2 * Copyright © 2010 Behdad Esfahbod
3 * Copyright © 2011,2012 Google, Inc.
5 * This is part of HarfBuzz, a text shaping library.
7 * Permission is hereby granted, without written agreement and without
8 * license or royalty fees, to use, copy, modify, and distribute this
9 * software and its documentation for any purpose, provided that the
10 * above copyright notice and the following two paragraphs appear in
11 * all copies of this software.
13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
25 * Google Author(s): Behdad Esfahbod
28 #include "main-font-text.hh"
29 #include "shape-consumer.hh"
31 struct output_buffer_t
33 output_buffer_t (option_parser_t *parser)
34 : options (parser, hb_buffer_serialize_list_formats ()),
39 output_format (HB_BUFFER_SERIALIZE_FORMAT_INVALID),
40 format_flags (HB_BUFFER_SERIALIZE_FLAG_DEFAULT) {}
42 void init (hb_buffer_t *buffer, const font_options_t *font_opts)
44 options.get_file_handle ();
45 gs = g_string_new (nullptr);
47 font = hb_font_reference (font_opts->get_font ());
49 if (!options.output_format)
50 output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
52 output_format = hb_buffer_serialize_format_from_string (options.output_format, -1);
53 /* An empty "output_format" parameter basically skips output generating.
54 * Useful for benchmarking. */
55 if ((!options.output_format || *options.output_format) &&
56 !hb_buffer_serialize_format_to_string (output_format))
58 if (options.explicit_output_format)
59 fail (false, "Unknown output format `%s'; supported formats are: %s",
60 options.output_format,
61 g_strjoinv ("/", const_cast<char**> (options.supported_formats)));
63 /* Just default to TEXT if not explicitly requested and the
64 * file extension is not recognized. */
65 output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
68 unsigned int flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
69 if (!format.show_glyph_names)
70 flags |= HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES;
71 if (!format.show_clusters)
72 flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
73 if (!format.show_positions)
74 flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
75 if (!format.show_advances)
76 flags |= HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES;
77 if (format.show_extents)
78 flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
79 if (format.show_flags)
80 flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS;
81 format_flags = (hb_buffer_serialize_flags_t) flags;
84 hb_buffer_set_message_func (buffer, message_func, this, nullptr);
90 void consume_text (hb_buffer_t *buffer,
92 unsigned int text_len,
93 hb_bool_t utf8_clusters)
95 g_string_set_size (gs, 0);
96 format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
97 fprintf (options.fp, "%s", gs->str);
99 void error (const char *message)
101 g_string_set_size (gs, 0);
102 format.serialize_message (line_no, "error", message, gs);
103 fprintf (options.fp, "%s", gs->str);
105 void consume_glyphs (hb_buffer_t *buffer,
107 unsigned int text_len,
108 hb_bool_t utf8_clusters)
110 g_string_set_size (gs, 0);
111 format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font,
112 output_format, format_flags, gs);
113 fprintf (options.fp, "%s", gs->str);
115 void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
117 hb_buffer_set_message_func (buffer, nullptr, nullptr, nullptr);
118 hb_font_destroy (font);
119 g_string_free (gs, true);
125 message_func (hb_buffer_t *buffer,
130 output_buffer_t *that = (output_buffer_t *) user_data;
131 that->trace (buffer, font, message);
136 trace (hb_buffer_t *buffer,
140 g_string_set_size (gs, 0);
141 format.serialize_line_no (line_no, gs);
142 g_string_append_printf (gs, "trace: %s buffer: ", message);
143 format.serialize_glyphs (buffer, font, output_format, format_flags, gs);
144 g_string_append_c (gs, '\n');
145 fprintf (options.fp, "%s", gs->str);
150 output_options_t options;
151 format_options_t format;
154 unsigned int line_no;
156 hb_buffer_serialize_format_t output_format;
157 hb_buffer_serialize_flags_t format_flags;
161 main (int argc, char **argv)
163 main_font_text_t<shape_consumer_t<output_buffer_t>, FONT_SIZE_UPEM, 0> driver;
164 return driver.main (argc, argv);