115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
/*
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* Copyright © 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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#ifdef HAVE_FREETYPE
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#include <hb-ft.h>
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#endif
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struct shape_closure_consumer_t : option_group_t
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{
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void add_options (struct option_parser_t *parser) override
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{
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shaper.add_options (parser);
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GOptionEntry entries[] =
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{
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{"no-glyph-names", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_glyph_names, "Use glyph indices instead of names", nullptr},
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{nullptr}
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};
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parser->add_group (entries,
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"format",
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"Format options:",
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"Options controlling output formatting",
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this);
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}
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void init (hb_buffer_t *buffer_,
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const font_options_t *font_opts)
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{
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glyphs = hb_set_create ();
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font = hb_font_reference (font_opts->get_font ());
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failed = false;
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buffer = hb_buffer_reference (buffer_);
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}
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void consume_line (const char *text,
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unsigned int text_len,
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const char *text_before,
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const char *text_after)
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{
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hb_set_clear (glyphs);
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shaper.shape_closure (text, text_len, font, buffer, glyphs);
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if (hb_set_is_empty (glyphs))
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return;
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/* Print it out! */
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bool first = true;
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for (hb_codepoint_t i = -1; hb_set_next (glyphs, &i);)
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{
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if (first)
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first = false;
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else
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printf (" ");
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if (show_glyph_names)
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{
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char glyph_name[64];
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hb_font_glyph_to_string (font, i, glyph_name, sizeof (glyph_name));
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printf ("%s", glyph_name);
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} else
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printf ("%u", i);
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}
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}
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void finish (const font_options_t *font_opts)
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{
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printf ("\n");
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hb_font_destroy (font);
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font = nullptr;
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hb_set_destroy (glyphs);
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glyphs = nullptr;
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hb_buffer_destroy (buffer);
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buffer = nullptr;
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}
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bool failed;
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protected:
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shape_options_t shaper;
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hb_bool_t show_glyph_names = false;
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hb_set_t *glyphs = nullptr;
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hb_font_t *font = nullptr;
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hb_buffer_t *buffer = nullptr;
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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_closure_consumer_t, FONT_SIZE_NONE, 0> driver;
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return driver.main (argc, argv);
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}
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