/*
* 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-cff-interp-common.hh"
#include "hb-ot-layout-common.hh"
#include "hb-ot-cmap-table.hh"
#include "OT/Color/COLR/COLR.hh"
#include "hb-ot-glyf-table.hh"
#include "hb-ot-head-table.hh"
#include "hb-ot-hmtx-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) = {0 xFF,0 xFF};
DEFINE_NULL_NAMESPACE_BYTES (OT, VarIdx) = {0 xFF,0 xFF,0 xFF,0 xFF};
DEFINE_NULL_NAMESPACE_BYTES (OT, LangSys) = {0 x00,0 x00, 0 xFF,0 xFF, 0 x00,0 x00};
DEFINE_NULL_NAMESPACE_BYTES (OT, RangeRecord) = {0 x01};
DEFINE_NULL_NAMESPACE_BYTES (OT, ClipRecord) = {0 x01};
DEFINE_NULL_NAMESPACE_BYTES (OT, CmapSubtableLongGroup) = {0 x00,0 x00,0 x00,0 x01, 0 x00,0 x00,0 x00,0 x00, 0 x00,0 x00,0 x00,0 x00};
DEFINE_NULL_NAMESPACE_BYTES (AAT, SettingName) = {0 xFF,0 xFF, 0 xFF,0 xFF};
DEFINE_NULL_NAMESPACE_BYTES (AAT, Lookup) = {0 xFF,0 xFF};
/* hb_map_t */
const hb_codepoint_t minus_1 = -1 ;
static const unsigned char static_endchar_str[] = {OpCode_endchar};
const unsigned char *endchar_str = static_endchar_str;
/* hb_face_t */
#ifndef HB_NO_BEYOND_64K
static inline unsigned
load_num_glyphs_from_loca (const hb_face_t *face)
{
unsigned ret = 0 ;
unsigned indexToLocFormat = face->table.head->indexToLocFormat;
if (indexToLocFormat <= 1 )
{
bool short_offset = 0 == indexToLocFormat;
hb_blob_t *loca_blob = face->table.loca.get_blob ();
ret = hb_max (1 u, loca_blob->length / (short_offset ? 2 : 4 )) - 1 ;
}
return ret;
}
#endif
static inline unsigned
load_num_glyphs_from_maxp (const hb_face_t *face)
{
return face->table.maxp->get_num_glyphs ();
}
unsigned int
hb_face_t::load_num_glyphs () const
{
unsigned ret = 0 ;
#ifndef HB_NO_BEYOND_64K
ret = hb_max (ret, load_num_glyphs_from_loca (this ));
#endif
ret = hb_max (ret, load_num_glyphs_from_maxp (this ));
num_glyphs = ret;
return ret;
}
unsigned int
hb_face_t::load_upem () const
{
unsigned int ret = table.head->get_upem ();
upem = ret;
return ret;
}
#ifndef HB_NO_VAR
bool
_glyf_get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical,
int *lsb)
{
return font->face->table.glyf->get_leading_bearing_with_var_unscaled (font, glyph, is_vertical, lsb);
}
unsigned
_glyf_get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical)
{
return font->face->table.glyf->get_advance_with_var_unscaled (font, glyph, is_vertical);
}
#endif
bool
_glyf_get_leading_bearing_without_var_unscaled (hb_face_t *face, hb_codepoint_t gid, bool is_vertical, int *lsb)
{
return face->table.glyf->get_leading_bearing_without_var_unscaled (gid, is_vertical, lsb);
}
#endif
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(vorverarbeitet am 2026-06-10)
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