X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftext-item.cc;h=fef4babe23d08c088616013472c6e0a198affb5b;hb=11b3094461e045deafd0e2b1cef8c60f79e259a1;hp=034173e7c5688a18c6fe3d292b99340a9b91f0cd;hpb=bb36bac02a64770871780231ecc709cb18b20932;p=lilypond.git diff --git a/lily/text-item.cc b/lily/text-item.cc index 034173e7c5..fef4babe23 100644 --- a/lily/text-item.cc +++ b/lily/text-item.cc @@ -3,27 +3,85 @@ source file of the GNU LilyPond music typesetter - (c) 1998--2000 Han-Wen Nienhuys - + (c) 1998--2003 Han-Wen Nienhuys + Jan Nieuwenhuizen */ +#include +#include "warn.hh" +#include "grob.hh" #include "text-item.hh" -#include "debug.hh" -#include "molecule.hh" +#include "font-interface.hh" +#include "virtual-font-metric.hh" #include "paper-def.hh" -#include "lookup.hh" -Molecule* -Text_item::do_brew_molecule_p () const +MAKE_SCHEME_CALLBACK(Text_item,interpret_markup,3); +SCM +Text_item::interpret_markup (SCM paper, SCM props, SCM markup) { - SCM style = get_elt_property ("style"); - String st = gh_string_p (style) ? ly_scm2string (style) : ""; - SCM txt = get_elt_property ("text"); - String t = gh_string_p (txt) ? ly_scm2string (txt) : ""; + if (gh_string_p (markup)) + { + Paper_def *pap = unsmob_paper (paper); + Font_metric *fm = select_font (pap, props); - Molecule a= paper_l ()->lookup_l(0)->text (st, t, paper_l ()); + SCM list = scm_list_n (ly_symbol2scm ("text"), markup, SCM_UNDEFINED); + + if (dynamic_cast (fm)) + { + /* + ARGH. + */ + programming_error ("Can't use virtual font for text."); + } + else + list = fontify_atom (fm, list); - return new Molecule (a); + Box b = fm->text_dimension (ly_scm2string (markup)); + return Molecule (b, list).smobbed_copy(); + } + else if (gh_pair_p (markup)) + { + SCM func = gh_car (markup); + SCM args = gh_cdr (markup); + if (!markup_p (markup)) + programming_error ("Markup head has no markup signature."); + + return scm_apply_2 (func, paper, props, args); + } + else + { + return SCM_EOL; + } } +MAKE_SCHEME_CALLBACK(Text_item,brew_molecule,1); +SCM +Text_item::brew_molecule (SCM grob) +{ + Grob * me = unsmob_grob (grob); + + SCM t = me->get_grob_property ("text"); + SCM chain = Font_interface::font_alist_chain (me); + return interpret_markup (me->get_paper ()->self_scm (), chain, t); +} + + +/* + Ugh. Duplicated from Scheme. + */ +bool +Text_item::markup_p (SCM x) +{ + return + gh_string_p (x) || + (gh_pair_p (x) + && SCM_BOOL_F != scm_object_property (gh_car (x), ly_symbol2scm ("markup-signature"))); +} + +ADD_INTERFACE (Text_item,"text-interface", + "A scheme markup text, see @ref{Markup functions}.", + "text baseline-skip word-space"); + + +