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)
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
initshape_closure_consumer_t56 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 }
consume_lineshape_closure_consumer_t62 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 }
finishshape_closure_consumer_t91 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
110 int
main(int argc,char ** argv)111 main (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