size (); ++i) { - int start = Paper_column::get_rank (cols[breaks[i]]); - int end = Paper_column::get_rank (cols[breaks[i+1]]); - Interval begin_line_iv; - Interval mid_line_iv; - - for (vsize j = it_index; j < items.size (); j++) - { - Item *it = dynamic_cast (items[j]); - int rank = it->get_column ()->get_rank (); - - if (rank <= end && it->pure_is_visible (start, end) - && !to_boolean (it->get_property ("cross-staff"))) - { - Interval dims = items[j]->pure_height (common, start, end); - Interval &target_iv = start == it->get_column ()->get_rank () ? begin_line_iv : mid_line_iv; - - if (!dims.is_empty ()) - target_iv.unite (dims); - } - - if (rank < end) - it_index++; - else if (rank > end) - break; - } - - for (vsize j = 0; j < spanners.size (); j++) - { - Interval_t rank_span = spanners[j]->spanned_rank_interval (); - if (rank_span[LEFT] <= end && rank_span[RIGHT] >= start - && !to_boolean (spanners[j]->get_property ("cross-staff"))) - { - Interval dims = spanners[j]->pure_height (common, start, end); - - if (!dims.is_empty ()) - mid_line_iv.unite (dims); - } - } - - scm_vector_set_x (begin_line_heights, scm_from_int (i), ly_interval2scm (begin_line_iv)); - scm_vector_set_x (mid_line_heights, scm_from_int (i), ly_interval2scm (mid_line_iv)); + scm_vector_set_x (begin_scm, scm_from_int (i), ly_interval2scm (begin_line_heights[i])); + scm_vector_set_x (mid_scm, scm_from_int (i), ly_interval2scm (mid_line_heights[i])); } - return scm_cons (begin_line_heights, mid_line_heights); + + return scm_cons (begin_scm, mid_scm); } Interval @@ -199,46 +310,30 @@ Axis_group_interface::relative_pure_height (Grob *me, int start, int end) Unfortunately, it isn't always true, particularly if there is a VerticalAlignment somewhere in the descendants. - Apart from PianoStaff, which has a fixed VerticalAlignment so it doesn't - count, the only VerticalAlignment comes from Score. This makes it + Usually, the only VerticalAlignment comes from Score. This makes it reasonably safe to assume that if our parent is a VerticalAlignment, we can assume additivity and cache things nicely. */ Grob *p = me->get_parent (Y_AXIS); if (p && Align_interface::has_interface (p)) - return Axis_group_interface::cached_pure_height (me, start, end); + return Axis_group_interface::sum_partial_pure_heights (me, start, end); - Grob *common = calc_pure_elts_and_common (me); - extract_grob_set (me, "pure-relevant-items", items); - extract_grob_set (me, "pure-relevant-spanners", spanners); + Grob *common = unsmob_grob (me->get_object ("pure-Y-common")); + extract_grob_set (me, "pure-relevant-grobs", elts); Interval r; - - for (vsize i = 0; i < items.size (); i++) - { - Item *it = dynamic_cast (items[i]); - int rank = it->get_column ()->get_rank (); - - if (rank > end) - break; - else if (rank >= start && it->pure_is_visible (start, end) - && !to_boolean (it->get_property ("cross-staff"))) - { - Interval dims = it->pure_height (common, start, end); - if (!dims.is_empty ()) - r.unite (dims); - } - } - - for (vsize i = 0; i < spanners.size (); i++) + for (vsize i = 0; i < elts.size (); i++) { - Interval_t rank_span = spanners[i]->spanned_rank_interval (); + Grob *g = elts[i]; + Interval_t rank_span = g->spanned_rank_interval (); if (rank_span[LEFT] <= end && rank_span[RIGHT] >= start - && !to_boolean (spanners[i]->get_property ("cross-staff"))) - { - Interval dims = spanners[i]->pure_height (common, start, end); - if (!dims.is_empty ()) - r.unite (dims); - } + && g->pure_is_visible (start, end) + && !(to_boolean (g->get_property ("cross-staff")) + && Stem::has_interface (g))) + { + Interval dims = g->pure_height (common, start, end); + if (!dims.is_empty ()) + r.unite (dims); + } } return r; } @@ -269,13 +364,13 @@ Axis_group_interface::pure_height (SCM smob, SCM start_scm, SCM end_scm) /* Maybe we are in the second pass of a two-pass spacing run. In that case, the Y-extent of a system is already given to us */ - System *system = dynamic_cast (me); + System *system = dynamic_cast (me); if (system) { SCM line_break_details = system->column (start)->get_property ("line-break-system-details"); SCM system_y_extent = scm_assq (ly_symbol2scm ("system-Y-extent"), line_break_details); if (scm_is_pair (system_y_extent)) - return scm_cdr (system_y_extent); + return scm_cdr (system_y_extent); } return ly_interval2scm (pure_group_height (me, start, end)); @@ -315,17 +410,17 @@ Axis_group_interface::combine_skylines (SCM smob) { SCM skyline_scm = elements[i]->get_property ("vertical-skylines"); if (Skyline_pair::unsmob (skyline_scm)) - { - Real offset = elements[i]->relative_coordinate (y_common, Y_AXIS); - Skyline_pair other = *Skyline_pair::unsmob (skyline_scm); - other.raise (offset); - other.shift (elements[i]->relative_coordinate (x_common, X_AXIS)); - ret.merge (other); - } + { + Real offset = elements[i]->relative_coordinate (y_common, Y_AXIS); + Skyline_pair other = *Skyline_pair::unsmob (skyline_scm); + other.raise (offset); + other.shift (elements[i]->relative_coordinate (x_common, X_AXIS)); + ret.merge (other); + } } return ret.smobbed_copy (); } - + SCM Axis_group_interface::generic_group_extent (Grob *me, Axis a) { @@ -349,7 +444,7 @@ Interval Axis_group_interface::staff_extent (Grob *me, Grob *refp, Axis ext_a, Grob *staff, Axis parent_a) { extract_grob_set (me, "elements", elts); - vector new_elts; + vector new_elts; for (vsize i = 0; i < elts.size (); i++) if (elts[i]->common_refpoint (staff, parent_a) == staff) @@ -358,57 +453,60 @@ Axis_group_interface::staff_extent (Grob *me, Grob *refp, Axis ext_a, Grob *staf return relative_group_extent (new_elts, refp, ext_a); } +MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_pure_relevant_grobs, 1); +SCM +Axis_group_interface::calc_pure_relevant_grobs (SCM smob) +{ + Grob *me = unsmob_grob (smob); + return internal_calc_pure_relevant_grobs (me, "elements"); +} -Grob * -Axis_group_interface::calc_pure_elts_and_common (Grob *me) +SCM +Axis_group_interface::internal_calc_pure_relevant_grobs (Grob *me, string grob_set_name) { - if (Grob *c = unsmob_grob (me->get_object ("pure-Y-common"))) - return c; - - extract_grob_set (me, "elements", elts); + extract_grob_set (me, grob_set_name.c_str (), elts); - vector relevant_items; - vector relevant_spanners; + vector relevant_grobs; SCM pure_relevant_p = ly_lily_module_constant ("pure-relevant?"); for (vsize i = 0; i < elts.size (); i++) { if (to_boolean (scm_apply_1 (pure_relevant_p, elts[i]->self_scm (), SCM_EOL))) - { - if (dynamic_cast (elts[i])) - relevant_items.push_back (elts[i]); - else if (dynamic_cast (elts[i])) - relevant_spanners.push_back (elts[i]); - } - - - Item *it = dynamic_cast (elts[i]); - Direction d = LEFT; - if (it) - do - { - Item *piece = it->find_prebroken_piece (d); - if (piece && to_boolean (scm_apply_1 (pure_relevant_p, piece->self_scm (), SCM_EOL))) - relevant_items.push_back (piece); - } - while (flip (&d) != LEFT); + relevant_grobs.push_back (elts[i]); + + if (Item *it = dynamic_cast (elts[i])) + { + for (LEFT_and_RIGHT (d)) + { + 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); + } + } } - vector_sort (relevant_items, Item::less); - Grob *common = common_refpoint_of_array (relevant_items, me, Y_AXIS); - common = common_refpoint_of_array (relevant_spanners, common, Y_AXIS); + vector_sort (relevant_grobs, pure_staff_priority_less); + SCM grobs_scm = Grob_array::make_array (); + unsmob_grob_array (grobs_scm)->set_array (relevant_grobs); - me->set_object ("pure-Y-common", common->self_scm ()); - - SCM items_scm = Grob_array::make_array (); - SCM spanners_scm = Grob_array::make_array (); + return grobs_scm; +} - unsmob_grob_array (items_scm)->set_array (relevant_items); - unsmob_grob_array (spanners_scm)->set_array (relevant_spanners); - me->set_object ("pure-relevant-items", items_scm); - me->set_object ("pure-relevant-spanners", spanners_scm); +MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_pure_y_common, 1); +SCM +Axis_group_interface::calc_pure_y_common (SCM smob) +{ + Grob *me = unsmob_grob (smob); + + extract_grob_set (me, "pure-relevant-grobs", elts); + Grob *common = common_refpoint_of_array (elts, me, Y_AXIS); + if (!common) + { + me->programming_error ("No common parent found in calc_pure_y_common."); + return SCM_EOL; + } - return common; + return common->self_scm (); } SCM @@ -421,11 +519,10 @@ Axis_group_interface::calc_common (Grob *me, Axis axis) me->programming_error ("No common parent found in calc_common axis."); return SCM_EOL; } - + return common->self_scm (); } - MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_x_common, 1); SCM Axis_group_interface::calc_x_common (SCM grob) @@ -443,8 +540,13 @@ Axis_group_interface::calc_y_common (SCM grob) Interval Axis_group_interface::pure_group_height (Grob *me, int start, int end) { - Grob *common = calc_pure_elts_and_common (me); - + Grob *common = unsmob_grob (me->get_object ("pure-Y-common")); + + if (!common) + { + programming_error ("no pure Y common refpoint"); + return Interval (); + } Real my_coord = me->relative_coordinate (common, Y_AXIS); Interval r (relative_pure_height (me, start, end)); @@ -452,7 +554,7 @@ Axis_group_interface::pure_group_height (Grob *me, int start, int end) } void -Axis_group_interface::get_children (Grob *me, vector *found) +Axis_group_interface::get_children (Grob *me, vector *found) { found->push_back (me); @@ -467,8 +569,8 @@ Axis_group_interface::get_children (Grob *me, vector *found) } } -bool -staff_priority_less (Grob * const &g1, Grob * const &g2) +static bool +staff_priority_less (Grob *const &g1, Grob *const &g2) { Real priority_1 = robust_scm2double (g1->get_property ("outside-staff-priority"), -infinity_f); Real priority_2 = robust_scm2double (g2->get_property ("outside-staff-priority"), -infinity_f); @@ -491,6 +593,15 @@ staff_priority_less (Grob * const &g1, Grob * const &g2) return start_1 < start_2; } +static bool +pure_staff_priority_less (Grob *const &g1, Grob *const &g2) +{ + Real priority_1 = robust_scm2double (g1->get_property ("outside-staff-priority"), -infinity_f); + Real priority_2 = robust_scm2double (g2->get_property ("outside-staff-priority"), -infinity_f); + + return priority_1 < priority_2; +} + static void add_boxes (Grob *me, Grob *x_common, Grob *y_common, vector *const boxes, Skyline_pair *skylines) { @@ -505,13 +616,13 @@ add_boxes (Grob *me, Grob *x_common, Grob *y_common, vector *const boxes, S else if (Grob_array *elements = unsmob_grob_array (me->get_object ("elements"))) { for (vsize i = 0; i < elements->size (); i++) - add_boxes (elements->grob (i), x_common, y_common, boxes, skylines); + add_boxes (elements->grob (i), x_common, y_common, boxes, skylines); } else if (!scm_is_number (me->get_property ("outside-staff-priority")) - && !to_boolean (me->get_property ("cross-staff"))) + && !to_boolean (me->get_property ("cross-staff"))) { boxes->push_back (Box (me->extent (x_common, X_AXIS), - me->extent (y_common, Y_AXIS))); + me->extent (y_common, Y_AXIS))); } } @@ -536,9 +647,9 @@ add_boxes (Grob *me, Grob *x_common, Grob *y_common, vector *const boxes, S */ static void add_grobs_of_one_priority (Skyline_pair *const skylines, - vector elements, - Grob *x_common, - Grob *y_common) + vector elements, + Grob *x_common, + Grob *y_common) { vector boxes; Drul_array last_affected_position; @@ -550,48 +661,57 @@ add_grobs_of_one_priority (Skyline_pair *const skylines, last_affected_position[DOWN] = -infinity_f; /* do one pass */ for (vsize i = elements.size (); i--;) - { - Direction dir = get_grob_direction (elements[i]); - if (dir == CENTER) - { - warning (_ ("an outside-staff object should have a direction, defaulting to up")); - dir = UP; - } - - Box b (elements[i]->extent (x_common, X_AXIS), - elements[i]->extent (y_common, Y_AXIS)); - SCM horizon_padding_scm = elements[i]->get_property ("outside-staff-horizontal-padding"); - Real horizon_padding = robust_scm2double (horizon_padding_scm, 0.0); - - if (b[X_AXIS][LEFT] - 2*horizon_padding < last_affected_position[dir]) - continue; - - if (!b[X_AXIS].is_empty () && !b[Y_AXIS].is_empty ()) - { - boxes.clear (); - boxes.push_back (b); - Skyline other = Skyline (boxes, horizon_padding, X_AXIS, -dir); - Real padding = robust_scm2double (elements[i]->get_property ("outside-staff-padding"), 0.5); - Real dist = (*skylines)[dir].distance (other) + padding; - - if (dist > 0) - { - b.translate (Offset (0, dir*dist)); - elements[i]->translate_axis (dir*dist, Y_AXIS); - } - (*skylines)[dir].insert (b, 0, X_AXIS); - elements[i]->set_property ("outside-staff-priority", SCM_BOOL_F); - last_affected_position[dir] = b[X_AXIS][RIGHT]; - } - - /* - Ugh: quadratic. --hwn - */ - elements.erase (elements.begin () + i); - } + { + Direction dir = get_grob_direction (elements[i]); + if (dir == CENTER) + { + warning (_ ("an outside-staff object should have a direction, defaulting to up")); + dir = UP; + } + + Box b (elements[i]->extent (x_common, X_AXIS), + elements[i]->extent (y_common, Y_AXIS)); + SCM horizon_padding_scm = elements[i]->get_property ("outside-staff-horizontal-padding"); + Real horizon_padding = robust_scm2double (horizon_padding_scm, 0.0); + + if (b[X_AXIS][LEFT] - 2 * horizon_padding < last_affected_position[dir]) + continue; + + if (!b[X_AXIS].is_empty () && !b[Y_AXIS].is_empty ()) + { + boxes.clear (); + boxes.push_back (b); + Skyline other = Skyline (boxes, horizon_padding, X_AXIS, -dir); + Real padding = robust_scm2double (elements[i]->get_property ("outside-staff-padding"), 0.5); + Real dist = (*skylines)[dir].distance (other) + padding; + + if (dist > 0) + { + b.translate (Offset (0, dir * dist)); + elements[i]->translate_axis (dir * dist, Y_AXIS); + } + skylines->insert (b, 0, X_AXIS); + elements[i]->set_property ("outside-staff-priority", SCM_BOOL_F); + last_affected_position[dir] = b[X_AXIS][RIGHT]; + } + + /* + Ugh: quadratic. --hwn + */ + elements.erase (elements.begin () + i); + } } } +bool +Axis_group_interface::has_outside_staff_parent (Grob *me) +{ + return (me + ? (scm_is_number (me->get_property ("outside-staff-priority")) + || has_outside_staff_parent (me->get_parent (Y_AXIS))) + : false); +} + // TODO: it is tricky to correctly handle skyline placement of cross-staff grobs. // For example, cross-staff beams cannot be formatted until the distance between // staves is known and therefore any grobs that depend on the beam cannot be placed @@ -602,7 +722,7 @@ add_grobs_of_one_priority (Skyline_pair *const skylines, // that there is no room for the cross-staff grob. It also means, of course, that // we don't get the benefits of skyline placement for cross-staff grobs. Skyline_pair -Axis_group_interface::skyline_spacing (Grob *me, vector elements) +Axis_group_interface::skyline_spacing (Grob *me, vector elements) { /* For grobs with an outside-staff-priority, the sorting function might call extent and cause suicide. This breaks the contract that is required @@ -624,8 +744,8 @@ Axis_group_interface::skyline_spacing (Grob *me, vector elements) Skyline_pair skylines; for (i = 0; i < elements.size () - && !scm_is_number (elements[i]->get_property ("outside-staff-priority")); i++) - if (!to_boolean (elements[i]->get_property ("cross-staff"))) + && !scm_is_number (elements[i]->get_property ("outside-staff-priority")); i++) + if (!(to_boolean (elements[i]->get_property ("cross-staff")) || has_outside_staff_parent (elements[i]))) add_boxes (elements[i], x_common, y_common, &boxes, &skylines); SCM padding_scm = me->get_property ("skyline-horizontal-padding"); @@ -634,18 +754,18 @@ Axis_group_interface::skyline_spacing (Grob *me, vector elements) for (; i < elements.size (); i++) { if (to_boolean (elements[i]->get_property ("cross-staff"))) - continue; + continue; SCM priority = elements[i]->get_property ("outside-staff-priority"); - vector current_elts; + vector current_elts; current_elts.push_back (elements[i]); - while (i + 1 < elements.size () - && scm_eq_p (elements[i+1]->get_property ("outside-staff-priority"), priority)) - { - if (!to_boolean (elements[i+1]->get_property ("cross-staff"))) - current_elts.push_back (elements[i+1]); - ++i; - } + while (i + 1 < elements.size () + && scm_is_eq (elements[i + 1]->get_property ("outside-staff-priority"), priority)) + { + if (!to_boolean (elements[i + 1]->get_property ("cross-staff"))) + current_elts.push_back (elements[i + 1]); + ++i; + } add_grobs_of_one_priority (&skylines, current_elts, x_common, y_common); } @@ -653,21 +773,6 @@ Axis_group_interface::skyline_spacing (Grob *me, vector elements) return skylines; } -MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_max_stretch, 1) -SCM -Axis_group_interface::calc_max_stretch (SCM smob) -{ - Grob *me = unsmob_grob (smob); - Real ret = 0; - extract_grob_set (me, "elements", elts); - - for (vsize i = 0; i < elts.size (); i++) - if (Axis_group_interface::has_interface (elts[i])) - ret += robust_scm2double (elts[i]->get_property ("max-stretch"), 0.0); - - return scm_from_double (ret); -} - MAKE_SCHEME_CALLBACK (Axis_group_interface, print, 1) SCM Axis_group_interface::print (SCM smob) @@ -680,27 +785,87 @@ Axis_group_interface::print (SCM smob) if (Skyline_pair *s = Skyline_pair::unsmob (me->get_property ("vertical-skylines"))) { ret.add_stencil (Lookup::points_to_line_stencil (0.1, (*s)[UP].to_points (X_AXIS)) - .in_color (255, 0, 255)); + .in_color (255, 0, 255)); ret.add_stencil (Lookup::points_to_line_stencil (0.1, (*s)[DOWN].to_points (X_AXIS)) - .in_color (0, 255, 255)); + .in_color (0, 255, 255)); } return ret.smobbed_copy (); } +MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_pure_staff_staff_spacing, 3) +SCM +Axis_group_interface::calc_pure_staff_staff_spacing (SCM smob, SCM start, SCM end) +{ + return calc_maybe_pure_staff_staff_spacing (unsmob_grob (smob), + true, + scm_to_int (start), + scm_to_int (end)); +} + +MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_staff_staff_spacing, 1) +SCM +Axis_group_interface::calc_staff_staff_spacing (SCM smob) +{ + return calc_maybe_pure_staff_staff_spacing (unsmob_grob (smob), + false, + 0, + INT_MAX); +} + +SCM +Axis_group_interface::calc_maybe_pure_staff_staff_spacing (Grob *me, bool pure, int start, int end) +{ + Grob *grouper = unsmob_grob (me->get_object ("staff-grouper")); + + if (grouper) + { + bool within_group = Staff_grouper_interface::maybe_pure_within_group (grouper, me, pure, start, end); + if (within_group) + return grouper->get_maybe_pure_property ("staff-staff-spacing", pure, start, end); + else + return grouper->get_maybe_pure_property ("staffgroup-staff-spacing", pure, start, end); + } + return me->get_maybe_pure_property ("default-staff-staff-spacing", pure, start, end); +} + +Real +Axis_group_interface::minimum_distance (Grob *g1, Grob *g2, Axis a) +{ + SCM sym = ly_symbol2scm ((a == Y_AXIS) ? "vertical-skylines" : "horizontal-skylines"); + + Skyline_pair *s1 = Skyline_pair::unsmob (g1->get_property (sym)); + Skyline_pair *s2 = Skyline_pair::unsmob (g2->get_property (sym)); + if (s1 && s2) + return (*s1)[DOWN].distance ((*s2)[UP]); + return 0; +} + ADD_INTERFACE (Axis_group_interface, - "An object that groups other layout objects.", - - /* properties */ - "X-common " - "Y-common " - "adjacent-pure-heights " - "axes " - "elements " - "keep-fixed-while-stretching " - "max-stretch " - "no-alignment " - "pure-Y-common " - "pure-relevant-items " - "pure-relevant-spanners " - "vertical-skylines " - ); + "An object that groups other layout objects.", + + // TODO: some of these properties are specific to + // VerticalAxisGroup. We should split off a + // vertical-axis-group-interface. + /* properties */ + "adjacent-pure-heights " + "axes " + "bound-alignment-interfaces " + "default-staff-staff-spacing " + "elements " + "max-stretch " + "no-alignment " + "nonstaff-nonstaff-spacing " + "nonstaff-relatedstaff-spacing " + "nonstaff-unrelatedstaff-spacing " + "pure-relevant-grobs " + "pure-relevant-items " + "pure-relevant-spanners " + "pure-Y-common " + "staff-affinity " + "staff-grouper " + "staff-staff-spacing " + "system-Y-offset " + "vertical-skylines " + "X-common " + "Y-common " + );