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/*
* 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, hb_buffer_serialize_list_formats ()),
format (parser),
gs (NULL),
line_no (0),
font (NULL),
output_format (HB_BUFFER_SERIALIZE_FORMAT_INVALID),
format_flags (HB_BUFFER_SERIALIZE_FLAG_DEFAULT) {}
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 ());
if (!options.output_format)
output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
else
output_format = hb_buffer_serialize_format_from_string (options.output_format, -1);
/* An empty "output_format" parameter basically skips output generating.
* Useful for benchmarking. */
if ((!options.output_format || *options.output_format) &&
!hb_buffer_serialize_format_to_string (output_format))
{
if (options.explicit_output_format)
fail (false, "Unknown output format `%s'; supported formats are: %s",
options.output_format,
g_strjoinv ("/", const_cast<char**> (options.supported_formats)));
else
/* Just default to TEXT if not explicitly requested and the
* file extension is not recognized. */
output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
}
unsigned int flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
if (!format.show_glyph_names)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES;
if (!format.show_clusters)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
if (!format.show_positions)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
if (format.show_extents)
flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
format_flags = (hb_buffer_serialize_flags_t) flags;
}
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, 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,
output_format, format_flags, 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;
hb_buffer_serialize_format_t output_format;
hb_buffer_serialize_flags_t format_flags;
};
int
main (int argc, char **argv)
{
main_font_text_t<shape_consumer_t<output_buffer_t>, FONT_SIZE_UPEM, 0> driver;
return driver.main (argc, argv);
}
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