(c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
*/
+#include <math.h>
+#include "debug.hh"
#include "text-item.hh"
#include "paper-def.hh"
-#include "lookup.hh"
+#include "font-metric.hh"
#include "staff-symbol-referencer.hh"
#include "staff-symbol-referencer.hh"
#include "main.hh"
#include "all-font-metrics.hh"
#include "afm.hh"
+
/*
- text: string | (markup sentence)
- markup: markup-symbol | (markup-symbol . parameter)
- sentence: text | sentence text
-
+ 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
+ */
+
+/*
+ TODO:
+
+ rewrite routines and syntax to be like
+
+ TEXT: STRING
+ | (head-expression* TEXT*)
+ ;
- Properties:
+ head-expression is a list, containing a tag and a variable number of
+ arguments. If necessary, the number of arguments can be stored in a alist,
- * Font:
- ---* Type:
- ------* Series: medium, bold
- ------* Shape: upright, italic, slanted
- ------* Family: roman, music, orator, typewriter
+ '(
+ (tag1 . argcount1)
+ (tag2 . argcount2)
- ---* Size:
- ------* size: ...,-2,-1,0,1,2,... (style-sheet -> cmrXX, fetaXX)
- ------* points: 11,13,16,20,23,26 (for feta)
- ------* magnification: UNSIGNED
+ ... etc
+
+ )
- * Typesetting:
- ---* kern: INT (staff-space)
- ---* align: horizontal/vertical / lines / rows
+ or even entries like
+
+ (tag . (argcount function-to-handle-the-tag ))
+
*/
+
Molecule
-Text_item::text2molecule (Score_element *me, SCM text, SCM properties)
+Text_item::text2molecule (Score_element *me, SCM text, SCM alist_chain)
{
if (gh_string_p (text))
- return string2molecule (me, text, properties);
+ return string2molecule (me, text, alist_chain);
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);
+ return string2molecule (me, gh_car (text), alist_chain);
else
- return markup_sentence2molecule (me, text, properties);
+ return markup_sentence2molecule (me, text, alist_chain);
}
return Molecule ();
}
+SCM
+ly_assoc_chain (SCM key, SCM achain)
+{
+ if (gh_pair_p (achain))
+ {
+ SCM handle = scm_assoc (key, gh_car (achain));
+ if (gh_pair_p (handle))
+ return handle;
+ else
+ return ly_assoc_chain (key, gh_cdr (achain));
+ }
+ else
+ return SCM_BOOL_F;
+}
+
Molecule
-Text_item::string2molecule (Score_element *me, SCM text, SCM properties)
+Text_item::string2molecule (Score_element *me, SCM text, SCM alist_chain)
{
- SCM style = scm_assoc (ly_symbol2scm ("font-style"), properties);
- SCM paper = me->get_elt_property ("style-sheet");
- SCM font_name;
- if (gh_pair_p (style))
+ SCM style = ly_assoc_chain (ly_symbol2scm ("font-style"),
+ alist_chain);
+ if (gh_pair_p (style))
+ style = gh_cdr (style);
+
+ SCM sheet = me->paper_l ()->style_sheet_;
+
+ if (gh_symbol_p (style))
{
- SCM f = me->get_elt_property ("style-to-font-name");
- font_name = gh_call2 (f, paper, gh_cdr (style));
+ SCM style_alist = gh_cdr (scm_assoc (ly_symbol2scm ("style-alist"), sheet));
+ SCM entry = scm_assoc (style, style_alist);
+ entry = gh_pair_p (entry) ? gh_cdr (entry) : SCM_EOL;
+ alist_chain = gh_cons (entry, alist_chain);
}
+
+ SCM fonts = gh_cdr (scm_assoc (ly_symbol2scm ("fonts"), sheet));
+ SCM proc = gh_cdr (scm_assoc (ly_symbol2scm ("properties-to-font"), sheet));
+ SCM font_name = gh_call2 (proc, fonts, alist_chain);
+
+ SCM lookup = ly_assoc_chain (ly_symbol2scm ("lookup"), alist_chain);
+
+ 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;
+}
+
+Molecule
+Text_item::lookup_character (Score_element *me, SCM font_name, SCM char_name)
+{
+ Adobe_font_metric *afm = all_fonts_global_p->find_afm (ly_scm2string (font_name));
+
+ if (!afm)
{
- SCM f = me->get_elt_property ("properties-to-font-name");
- font_name = gh_call2 (f, paper, properties);
+ warning (_f ("can't find font: `%s'", ly_scm2string (font_name)));
+ warning (_f ("(search path: `%s')", global_path.str ().ch_C()));
+ error (_ ("Aborting"));
}
- String font_str = "roman";
- if (gh_string_p (font_name))
- font_str = ly_scm2string (font_name);
-
- SCM magnification = me->get_elt_property ("font-magnification");
+ Font_metric * fm = afm;
+
+ return fm->find_by_name (ly_scm2string (char_name));
+}
- Font_metric* metric_l = 0;
+
+Molecule
+Text_item::lookup_text (Score_element *me, SCM font_name, SCM text)
+{
+ SCM magnification = me->get_elt_property ("font-magnification");
+ Font_metric* metric = 0;
if (gh_number_p (magnification))
- metric_l = all_fonts_global_p->find_scaled (font_str,
- gh_scm2int (magnification));
+ {
+ Real realmag = pow (1.2, gh_scm2int (magnification));
+ metric = all_fonts_global_p->find_scaled (ly_scm2string (font_name), realmag);
+ }
else
- metric_l = all_fonts_global_p->find_font (font_str);
-
+ 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_l, list);
-
- return Molecule (metric_l->text_dimension (ly_scm2string (text)), list);
+ list = fontify_atom (metric, list);
+
+ return Molecule (metric->text_dimension (ly_scm2string (text)), list);
}
Molecule
Text_item::markup_sentence2molecule (Score_element *me, SCM markup_sentence,
- SCM properties)
+ SCM alist_chain)
{
+ SCM sheet = me->paper_l ()->style_sheet_;
+ SCM f = gh_cdr (scm_assoc (ly_symbol2scm ("markup-to-properties"), sheet));
SCM markup = gh_car (markup_sentence);
SCM sentence = gh_cdr (markup_sentence);
- SCM f = me->get_elt_property ("markup-to-properties");
- SCM p = gh_cons (gh_call1 (f, markup), properties);
+ SCM p = gh_cons (gh_call2 (f, sheet, markup), alist_chain);
Axis align = X_AXIS;
- SCM a = scm_assoc (ly_symbol2scm ("align"), p);
+ SCM a = ly_assoc_chain (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 = ly_assoc_chain (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 = ly_assoc_chain (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 ())
- mol.add_at_edge (align, align == X_AXIS ? RIGHT : DOWN, m, 0);
+ {
+ 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)
+Text_item::brew_molecule (SCM smob)
{
Score_element *me = unsmob_element (smob);
- SCM text = me->get_elt_property ("scm-text");
- Molecule mol;
- if (text == SCM_EOL)
- {
- SCM style = me->get_elt_property ("style");
- String st = gh_string_p (style) ? ly_scm2string (style) : "";
- SCM text = me->get_elt_property ("text");
- String t = gh_string_p (text) ? ly_scm2string (text) : "";
-
- mol = me->paper_l ()->lookup_l (0)->text (st, t, me->paper_l ());
- }
- else
- mol = text2molecule (me, text,
- gh_append2 (me->immutable_property_alist_,
- me->mutable_property_alist_));
+ SCM text = me->get_elt_property ("text");
+
+ SCM properties = gh_list (me->immutable_property_alist_,
+ me->mutable_property_alist_, SCM_UNDEFINED);
+
+ Molecule mol = Text_item::text2molecule (me, text, properties);
SCM space = me->get_elt_property ("word-space");
if (gh_number_p (space))
projects / lilypond.git / blobdiff