/*

 * 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

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)] = {};

/*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)] = {};

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