X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fhairpin.cc;h=87f32017a491ca7b9d6a669bf8e25fa4c3c45c10;hb=918ed854dd4893789234f1a2e7854f13c0f04070;hp=1e4d659f82bfcff9069bc7f4b1817baceb421629;hpb=5ca271301d3af557f4720223736dc2d7b981c12b;p=lilypond.git diff --git a/lily/hairpin.cc b/lily/hairpin.cc index 1e4d659f82..87f32017a4 100644 --- a/lily/hairpin.cc +++ b/lily/hairpin.cc @@ -3,140 +3,265 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2002 Han-Wen Nienhuys + (c) 1997--2007 Han-Wen Nienhuys */ -#include "molecule.hh" #include "hairpin.hh" -#include "spanner.hh" -#include "font-interface.hh" + #include "dimensions.hh" -#include "paper-def.hh" -#include "debug.hh" +#include "international.hh" +#include "line-interface.hh" +#include "output-def.hh" #include "paper-column.hh" +#include "pointer-group-interface.hh" +#include "spanner.hh" +#include "staff-symbol-referencer.hh" +#include "text-interface.hh" +#include "note-column.hh" +#include "warn.hh" -MAKE_SCHEME_CALLBACK (Hairpin, brew_molecule, 1); +MAKE_SCHEME_CALLBACK (Hairpin, after_line_breaking, 1); +SCM +Hairpin::after_line_breaking (SCM smob) +{ + Spanner *me = dynamic_cast (unsmob_grob (smob)); + consider_suicide (me); + + return SCM_UNSPECIFIED; +} + +void +Hairpin::consider_suicide (Spanner*me) +{ + Drul_array broken; + Drul_array bounds; + Direction d = LEFT; + do + { + bounds[d] = me->get_bound (d); + broken[d] = bounds[d]->break_status_dir () != CENTER; + } + while (flip (&d) != LEFT); + + if (broken[LEFT] + && ly_is_equal (bounds[RIGHT]->get_column ()->get_property ("when"), + bounds[LEFT]->get_property ("when"))) + me->suicide (); + +} + +MAKE_SCHEME_CALLBACK (Hairpin, print, 1); SCM -Hairpin::brew_molecule (SCM smob) +Hairpin::print (SCM smob) { - Grob *me= unsmob_grob (smob); - Spanner *spanner = dynamic_cast (me); + Spanner *me = dynamic_cast (unsmob_grob (smob)); - Real line = me->paper_l ()->get_var ("stafflinethickness"); + if (Spanner *orig = dynamic_cast (me->original ())) + { + for (vsize i = 0; i < orig->broken_intos_.size (); i++) + Hairpin::consider_suicide (orig->broken_intos_[i]); + } - SCM s = me->get_grob_property ("grow-direction"); - if (!ly_dir_p (s)) + SCM s = me->get_property ("grow-direction"); + if (!is_direction (s)) { me->suicide (); return SCM_EOL; } - - Direction grow_dir = to_dir (s); + Direction grow_dir = to_dir (s); + Real padding = robust_scm2double (me->get_property ("bound-padding"), 0.5); - /* Ugh, must be same as Text_spanner::brew_molecule. */ - Real padding = gh_scm2double (me->get_grob_property ("if-text-padding")); - Drul_array broken; - Drul_array bounds ; + Drul_array bounds; Direction d = LEFT; do { - bounds[d] =spanner->get_bound (d); + bounds[d] = me->get_bound (d); broken[d] = bounds[d]->break_status_dir () != CENTER; } while (flip (&d) != LEFT); - Grob *common = bounds[LEFT]->common_refpoint (bounds[RIGHT], X_AXIS); - Drul_array x_points ; + broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT); + broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT)->is_live (); + if (broken[RIGHT]) + { + Spanner *next = me->broken_neighbor (RIGHT); + Stencil *s = next->get_stencil (); + if (!s || s->is_empty ()) + broken[RIGHT] = false; + } + + Grob *common = bounds[LEFT]->common_refpoint (bounds[RIGHT], X_AXIS); + Drul_array x_points; + + /* + Use the height and thickness of the hairpin when making a circled tip + */ + bool circled_tip = ly_scm2bool (me->get_property ("circled-tip")); + Real height = robust_scm2double (me->get_property ("height"), 0.2) * + Staff_symbol_referencer::staff_space (me); + /* + FIXME: 0.525 is still just a guess... + */ + Real rad = height * 0.525; + Real thick = 1.0; + if (circled_tip) + thick = robust_scm2double (me->get_property ("thickness"), 1.0) + * Staff_symbol_referencer::line_thickness (me); + do { Item *b = bounds[d]; - x_points[d] = b->relative_coordinate (common, X_AXIS); + x_points[d] = b->relative_coordinate (common, X_AXIS); if (broken [d]) { if (d == LEFT) - x_points[d] = b->extent (common,X_AXIS)[RIGHT] ; + x_points[d] = b->extent (common, X_AXIS)[RIGHT]; } else { - if (dynamic_cast (b)) + if (Text_interface::has_interface (b)) { - /* - If we're hung on a paper column, that means we're not - adjacent to a text-dynamic, and we may move closer. We - make the padding a little smaller, here. - */ - Interval e =b->extent (common, X_AXIS); - if (e.empty_b ()) - e = Interval (0,0) + b->relative_coordinate (common, X_AXIS); - - x_points[d] = e.center () - d * padding /3; // ugh. + Interval e = b->extent (common, X_AXIS); + if (!e.is_empty ()) + x_points[d] = e[-d] - d * padding; } else { - Interval e =b->extent (common, X_AXIS); - if (!e.empty_b ()) - x_points[d] = e[-d] - d*padding; + bool neighbor_found = false; + extract_grob_set (me, "adjacent-hairpins", pins); + for (vsize i = 0; i < pins.size (); i++) + { + /* + FIXME: this will fuck up in case of polyphonic + notes in other voices. Need to look at note-columns + in the current staff/voice. + */ + + Spanner *pin = dynamic_cast (pins[i]); + if (pin + && (pin->get_bound (LEFT)->get_column () == b->get_column () + || pin->get_bound (RIGHT)->get_column () == b->get_column ())) + neighbor_found = true; + } + + Interval e = robust_relative_extent (b, common, X_AXIS); + if (neighbor_found) + { + /* + Handle back-to-back hairpins with a circle in the middle + */ + if (circled_tip && (grow_dir != d)) + x_points[d] = e.center () + d * (rad - thick / 2.0); + /* + If we're hung on a paper column, that means we're not + adjacent to a text-dynamic, and we may move closer. We + make the padding a little smaller, here. + */ + else + x_points[d] = e.center () - d * padding / 3; + } + else + { + if (Note_column::has_interface (b) + && Note_column::has_rests (b)) + x_points[d] = e[-d]; + else + x_points[d] = e[d]; + + Item *bound = me->get_bound (d); + if (bound->is_non_musical (bound)) + x_points[d] -= d * padding; + } } } } while (flip (&d) != LEFT); - Real width = x_points[RIGHT] - x_points[LEFT]; - if (width < 0) { - warning (_ ((grow_dir < 0) ? "decrescendo too small" - : "crescendo too small")); + me->warning (_ ((grow_dir < 0) ? "decrescendo too small" + : "crescendo too small")); width = 0; } bool continued = broken[Direction (-grow_dir)]; - Real height = gh_scm2double (me->get_grob_property ("height")); - Real thick = line * gh_scm2double (me->get_grob_property ("thickness")); - Real starth, endh; + Real starth = 0; + Real endh = 0; if (grow_dir < 0) { starth = height; - endh = continued ? height/2 : 0.0; + endh = continued ? height / 2 : 0.0; } else { - starth = continued ? height/2 : 0.0; + starth = continued ? height / 2 : 0.0; endh = height; } - + /* - TODO: junk this and, make a general + should do relative to staff-symbol staff-space? + */ - Lookup::line (XY1, XY2). + Stencil mol; + Real x = 0.0; + + /* + Compensate for size of circle */ - SCM hairpin = scm_list_n (ly_symbol2scm ("hairpin"), - gh_double2scm (thick), - gh_double2scm (width), - gh_double2scm (starth), - gh_double2scm (endh), - SCM_UNDEFINED); + Direction tip_dir = -grow_dir; + if (circled_tip && !broken[tip_dir]) + { + if (grow_dir > 0) + x = rad * 2.0; + else if (grow_dir < 0) + width -= rad *2.0; + } + mol = Line_interface::line (me, Offset (x, starth), Offset (width, endh)); + mol.add_stencil (Line_interface::line (me, + Offset (x, -starth), + Offset (width, -endh))); /* - We make the hairpin too large in Y direction, so it stays at - proper distance from the staff. + Support al/del niente notation by putting a circle at the + tip of the (de)crescendo. */ - Interval yext = 2* height * Interval (-1,1); - Box b (Interval (0, width), yext); - Molecule mol (b, hairpin); - + if (circled_tip) + { + Box extent (Interval (-rad, rad), Interval (-rad, rad)); + + /* Hmmm, perhaps we should have a Lookup::circle () method? */ + Stencil circle (extent, + scm_list_4 (ly_symbol2scm ("circle"), + scm_from_double (rad), + scm_from_double (thick), + SCM_BOOL_F)); + + /* + don't add another circle the hairpin is broken + */ + if (!broken[tip_dir]) + mol.add_at_edge (X_AXIS, tip_dir, Stencil (circle), 0); + } + mol.translate_axis (x_points[LEFT] - bounds[LEFT]->relative_coordinate (common, X_AXIS), X_AXIS); - return mol.smobbed_copy (); } +ADD_INTERFACE (Hairpin, + "A hairpin crescendo/decrescendo.", - + /* props */ + "adjacent-hairpins " + "circled-tip " + "bound-padding " + "grow-direction " + "height " + );