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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): Garret Rieger, Roderick Sheeter
*/
#ifndef HB_SUBSET_INPUT_HH
#define HB_SUBSET_INPUT_HH
#include "hb.hh"
#include "hb-subset.h"
#include "hb-map.hh"
#include "hb-set.hh"
#include "hb-font.hh"
struct hb_ot_name_record_ids_t
{
hb_ot_name_record_ids_t () = default;
hb_ot_name_record_ids_t (unsigned platform_id_,
unsigned encoding_id_,
unsigned language_id_,
unsigned name_id_)
:platform_id (platform_id_),
encoding_id (encoding_id_),
language_id (language_id_),
name_id (name_id_) {}
bool operator != (const hb_ot_name_record_ids_t o) const
{ return !(*this == o); }
inline bool operator == (const hb_ot_name_record_ids_t& o) const
{
return platform_id == o.platform_id &&
encoding_id == o.encoding_id &&
language_id == o.language_id &&
name_id == o.name_id;
}
inline uint32_t hash () const
{
uint32_t current = 0;
current = current * 31 + hb_hash (platform_id);
current = current * 31 + hb_hash (encoding_id);
current = current * 31 + hb_hash (language_id);
current = current * 31 + hb_hash (name_id);
return current;
}
unsigned platform_id;
unsigned encoding_id;
unsigned language_id;
unsigned name_id;
};
typedef struct hb_ot_name_record_ids_t hb_ot_name_record_ids_t;
HB_MARK_AS_FLAG_T (hb_subset_flags_t);
struct hb_subset_input_t
{
hb_object_header_t header;
struct sets_t {
hb_set_t *glyphs;
hb_set_t *unicodes;
hb_set_t *no_subset_tables;
hb_set_t *drop_tables;
hb_set_t *name_ids;
hb_set_t *name_languages;
hb_set_t *layout_features;
hb_set_t *layout_scripts;
};
union {
sets_t sets;
hb_set_t* set_ptrs[sizeof (sets_t) / sizeof (hb_set_t*)];
};
unsigned flags;
bool attach_accelerator_data = false;
// If set loca format will always be the long version.
bool force_long_loca = false;
hb_hashmap_t<hb_tag_t, float> *axes_location;
#ifdef HB_EXPERIMENTAL_API
hb_hashmap_t<hb_ot_name_record_ids_t, hb_bytes_t> *name_table_overrides;
#endif
inline unsigned num_sets () const
{
return sizeof (set_ptrs) / sizeof (hb_set_t*);
}
inline hb_array_t<hb_set_t*> sets_iter ()
{
return hb_array_t<hb_set_t*> (set_ptrs, num_sets ());
}
bool in_error () const
{
for (unsigned i = 0; i < num_sets (); i++)
{
if (unlikely (set_ptrs[i]->in_error ()))
return true;
}
return axes_location->in_error ()
#ifdef HB_EXPERIMENTAL_API
|| name_table_overrides->in_error ()
#endif
;
}
};
#endif /* HB_SUBSET_INPUT_HH */
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