/*
- output-def-scheme.cc -- implement Output_def bindings
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#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),
- "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 def, SCM sym, SCM val),
+ "Return the value of @var{sym} in output definition @var{def}"
+ " (e.g., @code{\\paper}). If no value is found, return"
+ " @var{val} or @code{'()} if @var{val} is 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");
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *op = Output_def::unsmob (def);
+ LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
+
+ SCM answer = op->lookup_variable (sym);
+ if (answer == SCM_UNDEFINED)
+ {
+ if (val == SCM_UNDEFINED)
+ val = SCM_EOL;
+
+ answer = val;
+ }
- return op->lookup_variable (sym);
+ return answer;
}
LY_DEFINE (ly_output_def_scope, "ly:output-def-scope",
1, 0, 0, (SCM def),
- "Get the variable scope inside @var{def}.")
+ "Return the variable scope inside @var{def}.")
{
- Output_def *op = unsmob_output_def (def);
- SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *op = Output_def::unsmob (def);
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}.")
+ "Return the parent output definition of @var{def}.")
{
- Output_def *op = unsmob_output_def (def);
- SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *op = Output_def::unsmob (def);
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 = Output_def::unsmob (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}.")
{
- 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;
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *op = Output_def::unsmob (def);
+
+ Output_def *clone = op->clone ();
+ return clone->unprotect ();
}
LY_DEFINE (ly_output_description, "ly:output-description",
1, 0, 0, (SCM output_def),
"Return the description of translators in @var{output-def}.")
{
- Output_def *id = unsmob_output_def (output_def);
-
- SCM al = ly_module2alist (id->scope_);
+ LY_ASSERT_SMOB (Output_def, output_def, 1);
+
+ Output_def *id = Output_def::unsmob (output_def);
+ 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 = Context_def::unsmob (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_find_context_def, "ly:output-find-context-def",
+ 1, 1, 0, (SCM output_def, SCM context_name),
+ "Return an alist of all context defs (matching @var{context-name}"
+ "if given) in @var{output-def}.")
+{
+ LY_ASSERT_SMOB (Output_def, output_def, 1);
+ if (!SCM_UNBNDP (context_name))
+ LY_ASSERT_TYPE (ly_is_symbol, context_name, 2);
+
+ Output_def *id = Output_def::unsmob (output_def);
+
+ SCM al = ly_module_2_alist (id->scope_);
+ SCM ell = SCM_EOL;
+ for (SCM s = al; scm_is_pair (s); s = scm_cdr (s))
+ {
+ SCM p = scm_car (s);
+ Context_def *td = Context_def::unsmob (scm_cdr (p));
+ if (td && scm_is_eq (scm_car (p), td->get_context_name ())
+ && (SCM_UNBNDP (context_name) || td->is_alias (context_name)))
+ ell = scm_cons (p, ell);
+ }
+ return ell;
+}
+
+
+LY_DEFINE (ly_output_def_p, "ly:output-def?",
1, 0, 0, (SCM def),
- "Is @var{def} a layout definition?")
+ "Is @var{def} an output definition?")
{
- return ly_bool2scm (unsmob_output_def (def));
+ return ly_bool2scm (Output_def::unsmob (def));
}
LY_DEFINE (ly_paper_outputscale, "ly:paper-outputscale",
- 1, 0, 0, (SCM bp),
- "Get outputscale for BP.")
+ 1, 0, 0, (SCM def),
+ "Return the output-scale for output definition @var{def}.")
{
- Output_def *b = unsmob_output_def (bp);
- SCM_ASSERT_TYPE (b, bp, SCM_ARG1, __FUNCTION__, "paper");
- return scm_make_real (output_scale (b));
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *b = Output_def::unsmob (def);
+ 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")
+LY_DEFINE (ly_paper_get_font, "ly:paper-get-font",
+ 2, 0, 0, (SCM def, SCM chain),
+ "Find a font metric in output definition @var{def} satisfying"
+ " the font-qualifiers in alist chain @var{chain}, and return"
+ " it. (An alist chain is a list of alists, containing grob"
+ " properties.)")
{
- Output_def *paper = unsmob_output_def (paper_smob);
- SCM_ASSERT_TYPE (paper, paper_smob, SCM_ARG1,
- __FUNCTION__, "paper definition");
-
+ LY_ASSERT_SMOB (Output_def, def, 1);
+
+ Output_def *paper = Output_def::unsmob (def);
Font_metric *fm = select_font (paper, chain);
return fm->self_scm ();
}
-LY_DEFINE (ly_paper_get_number, "ly:paper-get-number", 2, 0, 0,
- (SCM layout_smob, SCM name),
- "Return the layout variable @var{name}.")
+LY_DEFINE (ly_paper_get_number, "ly:paper-get-number",
+ 2, 0, 0, (SCM def, SCM sym),
+ "Return the value of variable @var{sym} in output definition"
+ " @var{def} as a double.")
+{
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *layout = Output_def::unsmob (def);
+ return scm_from_double (layout->get_dimension (sym));
+}
+
+LY_DEFINE (ly_paper_fonts, "ly:paper-fonts",
+ 1, 0, 0, (SCM def),
+ "Return a list containing the fonts from output definition"
+ " @var{def} (e.g., @code{\\paper}).")
{
- 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));
+ LY_ASSERT_SMOB (Output_def, def, 1);
+ Output_def *b = Output_def::unsmob (def);
+
+ 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 = Font_metric::unsmob (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;
}
projects / lilypond.git / blobdiff