kc3-lang/harfbuzz/util/shape-format.hh
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Hash : 798bb89c
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Date : 2021-08-06T23:29:29
[util] Move shape format options into shape-format.hh
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util/shape-format.hh
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/* * Copyright © 2011 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 */ #ifndef SHAPE_FORMAT_OPTIONS_HH #define SHAPE_FORMAT_OPTIONS_HH #include "options.hh" struct shape_format_options_t { void add_options (option_parser_t *parser); void serialize (hb_buffer_t *buffer, hb_font_t *font, hb_buffer_serialize_format_t format, hb_buffer_serialize_flags_t flags, GString *gs); void serialize_line_no (unsigned int line_no, GString *gs); void serialize_buffer_of_text (hb_buffer_t *buffer, unsigned int line_no, const char *text, unsigned int text_len, hb_font_t *font, GString *gs); void serialize_message (unsigned int line_no, const char *type, const char *msg, GString *gs); void serialize_buffer_of_glyphs (hb_buffer_t *buffer, unsigned int line_no, const char *text, unsigned int text_len, hb_font_t *font, hb_buffer_serialize_format_t output_format, hb_buffer_serialize_flags_t format_flags, GString *gs); hb_bool_t show_glyph_names = true; hb_bool_t show_positions = true; hb_bool_t show_advances = true; hb_bool_t show_clusters = true; hb_bool_t show_text = false; hb_bool_t show_unicode = false; hb_bool_t show_line_num = false; hb_bool_t show_extents = false; hb_bool_t show_flags = false; hb_bool_t trace = false; }; static gboolean parse_verbose (const char *name G_GNUC_UNUSED, const char *arg G_GNUC_UNUSED, gpointer data G_GNUC_UNUSED, GError **error G_GNUC_UNUSED) { shape_format_options_t *format_opts = (shape_format_options_t *) data; format_opts->show_text = format_opts->show_unicode = format_opts->show_line_num = true; return true; } static gboolean parse_ned (const char *name G_GNUC_UNUSED, const char *arg G_GNUC_UNUSED, gpointer data G_GNUC_UNUSED, GError **error G_GNUC_UNUSED) { shape_format_options_t *format_opts = (shape_format_options_t *) data; format_opts->show_clusters = format_opts->show_advances = false; return true; } inline void shape_format_options_t::serialize (hb_buffer_t *buffer, hb_font_t *font, hb_buffer_serialize_format_t output_format, hb_buffer_serialize_flags_t flags, GString *gs) { unsigned int num_glyphs = hb_buffer_get_length (buffer); unsigned int start = 0; while (start < num_glyphs) { char buf[32768]; unsigned int consumed; start += hb_buffer_serialize (buffer, start, num_glyphs, buf, sizeof (buf), &consumed, font, output_format, flags); if (!consumed) break; g_string_append (gs, buf); } } inline void shape_format_options_t::serialize_line_no (unsigned int line_no, GString *gs) { if (show_line_num) g_string_append_printf (gs, "%d: ", line_no); } inline void shape_format_options_t::serialize_buffer_of_text (hb_buffer_t *buffer, unsigned int line_no, const char *text, unsigned int text_len, hb_font_t *font, GString *gs) { if (show_text) { serialize_line_no (line_no, gs); g_string_append_c (gs, '('); g_string_append_len (gs, text, text_len); g_string_append_c (gs, ')'); g_string_append_c (gs, '\n'); } if (show_unicode) { serialize_line_no (line_no, gs); serialize (buffer, font, HB_BUFFER_SERIALIZE_FORMAT_TEXT, HB_BUFFER_SERIALIZE_FLAG_DEFAULT, gs); g_string_append_c (gs, '\n'); } } inline void shape_format_options_t::serialize_message (unsigned int line_no, const char *type, const char *msg, GString *gs) { serialize_line_no (line_no, gs); g_string_append_printf (gs, "%s: %s", type, msg); g_string_append_c (gs, '\n'); } inline void shape_format_options_t::serialize_buffer_of_glyphs (hb_buffer_t *buffer, unsigned int line_no, const char *text, unsigned int text_len, hb_font_t *font, hb_buffer_serialize_format_t output_format, hb_buffer_serialize_flags_t format_flags, GString *gs) { serialize_line_no (line_no, gs); serialize (buffer, font, output_format, format_flags, gs); g_string_append_c (gs, '\n'); } void shape_format_options_t::add_options (option_parser_t *parser) { GOptionEntry entries[] = { {"show-text", 0, 0, G_OPTION_ARG_NONE, &this->show_text, "Prefix each line of output with its corresponding input text", nullptr}, {"show-unicode", 0, 0, G_OPTION_ARG_NONE, &this->show_unicode, "Prefix each line of output with its corresponding input codepoint(s)", nullptr}, {"show-line-num", 0, 0, G_OPTION_ARG_NONE, &this->show_line_num, "Prefix each line of output with its corresponding input line number", nullptr}, {"verbose", 'v', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &parse_verbose, "Prefix each line of output with all of the above", nullptr}, {"no-glyph-names", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_glyph_names, "Output glyph indices instead of names", nullptr}, {"no-positions", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_positions, "Do not output glyph positions", nullptr}, {"no-advances", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_advances, "Do not output glyph advances", nullptr}, {"no-clusters", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_clusters, "Do not output cluster indices", nullptr}, {"show-extents", 0, 0, G_OPTION_ARG_NONE, &this->show_extents, "Output glyph extents", nullptr}, {"show-flags", 0, 0, G_OPTION_ARG_NONE, &this->show_flags, "Output glyph flags", nullptr}, {"ned", 'v', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &parse_ned, "No Extra Data; Do not output clusters or advances", nullptr}, {"trace", 'V', 0, G_OPTION_ARG_NONE, &this->trace, "Output interim shaping results", nullptr}, {nullptr} }; parser->add_group (entries, "output-syntax", "Output syntax:\n" " text: [<glyph name or index>=<glyph cluster index within input>@<horizontal displacement>,<vertical displacement>+<horizontal advance>,<vertical advance>|...]\n" " json: [{\"g\": <glyph name or index>, \"ax\": <horizontal advance>, \"ay\": <vertical advance>, \"dx\": <horizontal displacement>, \"dy\": <vertical displacement>, \"cl\": <glyph cluster index within input>}, ...]\n" "\nOutput syntax options:", "Options for the syntax of the output", this); } #endif