Behdad Esfahbod
4 years ago
parent
c3599fded7
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798bb89c96
7 changed files with 220 additions and 181 deletions
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/*
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* Copyright © 2011 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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#ifndef SHAPE_FORMAT_OPTIONS_HH |
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#define SHAPE_FORMAT_OPTIONS_HH |
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#include "options.hh" |
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struct shape_format_options_t |
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{ |
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void add_options (option_parser_t *parser); |
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void serialize (hb_buffer_t *buffer, |
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hb_font_t *font, |
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hb_buffer_serialize_format_t format, |
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hb_buffer_serialize_flags_t flags, |
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GString *gs); |
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void serialize_line_no (unsigned int line_no, |
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GString *gs); |
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void serialize_buffer_of_text (hb_buffer_t *buffer, |
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unsigned int line_no, |
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const char *text, |
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unsigned int text_len, |
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hb_font_t *font, |
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GString *gs); |
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void serialize_message (unsigned int line_no, |
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const char *type, |
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const char *msg, |
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GString *gs); |
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void serialize_buffer_of_glyphs (hb_buffer_t *buffer, |
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unsigned int line_no, |
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const char *text, |
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unsigned int text_len, |
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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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GString *gs); |
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hb_bool_t show_glyph_names = true; |
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hb_bool_t show_positions = true; |
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hb_bool_t show_advances = true; |
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hb_bool_t show_clusters = true; |
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hb_bool_t show_text = false; |
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hb_bool_t show_unicode = false; |
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hb_bool_t show_line_num = false; |
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hb_bool_t show_extents = false; |
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hb_bool_t show_flags = false; |
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hb_bool_t trace = false; |
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}; |
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static gboolean |
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parse_verbose (const char *name G_GNUC_UNUSED, |
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const char *arg G_GNUC_UNUSED, |
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gpointer data G_GNUC_UNUSED, |
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GError **error G_GNUC_UNUSED) |
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{ |
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shape_format_options_t *format_opts = (shape_format_options_t *) data; |
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format_opts->show_text = format_opts->show_unicode = format_opts->show_line_num = true; |
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return true; |
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} |
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static gboolean |
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parse_ned (const char *name G_GNUC_UNUSED, |
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const char *arg G_GNUC_UNUSED, |
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gpointer data G_GNUC_UNUSED, |
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GError **error G_GNUC_UNUSED) |
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{ |
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shape_format_options_t *format_opts = (shape_format_options_t *) data; |
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format_opts->show_clusters = format_opts->show_advances = false; |
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return true; |
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} |
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inline void |
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shape_format_options_t::serialize (hb_buffer_t *buffer, |
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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 flags, |
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GString *gs) |
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{ |
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unsigned int num_glyphs = hb_buffer_get_length (buffer); |
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unsigned int start = 0; |
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while (start < num_glyphs) |
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{ |
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char buf[32768]; |
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unsigned int consumed; |
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start += hb_buffer_serialize (buffer, start, num_glyphs, |
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buf, sizeof (buf), &consumed, |
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font, output_format, flags); |
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if (!consumed) |
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break; |
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g_string_append (gs, buf); |
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} |
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} |
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inline void |
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shape_format_options_t::serialize_line_no (unsigned int line_no, |
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GString *gs) |
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{ |
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if (show_line_num) |
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g_string_append_printf (gs, "%d: ", line_no); |
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} |
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inline void |
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shape_format_options_t::serialize_buffer_of_text (hb_buffer_t *buffer, |
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unsigned int line_no, |
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const char *text, |
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unsigned int text_len, |
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hb_font_t *font, |
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GString *gs) |
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{ |
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if (show_text) |
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{ |
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serialize_line_no (line_no, gs); |
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g_string_append_c (gs, '('); |
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g_string_append_len (gs, text, text_len); |
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g_string_append_c (gs, ')'); |
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g_string_append_c (gs, '\n'); |
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} |
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if (show_unicode) |
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{ |
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serialize_line_no (line_no, gs); |
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serialize (buffer, font, HB_BUFFER_SERIALIZE_FORMAT_TEXT, HB_BUFFER_SERIALIZE_FLAG_DEFAULT, gs); |
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g_string_append_c (gs, '\n'); |
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} |
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} |
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inline void |
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shape_format_options_t::serialize_message (unsigned int line_no, |
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const char *type, |
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const char *msg, |
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GString *gs) |
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{ |
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serialize_line_no (line_no, gs); |
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g_string_append_printf (gs, "%s: %s", type, msg); |
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g_string_append_c (gs, '\n'); |
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} |
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inline void |
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shape_format_options_t::serialize_buffer_of_glyphs (hb_buffer_t *buffer, |
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unsigned int line_no, |
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const char *text, |
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unsigned int text_len, |
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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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GString *gs) |
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{ |
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serialize_line_no (line_no, gs); |
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serialize (buffer, font, output_format, format_flags, gs); |
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g_string_append_c (gs, '\n'); |
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} |
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void |
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shape_format_options_t::add_options (option_parser_t *parser) |
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{ |
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GOptionEntry entries[] = |
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{ |
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{"show-text", 0, 0, G_OPTION_ARG_NONE, &this->show_text, "Prefix each line of output with its corresponding input text", nullptr}, |
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{"show-unicode", 0, 0, G_OPTION_ARG_NONE, &this->show_unicode, "Prefix each line of output with its corresponding input codepoint(s)", nullptr}, |
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{"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}, |
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{"verbose", 'v', G_OPTION_FLAG_NO_ARG, |
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G_OPTION_ARG_CALLBACK, (gpointer) &parse_verbose, "Prefix each line of output with all of the above", nullptr}, |
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{"no-glyph-names", 0, G_OPTION_FLAG_REVERSE, |
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G_OPTION_ARG_NONE, &this->show_glyph_names, "Output glyph indices instead of names", nullptr}, |
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{"no-positions", 0, G_OPTION_FLAG_REVERSE, |
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G_OPTION_ARG_NONE, &this->show_positions, "Do not output glyph positions", nullptr}, |
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{"no-advances", 0, G_OPTION_FLAG_REVERSE, |
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G_OPTION_ARG_NONE, &this->show_advances, "Do not output glyph advances", nullptr}, |
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{"no-clusters", 0, G_OPTION_FLAG_REVERSE, |
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G_OPTION_ARG_NONE, &this->show_clusters, "Do not output cluster indices", nullptr}, |
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{"show-extents", 0, 0, G_OPTION_ARG_NONE, &this->show_extents, "Output glyph extents", nullptr}, |
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{"show-flags", 0, 0, G_OPTION_ARG_NONE, &this->show_flags, "Output glyph flags", nullptr}, |
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{"ned", 'v', G_OPTION_FLAG_NO_ARG, |
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G_OPTION_ARG_CALLBACK, (gpointer) &parse_ned, "No Extra Data; Do not output clusters or advances", nullptr}, |
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{"trace", 'V', 0, G_OPTION_ARG_NONE, &this->trace, "Output interim shaping results", nullptr}, |
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{nullptr} |
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}; |
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parser->add_group (entries, |
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"output-syntax", |
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"Output syntax:\n" |
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" text: [<glyph name or index>=<glyph cluster index within input>@<horizontal displacement>,<vertical displacement>+<horizontal advance>,<vertical advance>|...]\n" |
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" 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" |
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"\nOutput syntax options:", |
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"Options for the syntax of the output", |
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this); |
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} |
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#endif |
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