source file of the GNU LilyPond music typesetter
- (c) 2005--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2005--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include <cstdio>
#include <freetype/tttables.h>
+#include "international.hh"
#include "memory-stream.hh"
#include "warn.hh"
#include "lily-guile.hh"
}
static void
-create_type42_font (void *out, string name)
+create_type42_font (void *out, string name, int idx)
{
- FT_Face face = open_ft_face (name);
+ FT_Face face;
+
+ /* check whether font index is valid */
+ if (idx > 0)
+ {
+ face = open_ft_face (name, -1);
+ if (idx >= face->num_faces)
+ {
+ warning (_f ("font index %d too large for font `%s', using index 0",
+ idx, name.c_str()));
+ idx = 0;
+ }
+ FT_Done_Face (face);
+ }
+
+ face = open_ft_face (name, idx);
print_header (out, face);
print_body (out, face);
FT_Done_Face (face);
}
-
LY_DEFINE (ly_ttf_ps_name, "ly:ttf-ps-name",
- 1, 0, 0, (SCM ttf_file_name),
- "Extract the PostScript name from a TrueType font.")
+ 1, 1, 0, (SCM ttf_file_name, SCM idx),
+ "Extract the PostScript name from a TrueType font. The optional"
+ " @var{idx} argument is useful for TrueType collections (TTC)"
+ " only; it specifies the font index within the TTC. The default"
+ " value of @var{idx} is@tie{}0.")
{
LY_ASSERT_TYPE (scm_is_string, ttf_file_name, 1);
+
+ int i = 0;
+ if (idx != SCM_UNDEFINED)
+ {
+ 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 (ttf_file_name);
if (be_verbose_global)
progress_indication ("[" + file_name);
- FT_Face face = open_ft_face (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);
char const *ps_name_str0 = FT_Get_Postscript_Name (face);
SCM ps_name = scm_from_locale_string (ps_name_str0 ? ps_name_str0 : "");
-
FT_Done_Face (face);
if (be_verbose_global)
return ps_name;
}
-
-
LY_DEFINE (ly_ttf_2_pfa, "ly:ttf->pfa",
- 1, 0, 0, (SCM ttf_file_name),
- "Convert the contents of a TTF file to Type42 PFA, returning it as"
- " a string.")
+ 1, 1, 0, (SCM ttf_file_name, SCM idx),
+ "Convert the contents of a TrueType font file to PostScript"
+ " Type@tie{}42 font, returning it as a string. The optional"
+ " @var{idx} argument is useful for TrueType collections (TTC)"
+ " only; it specifies the font index within the TTC. The default"
+ " value of @var{idx} is@tie{}0.")
{
LY_ASSERT_TYPE (scm_is_string, ttf_file_name, 1);
+ int i = 0;
+ if (idx != SCM_UNDEFINED)
+ {
+ 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 (ttf_file_name);
if (be_verbose_global)
progress_indication ("[" + file_name);
Memory_out_stream stream;
- create_type42_font (&stream, file_name);
+ create_type42_font (&stream, file_name, i);
SCM asscm = scm_from_locale_stringn (stream.get_string (),
stream.get_length ());