/*
- 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--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "font-metric.hh"
+#include "output-def.hh"
+
#include "pango-font.hh"
#include "modified-font-metric.hh"
-#include "output-def.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),
- "Lookup @var{sym} in @var{pap}. "
- "Return the value or @code{'()} if undefined.")
+LY_DEFINE (ly_output_def_lookup, "ly:output-def-lookup",
+ 2, 1, 0, (SCM pap, SCM sym, SCM def),
+ "Look up @var{sym} in the @var{pap} output definition"
+ " (e.g., @code{\\paper}). Return the value or @var{def}"
+ " (which defaults to @code{'()}) if undefined.")
{
+ LY_ASSERT_SMOB (Output_def, pap, 1);
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");
+ LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
- 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",
1, 0, 0, (SCM def),
"Get the variable scope inside @var{def}.")
{
+ LY_ASSERT_SMOB (Output_def, def, 1);
Output_def *op = unsmob_output_def (def);
- SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
return op->scope_;
}
LY_DEFINE (ly_output_def_parent, "ly:output-def-parent",
1, 0, 0, (SCM def),
- "Get the parent output-def of @var{def}.")
+ "Get the parent output definition of @var{def}.")
{
+ LY_ASSERT_SMOB (Output_def, def, 1);
Output_def *op = unsmob_output_def (def);
- SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
return op->parent_ ? op->parent_->self_scm () : SCM_EOL;
}
+LY_DEFINE (ly_output_def_set_variable_x, "ly:output-def-set-variable!",
+ 3, 0, 0, (SCM def, SCM sym, SCM val),
+ "Set an output definition @var{def} variable @var{sym} to @var{val}.")
+{
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *output_def = unsmob_output_def (def);
+ LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
+ output_def->set_variable (sym, val);
+ return SCM_UNSPECIFIED;
+}
+
LY_DEFINE (ly_output_def_clone, "ly:output-def-clone",
1, 0, 0, (SCM def),
- "Clone @var{def}.")
+ "Clone output definition @var{def}.")
{
+ LY_ASSERT_SMOB (Output_def, def, 1);
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_module_2_alist (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 @var{bp}.")
{
+ LY_ASSERT_SMOB (Output_def, bp, 1);
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.")
+ "Make an output definition.")
{
- 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,
(SCM paper_smob, SCM chain),
-
- "Return a font metric satisfying the font-qualifiers "
- "in the alist chain @var{chain}.\n"
- "(An alist chain is a list of alists, "
- "containing grob properties).\n")
+ "Return a font metric satisfying the font-qualifiers"
+ " in the alist chain @var{chain}. (An alist chain is a"
+ " list of alists, containing grob properties.)")
{
+ LY_ASSERT_SMOB (Output_def, paper_smob, 1);
+
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 ();
}
(SCM layout_smob, SCM name),
"Return the layout variable @var{name}.")
{
+ LY_ASSERT_SMOB (Output_def, layout_smob, 1);
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",
(SCM bp),
"Return fonts from the @code{\\paper} block @var{bp}.")
{
+ LY_ASSERT_SMOB (Output_def, bp, 1);
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"));
if (scm_hash_table_p (tab1) == SCM_BOOL_T)
{
alist1 = scm_append (ly_alist_vals (ly_hash2alist (tab1)));
-
+
alist1 = ly_alist_vals (alist1);
}
alist2 = scm_append (ly_alist_vals (ly_hash2alist (tab2)));
// strip size factors
- alist2 = ly_alist_vals (alist2);
+ alist2 = ly_alist_vals (alist2);
}
SCM alist = scm_append (scm_list_2 (alist1, alist2));
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))
+ if (dynamic_cast<Modified_font_metric *> (fm)
+ || dynamic_cast<Pango_font *> (fm))
font_list = scm_cons (fm->self_scm (), font_list);
}
-
+
return font_list;
}
projects / lilypond.git / blobdiff