/*
* 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 "main-font-text.hh"
#ifdef HAVE_FREETYPE
#include <hb-ft.h>
#endif
struct shape_closure_consumer_t : option_group_t
{
shape_closure_consumer_t (option_parser_t *parser) :
shaper (parser),
show_glyph_names (true)
{
add_options (parser);
}
void add_options (struct option_parser_t *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 (hb_buffer_t *buffer_,
const font_options_t *font_opts)
{
glyphs = hb_set_create ();
font = hb_font_reference (font_opts->get_font ());
failed = false;
buffer = hb_buffer_reference (buffer_);
}
void consume_line (const char *text,
unsigned int text_len,
const char *text_before,
const char *text_after)
{
hb_set_clear (glyphs);
shaper.shape_closure (text, text_len, font, buffer, glyphs);
if (hb_set_is_empty (glyphs))
return;
/* 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);
}
}
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;
hb_set_t *glyphs;
hb_font_t *font;
hb_buffer_t *buffer;
};
int
main (int argc, char **argv)
{
main_font_text_t<shape_closure_consumer_t, FONT_SIZE_NONE, 0> driver;
return driver.main (argc, argv);
}
