source file of the GNU LilyPond music typesetter
- (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2004--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "modified-font-metric.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}.")
+ "Given the font metric @var{font} of an OpenType font, return the"
+ " names of the subfonts within @var{font}.")
{
+ LY_ASSERT_SMOB (Font_metric, font, 1);
Font_metric *fm = unsmob_metrics (font);
- SCM_ASSERT_TYPE (fm, font, SCM_ARG1, __FUNCTION__, "font-metric");
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)")
+ "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");
+ 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 *> (unsmob_metrics (font));
+
+ Open_type_font *otf = fm ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : dynamic_cast<Open_type_font *> (unsmob_metrics (font));
+
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "Open type 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));
-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 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 *> (unsmob_metrics (font));
-
+
Open_type_font *otf = fm ? dynamic_cast<Open_type_font *> (fm->original_font ())
: dynamic_cast<Open_type_font *> (unsmob_metrics (font));
+ return scm_from_bool (otf);
+}
- SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "Open type font");
- SCM_ASSERT_TYPE (scm_is_string (tag), tag, SCM_ARG1, __FUNCTION__, "Open type font");
+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 *> (unsmob_metrics (font));
- char ctag [5] = " ";
+ Open_type_font *otf = fm ? dynamic_cast<Open_type_font *> (fm->original_font ())
+ : dynamic_cast<Open_type_font *> (unsmob_metrics (font));
- String tag_string = ly_scm2string (tag);
- strncpy (ctag, tag_string.to_str0 (), tag_string.length());
- String tab = otf->get_otf_table (String (ctag));
+ SCM_ASSERT_TYPE (otf, font, SCM_ARG1, __FUNCTION__, "OTF font");
+ return otf->glyph_list ();
- return scm_from_locale_stringn ((char const*) tab.to_bytes (), tab.length ());
}