along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "international.hh"
#include "modified-font-metric.hh"
#include "open-type-font.hh"
+#include "freetype.hh"
+
+#ifdef FT_FONT_FORMATS_H
+/* FreeType 2.6+ */
+#include FT_FONT_FORMATS_H
+#else
+/* FreeType 2.5.5 and earlier */
+#include FT_XFREE86_H
+#define FT_Get_Font_Format FT_Get_X11_Font_Format
+#endif
LY_DEFINE (ly_font_sub_fonts, "ly:font-sub-fonts", 1, 0, 0,
(SCM font),
return otf->glyph_list ();
}
+
+LY_DEFINE (ly_get_font_format, "ly:get-font-format",
+ 1, 1, 0, (SCM font_file_name, SCM idx),
+ "Get the font format for @var{font_file_name},"
+ " returning it as a symbol. The optional"
+ " @var{idx} argument is useful for TrueType Collections (TTC) and"
+ " OpenType/CFF collections (OTC) only;"
+ " it specifies the font index within the TTC/OTC."
+ " The default value of @var{idx} is@tie{}0.")
+{
+ LY_ASSERT_TYPE (scm_is_string, font_file_name, 1);
+
+ int i = 0;
+ if (!SCM_UNBNDP (idx))
+ {
+ LY_ASSERT_TYPE (scm_is_integer, idx, 2);
+ i = scm_to_int (idx);
+ if (i < 0)
+ {
+ warning (_ ("font index must be non-negative, using index 0"));
+ i = 0;
+ }
+ }
+
+ string file_name = ly_scm2string (font_file_name);
+
+ FT_Face face;
+ /* check whether font index is valid */
+ if (i > 0)
+ {
+ face = open_ft_face (file_name, -1);
+ if (i >= face->num_faces)
+ {
+ warning (_f ("font index %d too large for font `%s', using index 0",
+ i, file_name.c_str ()));
+ i = 0;
+ }
+ FT_Done_Face (face);
+ }
+
+ face = open_ft_face (file_name, i);
+ SCM asscm = scm_from_ascii_symbol (FT_Get_Font_Format (face));
+ FT_Done_Face (face);
+
+ return asscm;
+}