lily/pango-font-scheme.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2004--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5
   6   LilyPond is free software: you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   LilyPond is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #define PANGO_ENABLE_BACKEND // ugh, why necessary?
  21
  22 #include <pango/pangoft2.h>
  23
  24 #include "main.hh"
  25 #include "lookup.hh"
  26 #include "dimensions.hh"
  27 #include "pango-font.hh"
  28 #include "warn.hh"
  29
  30 #if HAVE_PANGO_FT2
  31 #include "stencil.hh"
  32
  33 LY_DEFINE (ly_pango_font_p, "ly:pango-font?",
  34            1, 0, 0,
  35            (SCM f),
  36            "Is @var{f} a pango font?")
  37 {
  38   return scm_from_bool (dynamic_cast<Pango_font *> (unsmob_metrics (f)));
  39 }
  40
  41 LY_DEFINE (ly_pango_font_physical_fonts, "ly:pango-font-physical-fonts",
  42            1, 0, 0,
  43            (SCM f),
  44            "Return alist of @code{(ps-name file-name font-index)} lists"
  45            " for Pango font@tie{}@var{f}.")
  46 {
  47   Pango_font *pf = dynamic_cast<Pango_font *> (unsmob_metrics (f));
  48
  49   SCM alist = SCM_EOL;
  50   if (pf)
  51     alist = ly_hash2alist (pf->physical_font_tab ());
  52
  53   return alist;
  54 }
  55 #endif