X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsystem-start-delimiter.cc;h=9c59d8930ee195d10566bb2a32aa2e1aad8f2c55;hb=333ec20b00d7e6952cb7d3800a82548957feb803;hp=811a4171e35f7635e8a20743e55f4deef5aadb21;hpb=4f2e88a2b5914c2fcf5a5bd133f3b4f6492c6dd4;p=lilypond.git diff --git a/lily/system-start-delimiter.cc b/lily/system-start-delimiter.cc index 811a4171e3..9c59d8930e 100644 --- a/lily/system-start-delimiter.cc +++ b/lily/system-start-delimiter.cc @@ -3,7 +3,7 @@ source file of the GNU LilyPond music typesetter - (c) 2000--2001 Han-Wen Nienhuys + (c) 2000--2004 Han-Wen Nienhuys */ #include @@ -11,28 +11,28 @@ #include "axis-group-interface.hh" #include "system-start-delimiter.hh" #include "paper-def.hh" -#include "molecule.hh" +#include "stencil.hh" #include "font-interface.hh" #include "all-font-metrics.hh" #include "grob.hh" #include "staff-symbol-referencer.hh" #include "lookup.hh" -Molecule +Stencil System_start_delimiter::staff_bracket (Grob*me,Real height) { - Real arc_height = gh_scm2double (me->get_grob_property ("arch-height")) ; + Real arc_height = ly_scm2double (me->get_property ("arch-height")) ; - SCM at = gh_list (ly_symbol2scm ("bracket"), - me->get_grob_property ("arch-angle"), - me->get_grob_property ("arch-width"), - gh_double2scm (arc_height), - gh_double2scm (height), - me->get_grob_property ("arch-thick"), - me->get_grob_property ("bracket-thick"), + SCM at = scm_list_n (ly_symbol2scm ("bracket"), + me->get_property ("arch-angle"), + me->get_property ("arch-width"), + scm_make_real (arc_height), + scm_make_real (height), + me->get_property ("arch-thick"), + me->get_property ("thickness"), SCM_UNDEFINED); - /* +/* TODO: sort this out. Another thing: @@ -47,35 +47,25 @@ But I really think that you mean (arc_height changes the x-axis-size of arc ; arc_width changes the y-axis-size) Will not fix it since I'm not sure. - --Rune */ + Real h = height + 2 * arc_height; Box b (Interval (0, 1.5), Interval (-h/2, h/2)); - Molecule mol (b, at); + Stencil mol (b, at); mol.align_to (X_AXIS, CENTER); return mol; } -void -System_start_delimiter::set_interface (Grob*me) -{ - me->set_interface (ly_symbol2scm ("system-start-delimiter-interface")); -} -bool -System_start_delimiter::has_interface (Grob*me) -{ - return me->has_interface (ly_symbol2scm ("system-start-delimiter-interface")); -} -Molecule +Stencil System_start_delimiter::simple_bar (Grob*me,Real h) { - Real w = me->paper_l ()->get_var ("stafflinethickness") * - gh_scm2double (me->get_grob_property ("thickness")); - return Lookup::filledbox (Box (Interval (0,w), Interval (-h/2, h/2))); + Real lt =me->get_paper ()->get_dimension (ly_symbol2scm ("linethickness")) ; + Real w = lt * robust_scm2double (me->get_property ("thickness"), 1); + return Lookup::round_filled_box (Box (Interval (0,w), Interval (-h/2, h/2)), + lt); } MAKE_SCHEME_CALLBACK (System_start_delimiter,after_line_breaking,1); @@ -83,97 +73,116 @@ MAKE_SCHEME_CALLBACK (System_start_delimiter,after_line_breaking,1); SCM System_start_delimiter::after_line_breaking (SCM smob) { - try_collapse (unsmob_grob (smob)); - return SCM_UNSPECIFIED; -} - -void -System_start_delimiter::try_collapse (Grob*me) -{ - SCM gl = me->get_grob_property ("glyph"); - - if (scm_ilength (me->get_grob_property ("elements")) <= 1 && gl == ly_symbol2scm ("bar-line")) + Grob * me = unsmob_grob (smob); + SCM gl = me->get_property ("glyph"); + if (is_equal (gl,scm_makfrom0str ("bar-line"))) { - me->suicide (); - } + int count = 0; + + /* + Get all coordinates, to trigger Hara kiri. + */ + SCM elts = me->get_property ("elements"); + Grob *common = common_refpoint_of_list (elts, me, Y_AXIS); + for (SCM s = elts; is_pair (s); s = ly_cdr (s)) + { + Interval v = unsmob_grob (ly_car (s))->extent (common, Y_AXIS); + + if (!v.is_empty ()) + count ++; + } + + if (count <= 1) + { + me->suicide (); + } + } + return SCM_UNSPECIFIED; } -MAKE_SCHEME_CALLBACK (System_start_delimiter,brew_molecule,1); - +MAKE_SCHEME_CALLBACK (System_start_delimiter,print,1); SCM -System_start_delimiter::brew_molecule (SCM smob) +System_start_delimiter::print (SCM smob) { Grob * me = unsmob_grob (smob); - SCM s = me->get_grob_property ("glyph"); - if (!gh_symbol_p (s)) + SCM s = me->get_property ("glyph"); + if (!is_string (s)) return SCM_EOL; - - SCM c = me->get_grob_property ((ly_symbol2string (s) + "-collapse-height") - .ch_C ()); + SCM gsym = scm_string_to_symbol (s) ; Real staff_space = Staff_symbol_referencer::staff_space (me); Interval ext = ly_scm2interval (Axis_group_interface::group_extent_callback - (me->self_scm (), gh_int2scm (Y_AXIS))); + (me->self_scm (), scm_int2num (Y_AXIS))); Real l = ext.length () / staff_space; - if (ext.empty_b () - || (gh_number_p (c) && l <= gh_scm2double (c))) + if (ext.is_empty () + || (robust_scm2double (me->get_property ("collapse-height"), 0.0) >= l)) { me->suicide (); return SCM_EOL; } - Molecule m; - if (s == ly_symbol2scm ("bracket")) + Stencil m; + + if (gsym== ly_symbol2scm ("bracket")) m = staff_bracket (me,l); - else if (s == ly_symbol2scm ("brace")) + else if (gsym == ly_symbol2scm ("brace")) m = staff_brace (me,l); - else if (s == ly_symbol2scm ("bar-line")) + else if (gsym == ly_symbol2scm ("bar-line")) m = simple_bar (me,l); m.translate_axis (ext.center (), Y_AXIS); return m.smobbed_copy (); } -Molecule -System_start_delimiter::staff_brace (Grob*me,Real y) +Stencil +System_start_delimiter::staff_brace (Grob*me, Real y) { + Font_metric *fm = 0; + + /* We go through the style sheet to lookup the font file + name. This is better than using find_font directly, + esp. because that triggers mktextfm for non-existent + fonts. */ + SCM fam = scm_cons (ly_symbol2scm ("font-encoding"), ly_symbol2scm ("fetaBraces")); + + SCM alist = scm_list_n (fam, SCM_UNDEFINED); + fm = select_font (me->get_paper (), scm_list_n (alist, SCM_UNDEFINED)); + - /* - FIXME: should look at afm/tfm file for dimensions. - - (This breaks ascii-art output: it hasn't got 255 symbols) - */ - - // ugrhn int lo = 0; - int hi = 255; - - Font_metric *fm = Font_interface::get_default_font (me); + + int hi = (fm->count () - 1) >? 2; Box b; /* do a binary search for each Y, not very efficient, but passable? */ do - { - int cmp = (lo + hi) / 2; - - b = fm->get_char (cmp); - if (b[Y_AXIS].empty_b () || b[Y_AXIS].length () > y) - hi = cmp; - else - lo = cmp; + { + int cmp = (lo + hi) / 2; + b = fm->get_indexed_char (cmp); + if (b[Y_AXIS].is_empty () || b[Y_AXIS].length () > y) + hi = cmp; + else + lo = cmp; } while (hi - lo > 1); - - SCM at = gh_list (ly_symbol2scm ("char"), gh_int2scm (lo), SCM_UNDEFINED); - at = fontify_atom (fm, at); - - b = fm->get_char (lo); + + Stencil m (fm->get_indexed_char_stencil (lo)); // ugh. ascii? + b=m.extent_box (); b[X_AXIS] = Interval (0,0); - return Molecule (b, at); + return Stencil (b, m.get_expr ()); } + + + +ADD_INTERFACE (System_start_delimiter,"system-start-delimiter-interface", + "The brace, bracket or bar in front of the system. " + "It is implemented as a spanner." + , + "collapse-height thickness " + "arch-height arch-angle arch-thick arch-width bracket-thick glyph");