HarfBuzz text shaping engine
http://harfbuzz.github.io/
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66 lines
2.4 KiB
66 lines
2.4 KiB
/* |
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* Copyright © 2018 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.hh" |
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#include "hb-open-type.hh" |
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#include "hb-ot-layout-common.hh" |
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#include "hb-face.hh" |
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#include "hb-ot-head-table.hh" |
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#include "hb-ot-maxp-table.hh" |
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#ifndef HB_NO_VISIBILITY |
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hb_vector_size_impl_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (hb_vector_size_impl_t) - 1) / sizeof (hb_vector_size_impl_t)] = {}; |
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/*thread_local*/ hb_vector_size_impl_t _hb_CrapPool[(HB_NULL_POOL_SIZE + sizeof (hb_vector_size_impl_t) - 1) / sizeof (hb_vector_size_impl_t)] = {}; |
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DEFINE_NULL_NAMESPACE_BYTES (OT, Index) = {0xFF,0xFF}; |
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DEFINE_NULL_NAMESPACE_BYTES (OT, LangSys) = {0x00,0x00, 0xFF,0xFF, 0x00,0x00}; |
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DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0x00,0x01, 0x00,0x00, 0x00, 0x00}; |
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void |
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hb_face_t::load_num_glyphs (void) const |
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{ |
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hb_sanitize_context_t c = hb_sanitize_context_t (); |
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c.set_num_glyphs (0); /* So we don't recurse ad infinitum. */ |
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hb_blob_t *maxp_blob = c.reference_table<OT::maxp> (this); |
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const OT::maxp *maxp_table = maxp_blob->as<OT::maxp> (); |
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num_glyphs = maxp_table->get_num_glyphs (); |
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hb_blob_destroy (maxp_blob); |
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} |
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void |
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hb_face_t::load_upem (void) const |
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{ |
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hb_blob_t *head_blob = hb_sanitize_context_t ().reference_table<OT::head> (this); |
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const OT::head *head_table = head_blob->as<OT::head> (); |
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upem = head_table->get_upem (); |
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hb_blob_destroy (head_blob); |
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} |
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#endif
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