/* * Copyright © 2011,2012 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 "options.hh" #ifndef HB_MAIN_FONT_TEXT_HH #define HB_MAIN_FONT_TEXT_HH /* main() body for utilities taking font and processing text.*/ static char * locale_to_utf8 (char *s) { char *t; GError *error = NULL; t = g_locale_to_utf8 (s, -1, NULL, NULL, &error); if (!t) { fail (true, "Failed converting text to UTF-8"); } return t; } static hb_bool_t message_func (hb_buffer_t *buffer, hb_font_t *font, const char *message, void *user_data) { fprintf (stderr, "HB: %s\n", message); char buf[4096]; hb_buffer_serialize_glyphs (buffer, 0, hb_buffer_get_length (buffer), buf, sizeof (buf), NULL, font, HB_BUFFER_SERIALIZE_FORMAT_TEXT, HB_BUFFER_SERIALIZE_FLAG_DEFAULT); printf ("HB: buffer [%s]\n", buf); return true; } template <typename consumer_t, int default_font_size, int subpixel_bits> struct main_font_text_t { main_font_text_t (void) : options ("[FONT-FILE] [TEXT]"), font_opts (&options, default_font_size, subpixel_bits), input (&options), consumer (&options) {} int main (int argc, char **argv) { options.parse (&argc, &argv); argc--, argv++; if (argc && !font_opts.font_file) font_opts.font_file = locale_to_utf8 (argv[0]), argc--, argv++; if (argc && !input.text && !input.text_file) input.text = locale_to_utf8 (argv[0]), argc--, argv++; if (argc) fail (true, "Too many arguments on the command line"); if (!font_opts.font_file) options.usage (); if (!input.text && !input.text_file) input.text_file = g_strdup ("-"); consumer.init (&font_opts); hb_buffer_t *buffer = hb_buffer_create (); if (debug) hb_buffer_set_message_func (buffer, message_func, NULL, NULL); unsigned int text_len; const char *text; while ((text = input.get_line (&text_len))) consumer.consume_line (buffer, text, text_len, input.text_before, input.text_after); hb_buffer_destroy (buffer); consumer.finish (&font_opts); return consumer.failed ? 1 : 0; } protected: option_parser_t options; font_options_t font_opts; text_options_t input; consumer_t consumer; }; #endif