X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Fstaff-symbol.cc;h=b57d1191d43a910df22f033ce4248e1a7dae9022;hb=9091c04d20d3db4932ce023719973146ccc9d6ea;hp=0b15a94cfc4e6f974072215bfef704e601b504dc;hpb=b1323f33e9aa4b9eea05eefb8755c907d4d762d4;p=lilypond.git diff --git a/lily/staff-symbol.cc b/lily/staff-symbol.cc index 0b15a94cfc..b57d1191d4 100644 --- a/lily/staff-symbol.cc +++ b/lily/staff-symbol.cc @@ -3,32 +3,30 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2004 Han-Wen Nienhuys + (c) 1997--2005 Han-Wen Nienhuys */ +#include "staff-symbol.hh" + #include "lookup.hh" #include "dimensions.hh" -#include "paper-def.hh" -#include "stencil.hh" +#include "output-def.hh" #include "warn.hh" #include "item.hh" -#include "staff-symbol.hh" #include "staff-symbol-referencer.hh" #include "spanner.hh" - - -MAKE_SCHEME_CALLBACK (Staff_symbol,print,1); +MAKE_SCHEME_CALLBACK (Staff_symbol, print, 1); SCM Staff_symbol::print (SCM smob) { Grob *me = unsmob_grob (smob); - Spanner* sp = dynamic_cast (me); - Grob * common + Spanner *sp = dynamic_cast (me); + Grob *common = sp->get_bound (LEFT)->common_refpoint (sp->get_bound (RIGHT), X_AXIS); - - Real width = 0.0; + + Interval span_points (0, 0); /* For raggedright without ragged staffs, simply set width to the linewidth. @@ -36,97 +34,100 @@ Staff_symbol::print (SCM smob) (ok -- lousy UI, since width is in staff spaces) --hwn. - */ - SCM width_scm = me->get_property ("width"); - if (gh_number_p (width_scm)) - { + */ + Real t = me->get_layout ()->get_dimension (ly_symbol2scm ("linethickness")); + t *= robust_scm2double (me->get_property ("thickness"), 1.0); - /* - don't multiply by Staff_symbol_referencer::staff_space (me), - since that would make aligning staff symbols of different sizes to - one right margin hell. - */ - width = gh_scm2double (width_scm); - } - else + Direction d = LEFT; + do { - width = sp->get_bound (RIGHT)->relative_coordinate (common , X_AXIS); + SCM width_scm = me->get_property ("width"); + if (d == RIGHT && scm_is_number (width_scm)) + { + /* + don't multiply by Staff_symbol_referencer::staff_space (me), + since that would make aligning staff symbols of different sizes to + one right margin hell. + */ + span_points[RIGHT] = scm_to_double (width_scm); + } + else + { + Item *x = sp->get_bound (d); + + span_points[d] = x->relative_coordinate (common, X_AXIS); + if (!x->break_status_dir () + && !x->extent (x, X_AXIS).is_empty ()) + span_points[d] += x->extent (x, X_AXIS)[d]; + } + + span_points[d] -= d* t / 2; } + while (flip (&d) != LEFT); - // respect indentation, if any - width -= sp->get_bound (LEFT)->relative_coordinate (common, X_AXIS); + int l = Staff_symbol::line_count (me); - if (width < 0) - { - warning (_f ("staff symbol: indentation yields beyond end of line")); - width = 0; - } + Real height = (l - 1) * staff_space (me) / 2; + Stencil a + = Lookup::horizontal_line (span_points + -me->relative_coordinate (common, X_AXIS), + t); - Real t = me->get_paper ()->get_realvar (ly_symbol2scm ("linethickness")); - t *= robust_scm2double ( me->get_property("thickness"), 1.0); - - int l = Staff_symbol::line_count (me); - - Real height = (l-1) * staff_space (me) /2; Stencil m; - for (int i=0; i < l; i++) + for (int i = 0; i < l; i++) { - Stencil a = - Lookup::horizontal_line (Interval (0,width), t); - - a.translate_axis (height - i * staff_space (me), Y_AXIS); - m.add_stencil (a); + Stencil b (a); + b.translate_axis (height - i * staff_space (me), Y_AXIS); + m.add_stencil (b); } - return m.smobbed_copy (); } int -Staff_symbol::get_steps (Grob*me) +Staff_symbol::get_steps (Grob *me) { return line_count (me) * 2; } int -Staff_symbol::line_count (Grob*me) +Staff_symbol::line_count (Grob *me) { SCM c = me->get_property ("line-count"); - if (gh_number_p (c)) - return gh_scm2int (c); + if (scm_is_number (c)) + return scm_to_int (c); else return 0; } Real -Staff_symbol::staff_space (Grob*me) +Staff_symbol::staff_space (Grob *me) { - return robust_scm2double ( me->get_property ("staff-space"), 1.0); + return robust_scm2double (me->get_property ("staff-space"), 1.0); } Real -Staff_symbol::get_line_thickness (Grob* me) +Staff_symbol::get_line_thickness (Grob *me) { - Real lt = me->get_paper ()->get_realvar (ly_symbol2scm ("linethickness")); + Real lt = me->get_layout ()->get_dimension (ly_symbol2scm ("linethickness")); return robust_scm2double (me->get_property ("thickness"), 1.0) * lt; } Real -Staff_symbol::get_ledger_line_thickness (Grob * me) +Staff_symbol::get_ledger_line_thickness (Grob *me) { SCM lt_pair = me->get_property ("ledger-line-thickness"); Offset z = robust_scm2offset (lt_pair, Offset (1.0, 0.1)); - - return z[X_AXIS] * get_line_thickness(me) + z[Y_AXIS]* staff_space (me); -} + return z[X_AXIS] * get_line_thickness (me) + z[Y_AXIS] * staff_space (me); +} -ADD_INTERFACE (Staff_symbol,"staff-symbol-interface", +ADD_INTERFACE (Staff_symbol, "staff-symbol-interface", "This spanner draws the lines of a staff. " "A staff symbol definines a vertical unit, the staff space. " "Quantities that go by a half staff space are called positions " "The center (i.e. middle line " "or space) is position 0. The length of the symbol may be set by hand " "through the @code{width} property. ", - - "ledger-line-thickness width staff-space thickness line-count"); + + "ledger-line-thickness width staff-space thickness line-count");