/*
- open-type-font.cc -- implement Open_type_font
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2004--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2004--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 "modified-font-metric.hh"
#include "open-type-font.hh"
LY_DEFINE (ly_font_sub_fonts, "ly:font-sub-fonts", 1, 0, 0,
- (SCM font),
- "Given the font metric @var{font} of an OpenType font, return the "
- "names of the subfonts within @var{font}.")
+ (SCM font),
+ "Given the font metric @var{font} of an OpenType font, return the"
+ " names of the subfonts within @var{font}.")
{
- Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
+ LY_ASSERT_SMOB (Font_metric, font, 1);
+
+ Font_metric *fm = Font_metric::unsmob (font);
return fm->sub_fonts ();
}
LY_DEFINE (ly_otf_font_glyph_info, "ly:otf-font-glyph-info", 2, 0, 0,
- (SCM font, SCM glyph),
- "Given the font metric @var{font} of an OpenType font, return the "
- "information about named glyph @var{glyph} (a string)")
+ (SCM font, SCM glyph),
+ "Given the font metric @var{font} of an OpenType font, return the"
+ " information about named glyph @var{glyph} (a string).")
{
- Modified_font_metric * fm
- = dynamic_cast<Modified_font_metric*> (unsmob_metrics (font));
- Open_type_font * otf = dynamic_cast<Open_type_font*> (fm->original_font ());
- SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OTF font-metric");
- SCM_ASSERT_TYPE (scm_is_string (glyph), glyph, SCM_ARG1,
- __FUNCTION__, "string");
+ Modified_font_metric *fm
+ = dynamic_cast<Modified_font_metric *> (Font_metric::unsmob (font));
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : dynamic_cast<Open_type_font *> (Font_metric::unsmob (font));
+
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
+ LY_ASSERT_TYPE (scm_is_string, glyph, 2);
SCM sym = scm_string_to_symbol (glyph);
return scm_hashq_ref (otf->get_char_table (), sym, SCM_EOL);
}
+
+LY_DEFINE (ly_otf_font_table_data, "ly:otf-font-table-data", 2, 0, 0,
+ (SCM font, SCM tag),
+ "Extract a table @var{tag} from @var{font}. Return empty string"
+ " for non-existent @var{tag}.")
+{
+ Modified_font_metric *fm
+ = dynamic_cast<Modified_font_metric *> (Font_metric::unsmob (font));
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : dynamic_cast<Open_type_font *> (Font_metric::unsmob (font));
+
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
+ LY_ASSERT_TYPE (scm_is_string, tag, 2);
+
+ char ctag [5] = " ";
+
+ string tag_string = ly_scm2string (tag);
+ strncpy (ctag, tag_string.c_str (), tag_string.length ());
+
+ string tab = otf->get_otf_table (string (ctag));
+
+ return scm_from_locale_stringn ((char const *) tab.data (), tab.length ());
+}
+
+LY_DEFINE (ly_otf_font_p, "ly:otf-font?", 1, 0, 0,
+ (SCM font),
+ "Is @var{font} an OpenType font?")
+{
+ Modified_font_metric *fm
+ = dynamic_cast<Modified_font_metric *> (Font_metric::unsmob (font));
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : dynamic_cast<Open_type_font *> (Font_metric::unsmob (font));
+
+ return scm_from_bool (otf);
+}
+
+LY_DEFINE (ly_otf_glyph_count, "ly:otf-glyph-count", 1, 0, 0,
+ (SCM font),
+ "Return the number of glyphs in @var{font}.")
+{
+ Modified_font_metric *fm
+ = dynamic_cast<Modified_font_metric *> (Font_metric::unsmob (font));
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : dynamic_cast<Open_type_font *> (Font_metric::unsmob (font));
+
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
+
+ return scm_from_int ((int) otf->count ());
+}
+
+LY_DEFINE (ly_otf_glyph_list, "ly:otf-glyph-list", 1, 0, 0,
+ (SCM font),
+ "Return a list of glyph names for @var{font}.")
+{
+ Modified_font_metric *fm
+ = dynamic_cast<Modified_font_metric *> (Font_metric::unsmob (font));
+ Open_type_font *otf = fm
+ ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : dynamic_cast<Open_type_font *> (Font_metric::unsmob (font));
+
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OpenType font");
+
+ return otf->glyph_list ();
+}