-/*
+/*
text-item.cc -- implement Text_item
source file of the GNU LilyPond music typesetter
+
+ (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
+ */
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
-
-
-#include "musical-request.hh"
-#include "paper-def.hh"
+#include "debug.hh"
#include "text-item.hh"
-#include "stem.hh"
-#include "molecule.hh"
+#include "paper-def.hh"
#include "lookup.hh"
-#include "debug.hh"
+#include "staff-symbol-referencer.hh"
+#include "staff-symbol-referencer.hh"
+#include "main.hh"
+#include "all-font-metrics.hh"
+#include "afm.hh"
+
-Text_item::Text_item (General_script_def* tdef_l, Direction d)
+/*
+ TEXT : STRING | (MARKUP SENTENCE)
+ MARKUP: PROPERTY | ABBREV
+ SENTENCE: TEXT | SENTENCE TEXT
+ PROPERTY: (key . value)
+ ABBREV: rows lines roman music bold italic named super sub text, or any font-style
+ */
+Molecule
+Text_item::text2molecule (Score_element *me, SCM text, SCM properties)
{
- dir_ = d;
- fat_b_ = false;
- tdef_p_ = tdef_l->clone ();
+ if (gh_string_p (text))
+ return string2molecule (me, text, properties);
+ else if (gh_list_p (text))
+ {
+ if (!gh_pair_p (gh_car (text)) && gh_string_p (gh_car (text)))
+ return string2molecule (me, gh_car (text), properties);
+ else
+ return markup_sentence2molecule (me, text, properties);
+ }
+ return Molecule ();
}
-Text_item::~Text_item ()
+static
+SCM
+get_elt_property (Score_element *me, char const *name)
{
- delete tdef_p_;
+ SCM s = me->get_elt_property (name);
+ if (s == SCM_EOL)
+ error (_f ("No `%s' defined for %s", name, me->name ()));
+ return s;
}
-void
-Text_item::do_pre_processing ()
+Molecule
+Text_item::string2molecule (Score_element *me, SCM text, SCM properties)
{
- if (!dir_)
- dir_ = DOWN;
+ SCM style = scm_assoc (ly_symbol2scm ("font-style"), properties);
+ SCM paper = me->get_elt_property ("style-sheet");
+ if (paper == SCM_EOL)
+ paper = scm_string_to_symbol (me->paper_l ()->get_scmvar ("style_sheet"));
+
+ SCM font_name;
+ if (gh_pair_p (style))
+ {
+ SCM f = get_elt_property (me, "style-to-font-name");
+ font_name = gh_call2 (f, paper, gh_cdr (style));
+ }
+ else
+ {
+ SCM f = get_elt_property (me, "properties-to-font-name");
+ font_name = gh_call2 (f, paper, properties);
+ }
+
+ // should move fallback to scm
+ if (!gh_string_p (font_name))
+ font_name = ly_str02scm ("cmr10");
+
+ SCM lookup = scm_assoc (ly_symbol2scm ("lookup"), properties);
+
+ Molecule mol;
+ if (gh_pair_p (lookup) && ly_symbol2string (gh_cdr (lookup)) == "name")
+ mol = lookup_character (me, font_name, text);
+ else
+ mol = lookup_text (me, font_name, text);
+
+ return mol;
}
-Real
-Text_item::get_position_f () const
+/*
+ caching / use some form of Lookup without 'paper'?
+*/
+Molecule
+Text_item::lookup_character (Score_element *me, SCM font_name, SCM char_name)
{
- // uhuh, tdef/gdef?
- if (Text_def *tdl = dynamic_cast<Text_def*>(tdef_p_))
+ Adobe_font_metric *afm = all_fonts_global_p->find_afm (ly_scm2string (font_name));
+
+ if (!afm)
{
- if (tdl->style_str_ != "finger") // HUHH?
- return Staff_side::get_position_f ();
+ warning (_f ("can't find font: `%s'", ly_scm2string (font_name)));
+ warning (_f ("(search path: `%s')", global_path.str ().ch_C()));
+ error (_ ("Aborting"));
}
+
+ AFM_CharMetricInfo const *metric =
+ afm->find_char_metric (ly_scm2string (char_name), true);
- if (!dir_)
+ if (!metric)
{
- warning (_ ("Text_item::get_position_f(): "
- "somebody forgot to set my vertical direction, returning -20"));
- return -20;
+ Molecule m;
+ m.set_empty (false);
+ return m;
}
- Interval v = support_extent ();
- // add no extra: fingers should be just above note, no?
- return v[dir_];
+ SCM list = gh_list (ly_symbol2scm ("char"),
+ gh_int2scm (metric->code),
+ SCM_UNDEFINED);
+
+ list = fontify_atom (afm, list);
+ return Molecule (afm_bbox_to_box (metric->charBBox), list);
}
-Interval
-Text_item::symbol_height () const
+Molecule
+Text_item::lookup_text (Score_element *me, SCM font_name, SCM text)
{
- return tdef_p_->get_atom (paper (), dir_).dim_.y ();
-}
+ SCM magnification = me->get_elt_property ("font-magnification");
+ Font_metric* metric = 0;
+ if (gh_number_p (magnification))
+ metric = all_fonts_global_p->find_scaled (ly_scm2string (font_name),
+ gh_scm2int (magnification));
+ else
+ metric = all_fonts_global_p->find_font (ly_scm2string (font_name));
+
+ SCM list = gh_list (ly_symbol2scm ("text"), text, SCM_UNDEFINED);
+ list = fontify_atom (metric, list);
-Molecule*
-Text_item::brew_molecule_p () const
+ return Molecule (metric->text_dimension (ly_scm2string (text)), list);
+}
+
+Molecule
+Text_item::markup_sentence2molecule (Score_element *me, SCM markup_sentence,
+ SCM properties)
{
- Atom a (tdef_p_->get_atom (paper (), dir_));
+ SCM markup = gh_car (markup_sentence);
+ SCM sentence = gh_cdr (markup_sentence);
+ SCM f = get_elt_property (me, "markup-to-properties");
+ SCM p = gh_append2 (gh_call1 (f, markup), properties);
+
+ Axis align = X_AXIS;
+ SCM a = scm_assoc (ly_symbol2scm ("align"), p);
+ if (gh_pair_p (a) && gh_number_p (gh_cdr (a)))
+ align = (Axis)gh_scm2int (gh_cdr (a));
+
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+ Real kern = 0;
+ SCM k = scm_assoc (ly_symbol2scm ("kern"), p);
+ if (gh_pair_p (k) && gh_number_p (gh_cdr (k)))
+ kern = gh_scm2double (gh_cdr (k)) * staff_space;
+
+ Real raise = 0;
+ SCM r = scm_assoc (ly_symbol2scm ("raise"), p);
+ if (gh_pair_p (r) && gh_number_p (gh_cdr (r)))
+ raise = gh_scm2double (gh_cdr (r)) * staff_space;
+
+ Offset o (align == X_AXIS ? kern : 0,
+ (align == Y_AXIS ? - kern : 0) + raise);
+
+ Molecule mol;
+ while (gh_pair_p (sentence))
+ {
+ Molecule m = text2molecule (me, gh_car (sentence), p);
+ if (!m.empty_b ())
+ {
+ m.translate (o);
+ mol.add_at_edge (align, align == X_AXIS ? RIGHT : DOWN, m, 0);
+ }
+ sentence = gh_cdr (sentence);
+ }
+ return mol;
+}
+MAKE_SCHEME_CALLBACK (Text_item, brew_molecule, 1);
+SCM
+Text_item::brew_molecule (SCM smob)
+{
+ Score_element *me = unsmob_element (smob);
+
+ SCM text = me->get_elt_property ("text");
- if (fat_b_)
- a.dim_[X_AXIS] = tdef_p_->width (paper ());
- Molecule* mol_p = new Molecule (a);
+ SCM properties = gh_append2 (me->immutable_property_alist_,
+ me->mutable_property_alist_);
- if (dir_<0) // should do something better anyway.
- mol_p->translate_axis (mol_p->extent ().y ().left , Y_AXIS);
- mol_p->translate_axis (coordinate_offset_f_, Y_AXIS);
- // fine for one lyric, urg for lyric chord
- mol_p->translate_axis (a.dim_.y ().length (), Y_AXIS);
+ Molecule mol = Text_item::text2molecule (me, text, properties);
- return mol_p;
+ SCM space = me->get_elt_property ("word-space");
+ if (gh_number_p (space))
+ {
+ Molecule m;
+ m.set_empty (false);
+ mol.add_at_edge (X_AXIS, RIGHT, m, gh_scm2double (space)
+ * Staff_symbol_referencer::staff_space (me));
+ }
+ return mol.create_scheme ();
}
-
-
projects / lilypond.git / blobdiff