fdd1770e00
New API: HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS hb-shape now accepts --show-extents. Patch from Simon Cozens.
134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/*
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* Copyright © 2010 Behdad Esfahbod
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* Copyright © 2011,2012 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#include "main-font-text.hh"
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#include "shape-consumer.hh"
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struct output_buffer_t
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{
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output_buffer_t (option_parser_t *parser)
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: options (parser, hb_buffer_serialize_list_formats ()),
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format (parser),
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gs (NULL),
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line_no (0),
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font (NULL) {}
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void init (const font_options_t *font_opts)
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{
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options.get_file_handle ();
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gs = g_string_new (NULL);
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line_no = 0;
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font = hb_font_reference (font_opts->get_font ());
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if (!options.output_format)
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output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
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else
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output_format = hb_buffer_serialize_format_from_string (options.output_format, -1);
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/* An empty "output_format" parameter basically skips output generating.
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* Useful for benchmarking. */
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if ((!options.output_format || *options.output_format) &&
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!hb_buffer_serialize_format_to_string (output_format))
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{
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if (options.explicit_output_format)
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fail (false, "Unknown output format `%s'; supported formats are: %s",
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options.output_format,
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g_strjoinv ("/", const_cast<char**> (options.supported_formats)));
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else
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/* Just default to TEXT if not explicitly requested and the
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* file extension is not recognized. */
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output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
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}
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unsigned int flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
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if (!format.show_glyph_names)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES;
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if (!format.show_clusters)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
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if (!format.show_positions)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
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if (format.show_extents)
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flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
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format_flags = (hb_buffer_serialize_flags_t) flags;
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}
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void new_line (void)
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{
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line_no++;
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}
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void consume_text (hb_buffer_t *buffer,
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const char *text,
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unsigned int text_len,
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hb_bool_t utf8_clusters)
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{
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g_string_set_size (gs, 0);
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format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
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fprintf (options.fp, "%s", gs->str);
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}
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void shape_failed (hb_buffer_t *buffer,
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const char *text,
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unsigned int text_len,
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hb_bool_t utf8_clusters)
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{
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g_string_set_size (gs, 0);
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format.serialize_message (line_no, "msg: all shapers failed", gs);
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fprintf (options.fp, "%s", gs->str);
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}
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void consume_glyphs (hb_buffer_t *buffer,
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const char *text,
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unsigned int text_len,
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hb_bool_t utf8_clusters)
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{
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g_string_set_size (gs, 0);
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format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font,
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output_format, format_flags, gs);
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fprintf (options.fp, "%s", gs->str);
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}
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void finish (const font_options_t *font_opts)
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{
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hb_font_destroy (font);
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g_string_free (gs, true);
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gs = NULL;
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font = NULL;
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}
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protected:
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output_options_t options;
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format_options_t format;
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GString *gs;
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unsigned int line_no;
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hb_font_t *font;
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hb_buffer_serialize_format_t output_format;
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hb_buffer_serialize_flags_t format_flags;
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};
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int
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main (int argc, char **argv)
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{
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main_font_text_t<shape_consumer_t<output_buffer_t>, FONT_SIZE_UPEM, 0> driver;
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return driver.main (argc, argv);
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}
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