X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Faxis-group-interface.cc;h=7f6d1ef6b527af167bd0941630f6dae90ec348ac;hb=5516a43e8bc85c3f58b3c004a9a7fde626408939;hp=4319bb8b92cd0594311142bed40928dddeec28ae;hpb=4c6ce589763e6264ff65a83026b16aea682943e4;p=lilypond.git diff --git a/lily/axis-group-interface.cc b/lily/axis-group-interface.cc index 4319bb8b92..7f6d1ef6b5 100644 --- a/lily/axis-group-interface.cc +++ b/lily/axis-group-interface.cc @@ -3,7 +3,7 @@ source file of the GNU LilyPond music typesetter - (c) 2000--2006 Han-Wen Nienhuys + (c) 2000--2007 Han-Wen Nienhuys */ #include "axis-group-interface.hh" @@ -61,13 +61,24 @@ Axis_group_interface::relative_group_extent (vector const &elts, for (vsize i = 0; i < elts.size (); i++) { Grob *se = elts[i]; - Interval dims = se->extent (common, a); - if (!dims.is_empty ()) - r.unite (dims); + if (!to_boolean (se->get_property ("cross-staff"))) + { + Interval dims = se->extent (common, a); + if (!dims.is_empty ()) + r.unite (dims); + } } return r; } + +/* + FIXME: pure extent handling has a lot of ad-hoc caching. + This should be done with grob property callbacks. + + --hwn +*/ + Interval Axis_group_interface::cached_pure_height (Grob *me, vector const &elts, @@ -101,7 +112,7 @@ Axis_group_interface::cached_pure_height (Grob *me, if (!scm_is_vector (extents)) { extents = scm_c_make_vector (breaks.size () - 1, SCM_EOL); - for (vsize i = 0; i < breaks.size () - 1; i++) + for (vsize i = 0; i + 1 < breaks.size (); i++) { int st = Paper_column::get_rank (cols[breaks[i]]); int ed = Paper_column::get_rank (cols[breaks[i+1]]); @@ -141,7 +152,7 @@ Axis_group_interface::relative_pure_height (Grob *me, for (vsize i = 0; i < elts.size (); i++) { - Interval_t rank_span = elts[i]->spanned_rank_iv (); + Interval_t rank_span = elts[i]->spanned_rank_interval (); Item *it = dynamic_cast (elts[i]); if (rank_span[LEFT] <= end && rank_span[RIGHT] >= start && (!it || it->pure_is_visible (start, end))) { @@ -177,6 +188,17 @@ Axis_group_interface::pure_height (SCM smob, SCM start_scm, SCM end_scm) int end = robust_scm2int (end_scm, INT_MAX); Grob *me = unsmob_grob (smob); + /* 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); + 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 pure_group_height (me, start, end); } @@ -235,44 +257,73 @@ Axis_group_interface::generic_group_extent (Grob *me, Axis a) return ly_interval2scm (r - my_coord); } -SCM -Axis_group_interface::pure_group_height (Grob *me, int start, int end) + +Grob * +Axis_group_interface::calc_pure_elts_and_common (Grob *me) { - Grob *common = unsmob_grob (me->get_object ("common-refpoint-of-elements")); + if (Grob *c = unsmob_grob (me->get_object ("pure-Y-common"))) + return c; + + extract_grob_set (me, "elements", elts); - if (!common) + vector relevant_elts; + SCM pure_relevant_p = ly_lily_module_constant ("pure-relevant?"); + + for (vsize i = 0; i < elts.size (); i++) { - extract_grob_set (me, "elements", elts); + if (to_boolean (scm_apply_1 (pure_relevant_p, elts[i]->self_scm (), SCM_EOL))) + relevant_elts.push_back (elts[i]); - vector relevant_elts; - SCM is_relevant = ly_lily_module_constant ("pure-relevant"); + 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_elts.push_back (piece); + } + while (flip (&d) != LEFT); + } - for (vsize i = 0; i < elts.size (); i++) - { - if (to_boolean (scm_apply_1 (is_relevant, elts[i]->self_scm (), SCM_EOL))) - relevant_elts.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 (is_relevant, piece->self_scm (), SCM_EOL))) - relevant_elts.push_back (piece); - } - while (flip (&d) != LEFT); - } + Grob *common = common_refpoint_of_array (relevant_elts, me, Y_AXIS); + me->set_object ("pure-Y-common", common->self_scm ()); + + SCM ga_scm = Grob_array::make_array (); + Grob_array *ga = unsmob_grob_array (ga_scm); + ga->set_array (relevant_elts); + me->set_object ("pure-relevant-elements", ga_scm); - common = common_refpoint_of_array (relevant_elts, me, Y_AXIS); - me->set_object ("common-refpoint-of-elements", common->self_scm ()); + return common; +} - SCM ga_scm = Grob_array::make_array (); - Grob_array *ga = unsmob_grob_array (ga_scm); - ga->set_array (relevant_elts); - me->set_object ("pure-relevant-elements", ga_scm); - } +MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_x_common, 1); +SCM +Axis_group_interface::calc_x_common (SCM grob) +{ + Grob *me = unsmob_grob (grob); + extract_grob_set (me, "elements", elts); + Grob *common = common_refpoint_of_array (elts, me, X_AXIS); + return common->self_scm (); +} + +MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_y_common, 1); +SCM +Axis_group_interface::calc_y_common (SCM grob) +{ + Grob *me = unsmob_grob (grob); + + extract_grob_set (me, "elements", elts); + Grob *common = common_refpoint_of_array (elts, me, Y_AXIS); + return common->self_scm (); +} + +SCM +Axis_group_interface::pure_group_height (Grob *me, int start, int end) +{ + Grob *common = calc_pure_elts_and_common (me); + extract_grob_set (me, "pure-relevant-elements", elts); Real my_coord = me->relative_coordinate (common, Y_AXIS); Interval r (relative_pure_height (me, elts, common, start, end, true)); @@ -307,6 +358,12 @@ staff_priority_less (Grob * const &g1, Grob * const &g2) else if (priority_1 > priority_2) return false; + /* if neither grob has an outside-staff priority, the ordering will have no + effect -- we just need to choose a consistent ordering. We do this to + avoid the side-effect of calculating extents. */ + if (isinf (priority_1)) + return g1 < g2; + /* if there is no preference in staff priority, choose the left-most one */ Grob *common = g1->common_refpoint (g2, X_AXIS); Real start_1 = g1->extent (common, X_AXIS)[LEFT]; @@ -323,7 +380,8 @@ add_boxes (Grob *me, Grob *x_common, Grob *y_common, vector *const boxes) for (vsize i = 0; i < elements->size (); i++) add_boxes (elements->grob (i), x_common, y_common, boxes); } - else if (!scm_is_number (me->get_property ("outside-staff-priority"))) + else if (!scm_is_number (me->get_property ("outside-staff-priority")) + && !to_boolean (me->get_property ("cross-staff"))) boxes->push_back (Box (me->extent (x_common, X_AXIS), me->extent (y_common, Y_AXIS))); } @@ -379,9 +437,7 @@ add_grobs_of_one_priority (Skyline_pair *const skylines, if (b[X_AXIS][LEFT] - 2*horizon_padding < last_affected_position[dir]) continue; - if (b[X_AXIS].is_empty () || b[Y_AXIS].is_empty ()) - warning (_f ("outside-staff object %s has an empty extent", elements[i]->name ().c_str ())); - else + if (!b[X_AXIS].is_empty () && !b[Y_AXIS].is_empty ()) { boxes.clear (); boxes.push_back (b); @@ -398,6 +454,10 @@ add_grobs_of_one_priority (Skyline_pair *const skylines, 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); } } @@ -425,7 +485,7 @@ Axis_group_interface::skyline_spacing (Grob *me, vector elements) SCM priority = elements[i]->get_property ("outside-staff-priority"); vector current_elts; current_elts.push_back (elements[i]); - while (i < elements.size () - 1 + while (i + 1 < elements.size () && scm_eq_p (elements[i+1]->get_property ("outside-staff-priority"), priority)) current_elts.push_back (elements[++i]); @@ -434,14 +494,33 @@ 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); +} + ADD_INTERFACE (Axis_group_interface, "An object that groups other layout objects.", /* properties */ + "X-common " + "Y-common " "axes " "elements " - "common-refpoint-of-elements " + "keep-fixed-while-stretching " + "max-stretch " + "pure-Y-common " "pure-relevant-elements " "skylines " "cached-pure-extents "