| /* |
| * 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); |
| } |