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hb-static.cc
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hb-static.cc
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/*
* Copyright © 2018 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#include "hb-open-type.hh"
#include "hb-face.hh"
#include "hb-aat-layout-common.hh"
#include "hb-aat-layout-feat-table.hh"
#include "hb-ot-layout-common.hh"
#include "hb-ot-cmap-table.hh"
#include "hb-ot-head-table.hh"
#include "hb-ot-maxp-table.hh"
#ifndef HB_NO_VISIBILITY
#include "hb-ot-name-language-static.hh"
uint64_t const _hb_NullPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof (uint64_t)] = {};
/*thread_local*/ uint64_t _hb_CrapPool[(HB_NULL_POOL_SIZE + sizeof (uint64_t) - 1) / sizeof (uint64_t)] = {};
DEFINE_NULL_NAMESPACE_BYTES (OT, Index) = {0xFF,0xFF};
DEFINE_NULL_NAMESPACE_BYTES (OT, LangSys) = {0x00,0x00, 0xFF,0xFF, 0x00,0x00};
DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0x00,0x01, 0x00,0x00, 0x00, 0x00};
DEFINE_NULL_NAMESPACE_BYTES (OT, CmapSubtableLongGroup) = {0x00,0x00,0x00,0x01, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00};
DEFINE_NULL_NAMESPACE_BYTES (AAT, SettingName) = {0xFF,0xFF, 0xFF,0xFF};
/* Hand-coded because Lookup is a template. Sad. */
const unsigned char _hb_Null_AAT_Lookup[2] = {0xFF, 0xFF};
unsigned int
hb_face_t::load_num_glyphs () const
{
hb_sanitize_context_t c = hb_sanitize_context_t ();
c.set_num_glyphs (0); /* So we don't recurse ad infinitum. */
hb_blob_t *maxp_blob = c.reference_table<OT::maxp> (this);
const OT::maxp *maxp_table = maxp_blob->as<OT::maxp> ();
unsigned int ret = maxp_table->get_num_glyphs ();
num_glyphs.set_relaxed (ret);
hb_blob_destroy (maxp_blob);
return ret;
}
unsigned int
hb_face_t::load_upem () const
{
unsigned int ret = table.head->get_upem ();
upem.set_relaxed (ret);
return ret;
}
#endif