X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fopen-type-font-scheme.cc;h=bba695ba00c147c5412cfd3934f877f7322501c2;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=27e574312ef85a407d33c96d574180cc11b4abf9;hpb=0d6207e894224577f9879f4036ef8cab4925c4c7;p=lilypond.git

diff --git a/lily/open-type-font-scheme.cc b/lily/open-type-font-scheme.cc
index 27e574312e..bba695ba00 100644
--- a/lily/open-type-font-scheme.cc
+++ b/lily/open-type-font-scheme.cc
@@ -1,36 +1,117 @@
 /*
-  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--2015 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 ();
+}