70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
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/*
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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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