harfbuzz/util/hb-shape.cc

98 lines
2.8 KiB
C++

/*
* Copyright © 2010 Behdad Esfahbod
* 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 "main-font-text.hh"
#include "shape-consumer.hh"
struct output_buffer_t
{
output_buffer_t (option_parser_t *parser)
: options (parser),
format (parser) {}
void init (const font_options_t *font_opts)
{
options.get_file_handle ();
gs = g_string_new (NULL);
line_no = 0;
font = hb_font_reference (font_opts->get_font ());
}
void new_line (void)
{
line_no++;
}
void consume_text (hb_buffer_t *buffer,
const char *text,
unsigned int text_len,
hb_bool_t utf8_clusters)
{
g_string_set_size (gs, 0);
format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, utf8_clusters, gs);
fprintf (options.fp, "%s", gs->str);
}
void shape_failed (hb_buffer_t *buffer,
const char *text,
unsigned int text_len,
hb_bool_t utf8_clusters)
{
g_string_set_size (gs, 0);
format.serialize_message (line_no, "msg: all shapers failed", gs);
fprintf (options.fp, "%s", gs->str);
}
void consume_glyphs (hb_buffer_t *buffer,
const char *text,
unsigned int text_len,
hb_bool_t utf8_clusters)
{
g_string_set_size (gs, 0);
format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font, utf8_clusters, gs);
fprintf (options.fp, "%s", gs->str);
}
void finish (const font_options_t *font_opts)
{
hb_font_destroy (font);
g_string_free (gs, true);
gs = NULL;
font = NULL;
}
protected:
output_options_t options;
format_options_t format;
GString *gs;
unsigned int line_no;
hb_font_t *font;
};
int
main (int argc, char **argv)
{
main_font_text_t<shape_consumer_t<output_buffer_t> > driver;
return driver.main (argc, argv);
}