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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): Rod Sheeter
*/
#ifndef HB_SUBSET_H
#define HB_SUBSET_H
#include "hb.h"
HB_BEGIN_DECLS
/*
* hb_subset_profile_t
* Things that change based on target environment, e.g. OS.
* Threadsafe for multiple concurrent subset operations.
*/
typedef struct hb_subset_profile_t hb_subset_profile_t;
HB_EXTERN hb_subset_profile_t *
hb_subset_profile_create (void);
HB_EXTERN void
hb_subset_profile_destroy (hb_subset_profile_t *profile);
/*
* hb_subset_input_t
*
* Things that change based on the input. Characters to keep, etc.
*/
typedef struct hb_subset_input_t hb_subset_input_t;
HB_EXTERN hb_subset_input_t *
hb_subset_input_create_or_fail (void);
HB_EXTERN hb_subset_input_t *
hb_subset_input_reference (hb_subset_input_t *subset_input);
HB_EXTERN void
hb_subset_input_destroy (hb_subset_input_t *subset_input);
HB_EXTERN hb_set_t *
hb_subset_input_unicode_set (hb_subset_input_t *subset_input);
HB_EXTERN hb_set_t *
hb_subset_input_glyph_set (hb_subset_input_t *subset_input);
HB_EXTERN hb_bool_t *
hb_subset_input_drop_hints (hb_subset_input_t *subset_input);
HB_EXTERN hb_bool_t *
hb_subset_input_drop_ot_layout (hb_subset_input_t *subset_input);
/* hb_subset() */
HB_EXTERN hb_face_t *
hb_subset (hb_face_t *source,
hb_subset_profile_t *profile,
hb_subset_input_t *input);
/* hb_subset_get_all_codepoints */
HB_EXTERN void
hb_subset_get_all_codepoints (hb_face_t *source, hb_set_t *out);
HB_END_DECLS
#endif /* HB_SUBSET_H */
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