X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Farpeggio.cc;h=80858426bc6eb43bc7f12e2f77a83aec4351d8b3;hb=def21b306e2b8fa2d5630fab0878e9922e197f0c;hp=dfd112887bd6ad7b099449f7d5870439db03b56b;hpb=ae5a370dcfeb1da2bb99a1c1143514d51bb9b707;p=lilypond.git diff --git a/lily/arpeggio.cc b/lily/arpeggio.cc index dfd112887b..80858426bc 100644 --- a/lily/arpeggio.cc +++ b/lily/arpeggio.cc @@ -1,164 +1,204 @@ -/* +/* arpeggio.cc -- implement Arpeggio source file of the GNU LilyPond music typesetter - - (c) 2000--2002 Jan Nieuwenhuizen - */ -#include "molecule.hh" -#include "paper-def.hh" + (c) 2000--2007 Jan Nieuwenhuizen +*/ + #include "arpeggio.hh" + +#include "bezier.hh" +#include "font-interface.hh" #include "grob.hh" -#include "stem.hh" +#include "lookup.hh" +#include "output-def.hh" +#include "pointer-group-interface.hh" #include "staff-symbol-referencer.hh" #include "staff-symbol.hh" +#include "stem.hh" #include "warn.hh" -#include "font-interface.hh" -#include "lookup.hh" -bool -Arpeggio::has_interface (Grob* me) +Grob * +Arpeggio::get_common_y (Grob *me) { - return me && me->has_interface (ly_symbol2scm ("arpeggio-interface")); -} + Grob *common = me; -MAKE_SCHEME_CALLBACK (Arpeggio, brew_molecule, 1); -SCM -Arpeggio::brew_molecule (SCM smob) -{ - Grob *me = unsmob_grob (smob); - - Grob * common = me; - for (SCM s = me->get_grob_property ("stems"); gh_pair_p (s); s = ly_cdr (s)) + extract_grob_set (me, "stems", stems); + for (vsize i = 0; i < stems.size (); i++) { - Grob * stem = unsmob_grob (ly_car (s)); - common = common->common_refpoint (Staff_symbol_referencer::staff_symbol_l (stem), - Y_AXIS); + Grob *stem = stems[i]; + common = common->common_refpoint (Staff_symbol_referencer::get_staff_symbol (stem), + Y_AXIS); } + return common; +} + +MAKE_SCHEME_CALLBACK(Arpeggio, calc_positions, 1); +SCM +Arpeggio::calc_positions (SCM grob) +{ + Grob *me = unsmob_grob (grob); + Grob *common = get_common_y (me); + /* TODO: - + Using stems here is not very convenient; should store noteheads instead, and also put them into the support. Now we will mess up in vicinity of a collision. - */ Interval heads; Real my_y = me->relative_coordinate (common, Y_AXIS); - - for (SCM s = me->get_grob_property ("stems"); gh_pair_p (s); s = ly_cdr (s)) + + extract_grob_set (me, "stems", stems); + for (vsize i = 0; i < stems.size (); i++) { - Grob * stem = unsmob_grob (ly_car (s)); - Grob * ss = Staff_symbol_referencer::staff_symbol_l (stem); - Interval iv =Stem::head_positions (stem); - iv *= Staff_symbol::staff_space (ss)/2.0; - + Grob *stem = stems[i]; + Grob *ss = Staff_symbol_referencer::get_staff_symbol (stem); + Interval iv = Stem::head_positions (stem); + iv *= Staff_symbol::staff_space (ss) / 2.0; + heads.unite (iv + ss->relative_coordinate (common, Y_AXIS) - my_y); } - if (heads.empty_b ()) + heads *= 1/Staff_symbol_referencer::staff_space(me); + + return ly_interval2scm (heads); +} + +MAKE_SCHEME_CALLBACK (Arpeggio, print, 1); +SCM +Arpeggio::print (SCM smob) +{ + Grob *me = unsmob_grob (smob); + Interval heads = robust_scm2interval (me->get_property ("positions"), + Interval()) + * Staff_symbol_referencer::staff_space (me); + + if (heads.is_empty () || heads.length () < 0.5) { - programming_error ("Huh? Dumb blonde encountered?"); - /* - Nee Valerie, jij bent _niet_ dom. - */ + if (!to_boolean (me->get_property ("transparent"))) + { + me->warning ("no heads for arpeggio found?"); + me->suicide (); + } return SCM_EOL; } + SCM ad = me->get_property ("arpeggio-direction"); Direction dir = CENTER; - if (ly_dir_p (me->get_grob_property ("arpeggio-direction"))) - { - dir = to_dir (me->get_grob_property ("arpeggio-direction")); - } - - Molecule mol; - Font_metric *fm =Font_interface::get_default_font (me); - Molecule squiggle = fm->find_by_name ("scripts-arpeggio"); + if (is_direction (ad)) + dir = to_dir (ad); - Real arrow_space = (dir) ? Staff_symbol_referencer::staff_space (me) : 0.0; - - Real y = heads[LEFT]; - while (y < heads[RIGHT] - arrow_space) + Stencil mol; + Font_metric *fm = Font_interface::get_default_font (me); + Stencil squiggle = fm->find_by_name ("scripts.arpeggio"); + + Stencil arrow; + if (dir) { - mol.add_at_edge (Y_AXIS, UP,squiggle, 0.0); - y+= squiggle. extent (Y_AXIS).length (); + arrow = fm->find_by_name ("scripts.arpeggio.arrow." + to_string (dir)); + heads[dir] -= dir * arrow.extent (Y_AXIS).length (); } + + for (Real y = heads[LEFT]; y < heads[RIGHT]; + y += squiggle.extent (Y_AXIS).length ()) + mol.add_at_edge (Y_AXIS, UP, squiggle, 0.0); + mol.translate_axis (heads[LEFT], Y_AXIS); if (dir) - mol.add_at_edge (Y_AXIS, dir, - fm->find_by_name ("scripts-arpeggio-arrow-" + to_str (dir)), 0.0); - - return mol.smobbed_copy () ; + mol.add_at_edge (Y_AXIS, dir, arrow, 0); + + return mol.smobbed_copy (); } -/* Draws a vertical bracket to the left of a chord +/* Draws a vertical bracket to the left of a chord Chris Jackson */ MAKE_SCHEME_CALLBACK (Arpeggio, brew_chord_bracket, 1); -SCM -Arpeggio::brew_chord_bracket (SCM smob) +SCM +Arpeggio::brew_chord_bracket (SCM smob) { Grob *me = unsmob_grob (smob); - - Grob * common = me; - for (SCM s = me->get_grob_property ("stems"); gh_pair_p (s); s = ly_cdr (s)) - { - Grob * stem = unsmob_grob (ly_car (s)); - common = common->common_refpoint (Staff_symbol_referencer::staff_symbol_l (stem), - Y_AXIS); - } + Interval heads = robust_scm2interval (me->get_property ("positions"), + Interval()) + * Staff_symbol_referencer::staff_space (me); - Interval heads; - Real my_y = me->relative_coordinate (common, Y_AXIS); - - for (SCM s = me->get_grob_property ("stems"); gh_pair_p (s); s = ly_cdr (s)) - { - Grob * stem = unsmob_grob (ly_car (s)); - Grob * ss = Staff_symbol_referencer::staff_symbol_l (stem); - Interval iv = Stem::head_positions (stem); - iv *= Staff_symbol::staff_space (ss)/2.0; - heads.unite (iv + ss->relative_coordinate (common, Y_AXIS) - my_y); - } - - Real lt = me->paper_l ()->get_var ("linethickness"); + Real lt = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness")); Real sp = 1.5 * Staff_symbol_referencer::staff_space (me); - Real dy = heads.length() + sp; + Real dy = heads.length () + sp; Real x = 0.7; - Molecule l1 = Lookup::line (lt, Offset(0, 0), Offset (0, dy)); - Molecule bottom = Lookup::line (lt, Offset(0, 0), Offset (x, 0)); - Molecule top = Lookup::line (lt, Offset(0, dy), Offset (x, dy)); - Molecule mol; - mol.add_molecule (l1); - mol.add_molecule (bottom); - mol.add_molecule (top); - mol.translate_axis (heads[LEFT] - sp/2.0, Y_AXIS); - return mol.smobbed_copy(); + Stencil mol (Lookup::bracket (Y_AXIS, Interval (0, dy), lt, x, lt)); + mol.translate_axis (heads[LEFT] - sp / 2.0, Y_AXIS); + return mol.smobbed_copy (); } +MAKE_SCHEME_CALLBACK (Arpeggio, brew_chord_slur, 1); +SCM +Arpeggio::brew_chord_slur (SCM smob) +{ + Grob *me = unsmob_grob (smob); + Interval heads = robust_scm2interval (me->get_property ("positions"), + Interval()) + * Staff_symbol_referencer::staff_space (me); + + Real lt = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness")); + Real dy = heads.length (); + + Real height_limit = 1.5; + Real ratio = .33; + Bezier curve = slur_shape (dy, height_limit, ratio); + curve.rotate (M_PI / 2); + + Stencil mol (Lookup::slur (curve, lt, lt)); + mol.translate_axis (heads[LEFT], Y_AXIS); + return mol.smobbed_copy (); +} /* - We have to do a callback, because brew_molecule () triggers a + We have to do a callback, because print () triggers a vertical alignment if it is cross-staff. - This callback also adds padding. */ -MAKE_SCHEME_CALLBACK (Arpeggio, width_callback,2); +MAKE_SCHEME_CALLBACK (Arpeggio, width, 1); SCM -Arpeggio::width_callback (SCM smob, SCM axis) +Arpeggio::width (SCM smob) { - Grob * me = unsmob_grob (smob); - Axis a = (Axis)gh_scm2int (axis); - assert (a == X_AXIS); - Molecule arpeggio = Font_interface::get_default_font (me)->find_by_name ("scripts-arpeggio"); + Grob *me = unsmob_grob (smob); + Stencil arpeggio = Font_interface::get_default_font (me)->find_by_name ("scripts.arpeggio"); + + return ly_interval2scm (arpeggio.extent (X_AXIS)); +} + +MAKE_SCHEME_CALLBACK (Arpeggio, height, 1); +SCM +Arpeggio::height (SCM smob) +{ + return Grob::stencil_height (smob); +} + +MAKE_SCHEME_CALLBACK (Arpeggio, pure_height, 3); +SCM +Arpeggio::pure_height (SCM smob, SCM, SCM) +{ + Grob *me = unsmob_grob (smob); + if (to_boolean (me->get_property ("cross-staff"))) + return ly_interval2scm (Interval ()); - return ly_interval2scm (arpeggio.extent (X_AXIS) * 1.5); + return height (smob); } +ADD_INTERFACE (Arpeggio, + "Functions and settings for drawing an arpeggio symbol (a" + " wavy line left to noteheads.", -ADD_INTERFACE (Arpeggio, "arpeggio-interface", - "Functions and settings for drawing an arpeggio symbol (a wavy line left to noteheads.", - "stems arpeggio-direction"); + /* properties */ + "arpeggio-direction " + "positions " + "script-priority " // TODO: make around-note-interface + "stems " + );