HarfBuzz text shaping engine
http://harfbuzz.github.io/
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116 lines
3.0 KiB
116 lines
3.0 KiB
/* |
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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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#include "common.hh" |
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#ifndef OPTIONS_HH |
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#define OPTIONS_HH |
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#define DEFAULT_MARGIN 18 |
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#define DEFAULT_FORE "#000000" |
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#define DEFAULT_BACK "#FFFFFF" |
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extern struct view_options_t |
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{ |
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view_options_t (void) { |
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memset (this, 0, sizeof (*this)); |
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fore = DEFAULT_FORE; |
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back = DEFAULT_BACK; |
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margin.t = margin.r = margin.b = margin.l = DEFAULT_MARGIN; |
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} |
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hb_bool_t annotate; |
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const char *fore; |
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const char *back; |
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double line_space; |
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struct margin_t { |
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double t, r, b, l; |
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} margin; |
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} view_opts[1]; |
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extern struct shape_options_t |
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{ |
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shape_options_t (void) { |
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memset (this, 0, sizeof (*this)); |
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} |
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~shape_options_t (void) { |
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free (features); |
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g_free (shapers); |
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} |
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void setup_buffer (hb_buffer_t *buffer) { |
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if (direction) |
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hb_buffer_set_direction (buffer, hb_direction_from_string (direction, -1)); |
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if (script) |
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hb_buffer_set_script (buffer, hb_script_from_string (script, -1)); |
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if (language) |
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hb_buffer_set_language (buffer, hb_language_from_string (language, -1)); |
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} |
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bool shape (hb_font_t *font, hb_buffer_t *buffer) { |
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setup_buffer (buffer); |
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return hb_shape_full (font, buffer, features, num_features, NULL, shapers); |
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} |
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const char *text; |
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const char *direction; |
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const char *language; |
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const char *script; |
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hb_feature_t *features; |
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unsigned int num_features; |
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char **shapers; |
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} shape_opts[1]; |
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#define DEFAULT_FONT_SIZE 36 |
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extern struct font_options_t |
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{ |
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font_options_t (void) { |
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memset (this, 0, sizeof (*this)); |
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font_size = DEFAULT_FONT_SIZE; |
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} |
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const char *font_file; |
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int face_index; |
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double font_size; |
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} font_opts[1]; |
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extern const char *out_file; |
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extern hb_bool_t debug; |
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void option_context_add_view_opts (GOptionContext *context); |
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void option_context_add_shape_opts (GOptionContext *context); |
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void option_context_add_font_opts (GOptionContext *context); |
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void parse_options (int argc, char *argv[]); |
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#endif
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