1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright © 2010,2011 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_FREETYPE
#include "hb-ft.h"
#endif
#ifdef HB_NO_OPEN
#define hb_blob_create_from_file_or_fail(x) hb_blob_get_empty ()
#endif
int
main (int argc, char **argv)
{
if (argc != 2) {
fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
exit (1);
}
hb_blob_t *blob = hb_blob_create_from_file_or_fail (argv[1]);
assert (blob);
printf ("Opened font file %s: %u bytes long\n", argv[1], hb_blob_get_length (blob));
/* Create the face */
hb_face_t *face = hb_face_create (blob, 0 /* first face */);
hb_blob_destroy (blob);
blob = nullptr;
unsigned int upem = hb_face_get_upem (face);
hb_font_t *font = hb_font_create (face);
hb_font_set_scale (font, upem, upem);
#ifdef HAVE_FREETYPE
hb_ft_font_set_funcs (font);
#endif
hb_buffer_t *buffer = hb_buffer_create ();
hb_buffer_add_utf8 (buffer, "\xe0\xa4\x95\xe0\xa5\x8d\xe0\xa4\xb0\xe0\xa5\x8d\xe0\xa4\x95", -1, 0, -1);
hb_buffer_guess_segment_properties (buffer);
hb_shape (font, buffer, nullptr, 0);
unsigned int count = hb_buffer_get_length (buffer);
hb_glyph_info_t *infos = hb_buffer_get_glyph_infos (buffer, nullptr);
hb_glyph_position_t *positions = hb_buffer_get_glyph_positions (buffer, nullptr);
for (unsigned int i = 0; i < count; i++)
{
hb_glyph_info_t *info = &infos[i];
hb_glyph_position_t *pos = &positions[i];
printf ("cluster %u glyph 0x%x at (%d,%d)+(%d,%d)\n",
info->cluster,
info->codepoint,
pos->x_offset,
pos->y_offset,
pos->x_advance,
pos->y_advance);
}
hb_buffer_destroy (buffer);
hb_font_destroy (font);
hb_face_destroy (face);
return 0;
}
|
