78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
|
|
* Copyright © 2022 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): Garret Rieger
|
|
*/
|
|
|
|
#ifndef HB_SUBSET_ACCELERATOR_HH
|
|
#define HB_SUBSET_ACCELERATOR_HH
|
|
|
|
|
|
#include "hb.hh"
|
|
|
|
#include "hb-map.hh"
|
|
#include "hb-set.hh"
|
|
|
|
extern HB_INTERNAL hb_user_data_key_t _hb_subset_accelerator_user_data_key;
|
|
|
|
struct hb_subset_accelerator_t
|
|
{
|
|
static hb_user_data_key_t* user_data_key()
|
|
{
|
|
return &_hb_subset_accelerator_user_data_key;
|
|
}
|
|
|
|
static hb_subset_accelerator_t* create(const hb_map_t& unicode_to_gid_,
|
|
const hb_set_t& unicodes_) {
|
|
hb_subset_accelerator_t* accel =
|
|
(hb_subset_accelerator_t*) hb_malloc (sizeof(hb_subset_accelerator_t));
|
|
new (accel) hb_subset_accelerator_t (unicode_to_gid_, unicodes_);
|
|
return accel;
|
|
}
|
|
|
|
static void destroy(void* value) {
|
|
if (!value) return;
|
|
|
|
hb_subset_accelerator_t* accel = (hb_subset_accelerator_t*) value;
|
|
accel->~hb_subset_accelerator_t ();
|
|
hb_free (accel);
|
|
}
|
|
|
|
hb_subset_accelerator_t(const hb_map_t& unicode_to_gid_,
|
|
const hb_set_t& unicodes_)
|
|
: unicode_to_gid(unicode_to_gid_), unicodes(unicodes_) {}
|
|
|
|
const hb_map_t unicode_to_gid;
|
|
const hb_set_t unicodes;
|
|
// TODO(garretrieger): cumulative glyf checksum map
|
|
// TODO(garretrieger): sanitized table cache.
|
|
|
|
bool in_error () const
|
|
{
|
|
return unicode_to_gid.in_error() || unicodes.in_error ();
|
|
}
|
|
};
|
|
|
|
|
|
#endif /* HB_SUBSET_ACCELERATOR_HH */
|