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/*
* Copyright © 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 "batch.hh"
#include "font-options.hh"
#include "main-font-text.hh"
#include "shape-options.hh"
#include "text-options.hh"
const unsigned DEFAULT_FONT_SIZE = FONT_SIZE_NONE;
const unsigned SUBPIXEL_BITS = 0;
struct shape_closure_consumer_t
{
void add_options (struct option_parser_t *parser)
{
parser->set_summary ("Find glyph set from input text under shaping closure.");
shaper.add_options (parser);
GOptionEntry entries[] =
{
{"no-glyph-names", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_glyph_names, "Use glyph indices instead of names", nullptr},
{nullptr}
};
parser->add_group (entries,
"format",
"Format options:",
"Options controlling output formatting",
this);
}
void init (const font_options_t *font_opts)
{
glyphs = hb_set_create ();
font = hb_font_reference (font_opts->font);
failed = false;
buffer = hb_buffer_create ();
}
template <typename text_options_t>
bool consume_line (text_options_t &text_opts)
{
unsigned int text_len;
const char *text;
if (!(text = text_opts.get_line (&text_len)))
return false;
hb_set_clear (glyphs);
shaper.shape_closure (text, text_len, font, buffer, glyphs);
if (hb_set_is_empty (glyphs))
return true;
/* Print it out! */
bool first = true;
for (hb_codepoint_t i = -1; hb_set_next (glyphs, &i);)
{
if (first)
first = false;
else
printf (" ");
if (show_glyph_names)
{
char glyph_name[64];
hb_font_glyph_to_string (font, i, glyph_name, sizeof (glyph_name));
printf ("%s", glyph_name);
} else
printf ("%u", i);
}
return true;
}
void finish (const font_options_t *font_opts)
{
printf ("\n");
hb_font_destroy (font);
font = nullptr;
hb_set_destroy (glyphs);
glyphs = nullptr;
hb_buffer_destroy (buffer);
buffer = nullptr;
}
bool failed;
protected:
shape_options_t shaper;
hb_bool_t show_glyph_names = false;
hb_set_t *glyphs = nullptr;
hb_font_t *font = nullptr;
hb_buffer_t *buffer = nullptr;
};
int
main (int argc, char **argv)
{
using main_t = main_font_text_t<shape_closure_consumer_t, font_options_t, text_options_t>;
return batch_main<main_t> (argc, argv);
}
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