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
33 struct shape_closure_consumer_t : option_group_t
34 {
shape_closure_consumer_tshape_closure_consumer_t35 shape_closure_consumer_t (option_parser_t *parser) :
36 shaper (parser),
37 show_glyph_names (true)
38 {
39 add_options (parser);
40 }
41
add_optionsshape_closure_consumer_t42 void add_options (struct option_parser_t *parser) override
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", nullptr},
47 {nullptr}
48 };
49 parser->add_group (entries,
50 "format",
51 "Format options:",
52 "Options controlling output formatting",
53 this);
54 }
55
initshape_closure_consumer_t56 void init (hb_buffer_t *buffer_,
57 const font_options_t *font_opts)
58 {
59 glyphs = hb_set_create ();
60 font = hb_font_reference (font_opts->get_font ());
61 failed = false;
62 buffer = hb_buffer_reference (buffer_);
63 }
consume_lineshape_closure_consumer_t64 void consume_line (const char *text,
65 unsigned int text_len,
66 const char *text_before,
67 const char *text_after)
68 {
69 hb_set_clear (glyphs);
70 shaper.shape_closure (text, text_len, font, buffer, glyphs);
71
72 if (hb_set_is_empty (glyphs))
73 return;
74
75 /* Print it out! */
76 bool first = true;
77 for (hb_codepoint_t i = -1; hb_set_next (glyphs, &i);)
78 {
79 if (first)
80 first = false;
81 else
82 printf (" ");
83 if (show_glyph_names)
84 {
85 char glyph_name[64];
86 hb_font_glyph_to_string (font, i, glyph_name, sizeof (glyph_name));
87 printf ("%s", glyph_name);
88 } else
89 printf ("%u", i);
90 }
91 }
finishshape_closure_consumer_t92 void finish (const font_options_t *font_opts)
93 {
94 printf ("\n");
95 hb_font_destroy (font);
96 font = nullptr;
97 hb_set_destroy (glyphs);
98 glyphs = nullptr;
99 hb_buffer_destroy (buffer);
100 buffer = nullptr;
101 }
102
103 bool failed;
104
105 protected:
106 shape_options_t shaper;
107 hb_bool_t show_glyph_names;
108
109 hb_set_t *glyphs;
110 hb_font_t *font;
111 hb_buffer_t *buffer;
112 };
113
114 int
main(int argc,char ** argv)115 main (int argc, char **argv)
116 {
117 main_font_text_t<shape_closure_consumer_t, FONT_SIZE_NONE, 0> driver;
118 return driver.main (argc, argv);
119 }
120