HarfBuzz text shaping engine
http://harfbuzz.github.io/
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69 lines
1.9 KiB
69 lines
1.9 KiB
/* |
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* Copyright © 2011,2012 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 "options.hh" |
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#ifndef HB_SHAPE_CONSUMER_HH |
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#define HB_SHAPE_CONSUMER_HH |
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template <typename output_t> |
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struct shape_consumer_t |
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{ |
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shape_consumer_t (option_parser_t *parser) |
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: shaper (parser), |
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output (parser) {} |
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void init (const font_options_t *font_opts) |
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{ |
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font = hb_font_reference (font_opts->get_font ()); |
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output.init (font_opts); |
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} |
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void consume_line (hb_buffer_t *buffer, |
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const char *text, |
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unsigned int text_len) |
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{ |
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if (!shaper.shape (text, text_len, font, buffer)) |
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fail (FALSE, "All shapers failed"); |
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output.consume_line (buffer, text, text_len, shaper.utf8_clusters); |
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} |
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void finish (const font_options_t *font_opts) |
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{ |
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output.finish (font_opts); |
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hb_font_destroy (font); |
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font = NULL; |
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} |
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protected: |
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shape_options_t shaper; |
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output_t output; |
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hb_font_t *font; |
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}; |
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#endif
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