1/*
2 * Copyright © 2012  Google, Inc.
3 *
4 *  This is part of HarfBuzz, a text shaping library.
5 *
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
11 *
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16 * DAMAGE.
17 *
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23 *
24 * Google Author(s): Behdad Esfahbod
25 */
26
27#include "main-font-text.hh"
28
29#ifdef HAVE_FREETYPE
30#include <hb-ft.h>
31#endif
32
33struct shape_closure_consumer_t : option_group_t
34{
35  shape_closure_consumer_t (option_parser_t *parser) :
36			    shaper (parser),
37			    show_glyph_names (true)
38  {
39    add_options (parser);
40  }
41
42  void add_options (struct option_parser_t *parser)
43  {
44    GOptionEntry entries[] =
45    {
46      {"no-glyph-names",	0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,	&this->show_glyph_names,	"Use glyph indices instead of names",	NULL},
47      {NULL}
48    };
49    parser->add_group (entries,
50		       "format",
51		       "Format options:",
52		       "Options controlling output formatting",
53		       this);
54  }
55
56  void init (const font_options_t *font_opts)
57  {
58    glyphs = hb_set_create ();
59    font = hb_font_reference (font_opts->get_font ());
60    failed = false;
61  }
62  void consume_line (hb_buffer_t  *buffer,
63		     const char   *text,
64		     unsigned int  text_len,
65		     const char   *text_before,
66		     const char   *text_after)
67  {
68    hb_set_clear (glyphs);
69    shaper.shape_closure (text, text_len, font, buffer, glyphs);
70
71    if (hb_set_is_empty (glyphs))
72      return;
73
74    /* Print it out! */
75    bool first = true;
76    for (hb_codepoint_t i = -1; hb_set_next (glyphs, &i);)
77    {
78      if (first)
79	first = false;
80      else
81	printf (" ");
82      if (show_glyph_names)
83      {
84	char glyph_name[64];
85	hb_font_glyph_to_string (font, i, glyph_name, sizeof (glyph_name));
86	printf ("%s", glyph_name);
87      } else
88	printf ("%u", i);
89    }
90  }
91  void finish (const font_options_t *font_opts)
92  {
93    printf ("\n");
94    hb_font_destroy (font);
95    font = NULL;
96    hb_set_destroy (glyphs);
97    glyphs = NULL;
98  }
99
100  bool failed;
101
102  protected:
103  shape_options_t shaper;
104  hb_bool_t show_glyph_names;
105
106  hb_set_t *glyphs;
107  hb_font_t *font;
108};
109
110int
111main (int argc, char **argv)
112{
113  main_font_text_t<shape_closure_consumer_t, FONT_SIZE_NONE, 0> driver;
114  return driver.main (argc, argv);
115}
116