HarfBuzz text shaping engine
http://harfbuzz.github.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
2.7 KiB
96 lines
2.7 KiB
/* |
|
* 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 |
|
*/ |
|
|
|
#ifndef HB_MAIN_FONT_TEXT_HH |
|
#define HB_MAIN_FONT_TEXT_HH |
|
|
|
#include "hb.hh" |
|
#include "options.hh" |
|
|
|
/* main() body for utilities taking font and processing text.*/ |
|
|
|
static char * |
|
locale_to_utf8 (char *s) |
|
{ |
|
char *t; |
|
GError *error = nullptr; |
|
|
|
t = g_locale_to_utf8 (s, -1, nullptr, nullptr, &error); |
|
if (!t) |
|
{ |
|
fail (true, "Failed converting text to UTF-8"); |
|
} |
|
|
|
return t; |
|
} |
|
|
|
template <typename consumer_t, int default_font_size, int subpixel_bits> |
|
struct main_font_text_t |
|
{ |
|
main_font_text_t () |
|
: 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 ("-"); |
|
|
|
hb_buffer_t *buffer = hb_buffer_create (); |
|
consumer.init (buffer, &font_opts); |
|
hb_buffer_destroy (buffer); |
|
|
|
unsigned int text_len; |
|
const char *text; |
|
while ((text = input.get_line (&text_len))) |
|
consumer.consume_line (text, text_len, input.text_before, input.text_after); |
|
|
|
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 |
|
|
|
|