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"
22 Based on ttfps by Juliusz Chroboczek
25 print_header (void *out, FT_Face face)
27 lily_cookie_fprintf (out, "%%!PS-TrueTypeFont\n");
30 (TT_Postscript*) FT_Get_Sfnt_Table(face, ft_sfnt_post);
33 lily_cookie_fprintf (out, "%%%%VMUsage: %ld %ld\n", 0, 0);
35 lily_cookie_fprintf (out, "%d dict begin\n", 11);
36 lily_cookie_fprintf (out, "/FontName /%s def\n",
37 FT_Get_Postscript_Name (face));
39 lily_cookie_fprintf (out, "/Encoding StandardEncoding def\n");
40 lily_cookie_fprintf (out, "/PaintType 0 def\n");
41 lily_cookie_fprintf (out, "/FontMatrix [1 0 0 1 0 0] def\n");
44 (TT_Header*)FT_Get_Sfnt_Table(face, ft_sfnt_head);
46 lily_cookie_fprintf (out, "/FontBBox [%ld %ld %ld %ld] def\n",
47 ht->xMin * 1000L / ht->Units_Per_EM,
48 ht->yMin * 1000L / ht->Units_Per_EM,
49 ht->xMax * 1000L / ht->Units_Per_EM,
50 ht->yMax * 1000L / ht->Units_Per_EM);
52 lily_cookie_fprintf (out, "/FontType 42 def\n");
53 lily_cookie_fprintf (out, "/FontInfo 8 dict dup begin\n");
54 lily_cookie_fprintf (out, "/version (%d.%d) def\n",
55 (ht->Font_Revision >> 16),
56 (ht->Font_Revision & ((1 << 16) -1)));
61 lily_cookie_fprintf (out, "/Notice (");
62 fputpss (strings[0], out);
63 lily_cookie_fprintf (out, ") def\n");
67 lily_cookie_fprintf (out, "/FullName (");
68 fputpss (strings[4], out);
69 lily_cookie_fprintf (out, ") def\n");
73 lily_cookie_fprintf (out, "/FamilyName (");
74 fputpss (strings[1], out);
75 lily_cookie_fprintf (out, ") def\n");
79 lily_cookie_fprintf (out, "/isFixedPitch %s def\n",
80 pt->isFixedPitch ? "true" : "false");
81 lily_cookie_fprintf (out, "/UnderlinePosition %ld def\n",
82 pt->underlinePosition * 1000L / ht->Units_Per_EM);
83 lily_cookie_fprintf (out, "/UnderlineThickness %ld def\n",
84 pt->underlineThickness * 1000L / ht->Units_Per_EM);
85 lily_cookie_fprintf (out, "end readonly def\n");
90 #define CHUNKSIZE 65534
93 print_body (void *out, String name)
95 FILE *fd = fopen (name.to_str0 (), "rb");
97 static char xdigits[] = "0123456789ABCDEF";
99 unsigned char *buffer;
102 buffer = new unsigned char[CHUNKSIZE];
103 lily_cookie_fprintf (out, "/sfnts [");
106 i = fread (buffer, 1, CHUNKSIZE, fd);
109 lily_cookie_fprintf (out, "\n<");
110 for (j = 0; j < i; j++)
112 if (j != 0 && j % 36 == 0)
113 lily_cookie_putc ('\n', out);
114 /* lily_cookie_fprintf (out,"%02X",(int)buffer[j]) is too slow */
115 lily_cookie_putc (xdigits[(buffer[j] & 0xF0) >> 4], out);
116 lily_cookie_putc (xdigits[buffer[j] & 0x0F], out);
118 lily_cookie_fprintf (out, "00>"); /* Adobe bug? */
122 lily_cookie_fprintf (out, "\n] def\n");
128 print_trailer (void *out,
131 const int GLYPH_NAME_LEN = 256;
132 char glyph_name[GLYPH_NAME_LEN];
135 (TT_MaxProfile *)FT_Get_Sfnt_Table(face, ft_sfnt_maxp);
137 lily_cookie_fprintf (out, "/CharStrings %d dict dup begin\n", mp->numGlyphs);
138 for (int i = 0; i < mp->numGlyphs; i++)
140 FT_Error error = FT_Get_Glyph_Name (face, i, glyph_name, GLYPH_NAME_LEN);
143 programming_error ("FT_Get_Glyph_Name() returned error");
145 lily_cookie_fprintf (out, "/%s %d def ", glyph_name, i);
148 lily_cookie_fprintf (out, "\n");
150 lily_cookie_fprintf (out, "end readonly def\n");
151 lily_cookie_fprintf (out, "FontName currentdict end definefont pop\n");
155 create_type42_font (void *out, String name)
157 FT_Face face = open_ft_face (name);
159 print_header (out, face);
160 print_body (out, name);
161 print_trailer (out, face);
165 LY_DEFINE (ly_ttf_to_pfa, "ly:ttf->pfa",
166 1, 0, 0, (SCM ttf_file_name),
167 "Convert the contents of a TTF file to Type42 PFA, returning it as "
170 SCM_ASSERT_TYPE (scm_is_string (ttf_file_name), ttf_file_name,
171 SCM_ARG1, __FUNCTION__, "string");
173 String file_name = ly_scm2string (ttf_file_name);
174 if (be_verbose_global)
175 progress_indication ("[" + file_name);
177 Memory_out_stream stream;
179 create_type42_font (&stream, file_name);
180 SCM asscm = scm_from_locale_stringn (stream.get_string (),
181 stream.get_length ());
183 if (be_verbose_global)
184 progress_indication ("]");