X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fslur.cc;h=2bc0ea072c9909ac2da9f10837aeccea648f4788;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=8c1e7e090e366fd4d6db17c48a1a6624cf0c3ab9;hpb=6ec65b15b95eb3bd700579a9f85ce209ecd0812d;p=lilypond.git diff --git a/lily/slur.cc b/lily/slur.cc index 8c1e7e090e..2bc0ea072c 100644 --- a/lily/slur.cc +++ b/lily/slur.cc @@ -3,17 +3,18 @@ source file of the GNU LilyPond music typesetter - (c) 1996--2006 Han-Wen Nienhuys + (c) 1996--2008 Han-Wen Nienhuys Jan Nieuwenhuizen */ #include "slur.hh" - - +#include "grob-info.hh" +#include "grob-array.hh" #include "beam.hh" #include "bezier.hh" #include "directional-element-interface.hh" #include "font-interface.hh" +#include "item.hh" #include "pointer-group-interface.hh" #include "lookup.hh" #include "main.hh" // DEBUG_SLUR_SCORING @@ -21,17 +22,17 @@ #include "output-def.hh" #include "spanner.hh" #include "staff-symbol-referencer.hh" -#include "staff-symbol.hh" #include "stem.hh" #include "text-interface.hh" +#include "tie.hh" #include "warn.hh" #include "slur-scoring.hh" - -#include "script-interface.hh" +#include "separation-item.hh" +#include "international.hh" -MAKE_SCHEME_CALLBACK(Slur, calc_direction, 1) +MAKE_SCHEME_CALLBACK (Slur, calc_direction, 1) SCM Slur::calc_direction (SCM smob) { @@ -56,6 +57,35 @@ Slur::calc_direction (SCM smob) return scm_from_int (d); } +MAKE_SCHEME_CALLBACK (Slur, pure_height, 3); +SCM +Slur::pure_height (SCM smob, SCM start_scm, SCM end_scm) +{ + Grob *me = unsmob_grob (smob); + int start = scm_to_int (start_scm); + int end = scm_to_int (end_scm); + Real height = robust_scm2double (me->get_property ("height-limit"), 2.0); + + extract_grob_set (me, "note-columns", encompasses); + Interval ret; + + Grob *parent = me->get_parent (Y_AXIS); + if (common_refpoint_of_array (encompasses, me, Y_AXIS) != parent) + /* this could happen if, for example, we are a cross-staff slur. + in this case, we want to be ignored */ + return ly_interval2scm (Interval ()); + + for (vsize i = 0; i < encompasses.size (); i++) + { + Interval d = encompasses[i]->pure_height (parent, start, end); + if (!d.is_empty ()) + ret.unite (d); + } + + ret.widen (height * 0.5); + return ly_interval2scm (ret); +} + MAKE_SCHEME_CALLBACK (Slur, height, 1); SCM Slur::height (SCM smob) @@ -68,9 +98,6 @@ Slur::height (SCM smob) : ly_interval2scm (Interval ()); } -/* - Ugh should have dash-length + dash-period -*/ MAKE_SCHEME_CALLBACK (Slur, print, 1); SCM Slur::print (SCM smob) @@ -92,9 +119,6 @@ Slur::print (SCM smob) Bezier one = get_curve (me); Stencil a; - /* - TODO: replace dashed with generic property. - */ SCM p = me->get_property ("dash-period"); SCM f = me->get_property ("dash-fraction"); if (scm_is_number (p) && scm_is_number (f)) @@ -106,31 +130,78 @@ Slur::print (SCM smob) line_thick); #if DEBUG_SLUR_SCORING - SCM quant_score = me->get_property ("quant-score"); - - if (to_boolean (me->layout () - ->lookup_variable (ly_symbol2scm ("debug-slur-scoring"))) - && scm_is_string (quant_score)) + SCM annotation = me->get_property ("annotation"); + if (!scm_is_string (annotation)) + { + SCM debug = me->layout ()->lookup_variable (ly_symbol2scm ("debug-slur-scoring")); + if (to_boolean (debug)) + annotation = me->get_property ("quant-score"); + } + + if (scm_is_string (annotation)) { - std::string str; + string str; SCM properties = Font_interface::text_font_alist_chain (me); + if (!scm_is_number (me->get_property ("font-size"))) + properties = scm_cons (scm_acons (ly_symbol2scm ("font-size"), scm_from_int (-6), SCM_EOL), + properties); + Stencil tm = *unsmob_stencil (Text_interface::interpret_markup (me->layout ()->self_scm (), properties, - quant_score)); - a.add_at_edge (Y_AXIS, get_grob_direction (me), tm, 1.0, 0); + annotation)); + a.add_at_edge (Y_AXIS, get_grob_direction (me), tm, 1.0); } #endif return a.smobbed_copy (); } + +/* + it would be better to do this at engraver level, but that is + fragile, as the breakabl items are generated on staff level, at + which point slur starts and ends have to be tracked +*/ +void +Slur::replace_breakable_encompass_objects (Grob *me) +{ + extract_grob_set (me, "encompass-objects", extra_objects); + vector new_encompasses; + + for (vsize i = 0; i < extra_objects.size (); i++) + { + Grob *g = extra_objects[i]; + + if (Separation_item::has_interface (g)) + { + extract_grob_set (g, "elements", breakables); + for (vsize j = 0; j < breakables.size (); j++) + /* if we encompass a separation-item that spans multiple staves, + we filter out the grobs that don't belong to our staff */ + if (me->common_refpoint (breakables[j], Y_AXIS) == me->get_parent (Y_AXIS) + && breakables[j]->get_property ("avoid-slur") == ly_symbol2scm ("inside")) + new_encompasses.push_back (breakables[j]); + } + else + new_encompasses.push_back (g); + } + + SCM encompass_scm = me->get_object ("encompass-objects"); + if (Grob_array::unsmob (encompass_scm)) + { + vector &arr = + unsmob_grob_array (encompass_scm)->array_reference (); + arr = new_encompasses; + } +} + Bezier Slur::get_curve (Grob *me) { Bezier b; int i = 0; - for (SCM s = me->get_property ("control-points"); s != SCM_EOL; + for (SCM s = me->get_property ("control-points"); scm_is_pair (s); s = scm_cdr (s)) b.control_[i++] = ly_scm2offset (scm_car (s)); @@ -141,7 +212,7 @@ void Slur::add_column (Grob *me, Grob *n) { Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-columns"), n); - add_bound_item (dynamic_cast (me), dynamic_cast (n)); + add_bound_item (dynamic_cast (me), n); } void @@ -150,8 +221,27 @@ Slur::add_extra_encompass (Grob *me, Grob *n) Pointer_group_interface::add_grob (me, ly_symbol2scm ("encompass-objects"), n); } +MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Slur, pure_outside_slur_callback, 4, 1, ""); +SCM +Slur::pure_outside_slur_callback (SCM grob, SCM start_scm, SCM end_scm, SCM offset_scm) +{ + int start = robust_scm2int (start_scm, 0); + int end = robust_scm2int (end_scm, 0); + Grob *script = unsmob_grob (grob); + Grob *slur = unsmob_grob (script->get_object ("slur")); + if (!slur) + return offset_scm; -MAKE_SCHEME_CALLBACK (Slur, outside_slur_callback, 2); + SCM avoid = script->get_property ("avoid-slur"); + if (avoid != ly_symbol2scm ("outside") && avoid != ly_symbol2scm ("around")) + return offset_scm; + + Real offset = robust_scm2double (offset_scm, 0.0); + Direction dir = get_grob_direction (script); + return scm_from_double (offset + dir * slur->pure_height (slur, start, end).length () / 4); +} + +MAKE_SCHEME_CALLBACK_WITH_OPTARGS (Slur, outside_slur_callback, 2, 1, ""); SCM Slur::outside_slur_callback (SCM grob, SCM offset_scm) { @@ -181,8 +271,8 @@ Slur::outside_slur_callback (SCM grob, SCM offset_scm) Interval yext = robust_relative_extent (script, cy, Y_AXIS); Interval xext = robust_relative_extent (script, cx, X_AXIS); - yext.translate (robust_scm2double (offset_scm, 0)); - + Real offset = robust_scm2double (offset_scm, 0); + yext.translate (offset); /* FIXME: slur property, script property? */ Real slur_padding = robust_scm2double (script->get_property ("slur-padding"), @@ -208,7 +298,6 @@ Slur::outside_slur_callback (SCM grob, SCM offset_scm) : ((fabs (bezext[RIGHT] - x) < EPS) ? curve.control_[3][Y_AXIS] : curve.get_other_coordinate (X_AXIS, x)); - consider[k] = true; /* Request shift if slur is contained script's Y, or if script is inside slur and avoid == outside. */ @@ -222,31 +311,126 @@ Slur::outside_slur_callback (SCM grob, SCM offset_scm) if (do_shift) { for (int d = LEFT, k = 0; d <= RIGHT; d++, k++) - avoidance_offset = dir * (max (dir * avoidance_offset, - dir * (ys[k] - yext[-dir] + dir * slur_padding))); + if (consider[k]) + avoidance_offset = dir * (max (dir * avoidance_offset, + dir * (ys[k] - yext[-dir] + dir * slur_padding))); } + return scm_from_double (offset + avoidance_offset); +} + +/* + * Used by Slur_engraver:: and Phrasing_slur_engraver:: + */ +void +Slur::auxiliary_acknowledge_extra_object (Grob_info const &info, + vector &slurs, + vector &end_slurs) +{ + if (slurs.empty () && end_slurs.empty ()) + return; + + Grob *e = info.grob (); + SCM avoid = e->get_property ("avoid-slur"); + if (Tie::has_interface (e) + || avoid == ly_symbol2scm ("inside")) + { + for (vsize i = slurs.size (); i--;) + add_extra_encompass (slurs[i], e); + for (vsize i = end_slurs.size (); i--;) + add_extra_encompass (end_slurs[i], e); + } + else if (avoid == ly_symbol2scm ("outside") + || avoid == ly_symbol2scm ("around")) + { + Grob *slur; + if (end_slurs.size () && !slurs.size ()) + slur = end_slurs[0]; + else + slur = slurs[0]; + + if (slur) + { + chain_offset_callback (e, outside_slur_callback_proc, Y_AXIS); + chain_callback (e, outside_slur_cross_staff_proc, ly_symbol2scm("cross-staff")); + e->set_object ("slur", slur->self_scm ()); + } + } + else + e->warning (_f ("Ignoring grob for slur: %s. avoid-slur not set?", + e->name().c_str ())); +} - return scm_from_double (scm_to_double (offset_scm) + avoidance_offset); +/* + A callback that will be chained together with the original cross-staff + value of a grob that is placed 'outside or 'around a slur. This just says + that any grob becomes cross-staff if it is placed 'outside or 'around a + cross-staff slur. +*/ +MAKE_SCHEME_CALLBACK (Slur, outside_slur_cross_staff, 2) +SCM +Slur::outside_slur_cross_staff (SCM smob, SCM previous) +{ + if (previous == SCM_BOOL_T) + return previous; + + Grob *me = unsmob_grob (smob); + Grob *slur = unsmob_grob (me->get_object ("slur")); + + if (!slur) + return SCM_BOOL_F; + return slur->get_property ("cross-staff"); } +MAKE_SCHEME_CALLBACK (Slur, calc_cross_staff, 1) +SCM +Slur::calc_cross_staff (SCM smob) +{ + Grob *me = unsmob_grob (smob); + extract_grob_set (me, "note-columns", cols); + extract_grob_set (me, "encompass-objects", extras); -ADD_INTERFACE (Slur, "slur-interface", - - "A slur", + for (vsize i = 0; i < cols.size (); i++) + { + if (Grob *s = Note_column::get_stem (cols[i])) + if (to_boolean (s->get_property ("cross-staff"))) + return SCM_BOOL_T; + } + + /* the separation items are dealt with in replace_breakable_encompass_objects + so we can ignore them here */ + vector non_sep_extras; + for (vsize i = 0; i < extras.size (); i++) + if (!Separation_item::has_interface (extras[i])) + non_sep_extras.push_back (extras[i]); + + Grob *common = common_refpoint_of_array (cols, me, Y_AXIS); + common = common_refpoint_of_array (non_sep_extras, common, Y_AXIS); + + return scm_from_bool (common != me->get_parent (Y_AXIS)); +} + +ADD_INTERFACE (Slur, + "A slur.", /* properties */ + "annotation " + "avoid-slur " /* UGH. */ "control-points " "dash-fraction " "dash-period " + "details " "direction " "eccentricity " "encompass-objects " "height-limit " + "inspect-quants " + "inspect-index " + "line-thickness " "note-columns " "positions " "quant-score " "ratio " - "details " - "thickness "); + "thickness " + );