/*
- output-def-scheme.cc -- implement Output_def bindings
+ output-def-scheme.cc -- implement Output_def bindings
source file of the GNU LilyPond music typesetter
- (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
+ (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "font-metric.hh"
#include "output-def.hh"
+
+#include "pango-font.hh"
+#include "modified-font-metric.hh"
#include "ly-module.hh"
#include "context-def.hh"
+#include "lily-parser.hh"
LY_DEFINE (ly_layout_lookup, "ly:output-def-lookup",
- 2, 0, 0, (SCM pap, SCM sym),
+ 2, 1, 0, (SCM pap, SCM sym, SCM def),
"Lookup @var{sym} in @var{pap}. "
- "Return the value or @code{'()} if undefined.")
+ "Return the value or @var{def} (which defaults to @code{'()}) if undefined.")
{
Output_def *op = unsmob_output_def (pap);
SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Output_def");
SCM_ASSERT_TYPE (scm_is_symbol (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
- return op->lookup_variable (sym);
+ SCM answer = op->lookup_variable (sym);
+ if (answer == SCM_UNDEFINED)
+ {
+ if (def == SCM_UNDEFINED)
+ def = SCM_EOL;
+
+ answer = def;
+ }
+
+ return answer;
}
LY_DEFINE (ly_output_def_scope, "ly:output-def-scope",
{
Output_def *op = unsmob_output_def (def);
SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
- SCM s = op->clone ()->self_scm ();
- scm_gc_unprotect_object (s);
- return s;
+
+ Output_def *clone = op->clone ();
+ return clone->unprotect ();
}
LY_DEFINE (ly_output_description, "ly:output-description",
"Return the description of translators in @var{output-def}.")
{
Output_def *id = unsmob_output_def (output_def);
-
- SCM al = ly_module2alist (id->scope_);
+ SCM al = ly_module2alist (id->scope_);
SCM ell = SCM_EOL;
for (SCM s = al; scm_is_pair (s); s = scm_cdr (s))
{
- Context_def * td = unsmob_context_def (scm_cdar (s));
+ Context_def *td = unsmob_context_def (scm_cdar (s));
SCM key = scm_caar (s);
if (td && key == td->get_context_name ())
- ell = scm_cons (scm_cons (key, td->to_alist ()), ell);
+ ell = scm_cons (scm_cons (key, td->to_alist ()), ell);
}
- return ell;
+ return ell;
}
-LY_DEFINE (ly_layout_def_p, "ly:layout-def?",
+LY_DEFINE (ly_output_def_p, "ly:output-def?",
1, 0, 0, (SCM def),
"Is @var{def} a layout definition?")
{
}
LY_DEFINE (ly_paper_outputscale, "ly:paper-outputscale",
- 1, 0, 0, (SCM bp),
- "Get outputscale for BP.")
+ 1, 0, 0, (SCM bp),
+ "Get output-scale for BP.")
{
Output_def *b = unsmob_output_def (bp);
SCM_ASSERT_TYPE (b, bp, SCM_ARG1, __FUNCTION__, "paper");
- return scm_make_real (output_scale (b));
+ return scm_from_double (output_scale (b));
}
LY_DEFINE (ly_make_output_def, "ly:make-output-def",
0, 0, 0, (),
"Make a output def.")
{
- Output_def *bp = new Output_def ;
- return scm_gc_unprotect_object (bp->self_scm ());
+ Output_def *bp = new Output_def;
+ return bp->unprotect ();
}
LY_DEFINE (ly_paper_get_font, "ly:paper-get-font", 2, 0, 0,
Output_def *paper = unsmob_output_def (paper_smob);
SCM_ASSERT_TYPE (paper, paper_smob, SCM_ARG1,
__FUNCTION__, "paper definition");
-
+
Font_metric *fm = select_font (paper, chain);
return fm->self_scm ();
}
Output_def *layout = unsmob_output_def (layout_smob);
SCM_ASSERT_TYPE (layout, layout_smob, SCM_ARG1,
__FUNCTION__, "layout definition");
- return scm_make_real (layout->get_dimension (name));
+ return scm_from_double (layout->get_dimension (name));
+}
+
+LY_DEFINE (ly_paper_fonts, "ly:paper-fonts",
+ 1, 0, 0,
+ (SCM bp),
+ "Return fonts from the @code{\\paper} block @var{bp}.")
+{
+ Output_def *b = unsmob_output_def (bp);
+
+ SCM_ASSERT_TYPE (b, bp, SCM_ARG1, __FUNCTION__, "paper");
+
+ SCM tab1 = b->lookup_variable (ly_symbol2scm ("scaled-fonts"));
+ SCM tab2 = b->lookup_variable (ly_symbol2scm ("pango-fonts"));
+
+ SCM alist1 = SCM_EOL;
+ if (scm_hash_table_p (tab1) == SCM_BOOL_T)
+ {
+ alist1 = scm_append (ly_alist_vals (ly_hash2alist (tab1)));
+
+ alist1 = ly_alist_vals (alist1);
+ }
+
+ SCM alist2 = SCM_EOL;
+ if (scm_hash_table_p (tab2) == SCM_BOOL_T)
+ {
+ // strip original-fonts/pango-font-descriptions
+ alist2 = scm_append (ly_alist_vals (ly_hash2alist (tab2)));
+
+ // strip size factors
+ alist2 = ly_alist_vals (alist2);
+ }
+
+ SCM alist = scm_append (scm_list_2 (alist1, alist2));
+ SCM font_list = SCM_EOL;
+ for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
+ {
+ SCM entry = scm_car (s);
+
+ Font_metric *fm = unsmob_metrics (entry);
+
+ if (dynamic_cast<Modified_font_metric *> (fm)
+ || dynamic_cast<Pango_font *> (fm))
+ font_list = scm_cons (fm->self_scm (), font_list);
+ }
+
+ return font_list;
}