63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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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 "hb-fallback-shape-private.hh"
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#include "hb-buffer-private.hh"
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hb_bool_t
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hb_fallback_shape (hb_font_t *font,
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hb_buffer_t *buffer,
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const hb_feature_t *features,
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unsigned int num_features,
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const char * const *shaper_options)
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{
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buffer->guess_properties ();
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unsigned int count = buffer->len;
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for (unsigned int i = 0; i < count; i++)
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hb_font_get_glyph (font, buffer->info[i].codepoint, 0, &buffer->info[i].codepoint);
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buffer->clear_positions ();
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for (unsigned int i = 0; i < count; i++) {
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hb_font_get_glyph_advance_for_direction (font, buffer->info[i].codepoint,
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buffer->props.direction,
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&buffer->pos[i].x_advance,
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&buffer->pos[i].y_advance);
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hb_font_subtract_glyph_origin_for_direction (font, buffer->info[i].codepoint,
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buffer->props.direction,
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&buffer->pos[i].x_offset,
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&buffer->pos[i].y_offset);
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}
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if (HB_DIRECTION_IS_BACKWARD (buffer->props.direction))
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hb_buffer_reverse (buffer);
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return TRUE;
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}
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