2 ttf.cc -- implement ttf -> pfa routine.
4 source file of the GNU LilyPond music typesetter
6 (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "freetype.hh"
12 #include <freetype/tttables.h>
14 #include "lily-proto.hh"
15 #include "memory-stream.hh"
17 #include "lily-guile.hh"
21 print_header (void *out, FT_Face face)
23 lily_cookie_fprintf (out, "%%!PS-TrueTypeFont\n");
26 (TT_Postscript*) FT_Get_Sfnt_Table(face, ft_sfnt_post);
29 lily_cookie_fprintf (out, "%%%%VMUsage: %ld %ld\n", 0, 0);
31 lily_cookie_fprintf (out, "%d dict begin\n", 11);
32 lily_cookie_fprintf (out, "/FontName /%s def\n",
33 FT_Get_Postscript_Name (face));
35 lily_cookie_fprintf (out, "/Encoding StandardEncoding def\n");
36 lily_cookie_fprintf (out, "/PaintType 0 def\n");
37 lily_cookie_fprintf (out, "/FontMatrix [1 0 0 1 0 0] def\n");
40 (TT_Header*)FT_Get_Sfnt_Table(face, ft_sfnt_head);
42 lily_cookie_fprintf (out, "/FontBBox [%ld %ld %ld %ld] def\n",
43 ht->xMin * 1000L / ht->Units_Per_EM,
44 ht->yMin * 1000L / ht->Units_Per_EM,
45 ht->xMax * 1000L / ht->Units_Per_EM,
46 ht->yMax * 1000L / ht->Units_Per_EM);
48 lily_cookie_fprintf (out, "/FontType 42 def\n");
49 lily_cookie_fprintf (out, "/FontInfo 8 dict dup begin\n");
50 lily_cookie_fprintf (out, "/version (%d.%d) def\n",
51 (ht->Font_Revision >> 16),
52 (ht->Font_Revision & ((1 << 16) -1)));
57 lily_cookie_fprintf (out, "/Notice (");
58 fputpss (strings[0], out);
59 lily_cookie_fprintf (out, ") def\n");
63 lily_cookie_fprintf (out, "/FullName (");
64 fputpss (strings[4], out);
65 lily_cookie_fprintf (out, ") def\n");
69 lily_cookie_fprintf (out, "/FamilyName (");
70 fputpss (strings[1], out);
71 lily_cookie_fprintf (out, ") def\n");
75 lily_cookie_fprintf (out, "/isFixedPitch %s def\n",
76 pt->isFixedPitch ? "true" : "false");
77 lily_cookie_fprintf (out, "/UnderlinePosition %ld def\n",
78 pt->underlinePosition * 1000L / ht->Units_Per_EM);
79 lily_cookie_fprintf (out, "/UnderlineThickness %ld def\n",
80 pt->underlineThickness * 1000L / ht->Units_Per_EM);
81 lily_cookie_fprintf (out, "end readonly def\n");
86 #define CHUNKSIZE 65534
89 print_body (void *out, String name)
91 FILE *fd = fopen (name.to_str0 (), "rb");
93 static char xdigits[] = "0123456789ABCDEF";
95 unsigned char *buffer;
98 buffer = new unsigned char[CHUNKSIZE];
99 lily_cookie_fprintf (out, "/sfnts [");
102 i = fread (buffer, 1, CHUNKSIZE, fd);
105 lily_cookie_fprintf (out, "\n<");
106 for (j = 0; j < i; j++)
108 if (j != 0 && j % 36 == 0)
109 lily_cookie_putc ('\n', out);
110 /* lily_cookie_fprintf (out,"%02X",(int)buffer[j]) is too slow */
111 lily_cookie_putc (xdigits[(buffer[j] & 0xF0) >> 4], out);
112 lily_cookie_putc (xdigits[buffer[j] & 0x0F], out);
114 lily_cookie_fprintf (out, "00>"); /* Adobe bug? */
118 lily_cookie_fprintf (out, "\n] def\n");
124 print_trailer (void *out,
127 const int GLYPH_NAME_LEN = 256;
128 char glyph_name[GLYPH_NAME_LEN];
131 (TT_MaxProfile *)FT_Get_Sfnt_Table(face, ft_sfnt_maxp);
133 lily_cookie_fprintf (out, "/CharStrings %d dict dup begin\n", mp->numGlyphs);
134 for (int i = 0; i < mp->numGlyphs; i++)
136 FT_Error error = FT_Get_Glyph_Name (face, i, glyph_name, GLYPH_NAME_LEN);
139 programming_error ("FT_Get_Glyph_Name() returned error");
141 lily_cookie_fprintf (out, "/%s %d def ", glyph_name, i);
144 lily_cookie_fprintf (out, "\n");
146 lily_cookie_fprintf (out, "end readonly def\n");
147 lily_cookie_fprintf (out, "FontName currentdict end definefont pop\n");
151 create_type42_font (void *out, String name)
153 FT_Face face = open_ft_face (name);
155 print_header (out, face);
156 print_body (out, name);
157 print_trailer (out, face);
161 LY_DEFINE (ly_ttf_to_pfa, "ly:ttf->pfa",
162 1, 0, 0, (SCM ttf_file_name),
163 "Convert the contents of a TTF file to Type42 PFA, returning it as "
166 SCM_ASSERT_TYPE (scm_is_string (ttf_file_name), ttf_file_name,
167 SCM_ARG1, __FUNCTION__, "string");
169 String file_name = ly_scm2string (ttf_file_name);
170 if (be_verbose_global)
171 progress_indication ("[" + file_name);
173 Memory_out_stream stream;
175 create_type42_font (&stream, file_name);
176 SCM asscm = scm_from_locale_stringn (stream.get_string (),
177 stream.get_length ());
179 if (be_verbose_global)
180 progress_indication ("]");