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/*
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* Copyright © 2018 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Rod Sheeter
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*/
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#ifndef HB_SUBSET_H
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#define HB_SUBSET_H
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#include "hb.h"
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HB_BEGIN_DECLS
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/*
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* hb_subset_profile_t
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* Things that change based on target environment, e.g. OS.
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* Threadsafe for multiple concurrent subset operations.
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*/
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typedef struct hb_subset_profile_t hb_subset_profile_t;
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HB_EXTERN hb_subset_profile_t *
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hb_subset_profile_create (void);
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HB_EXTERN void
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hb_subset_profile_destroy (hb_subset_profile_t *profile);
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/*
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* hb_subset_input_t
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*
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* Things that change based on the input. Characters to keep, etc.
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*/
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typedef struct hb_subset_input_t hb_subset_input_t;
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HB_EXTERN hb_subset_input_t *
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hb_subset_input_create_or_fail (void);
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HB_EXTERN hb_subset_input_t *
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hb_subset_input_reference (hb_subset_input_t *subset_input);
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HB_EXTERN void
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hb_subset_input_destroy (hb_subset_input_t *subset_input);
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HB_EXTERN hb_set_t *
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hb_subset_input_unicode_set (hb_subset_input_t *subset_input);
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HB_EXTERN hb_set_t *
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hb_subset_input_glyph_set (hb_subset_input_t *subset_input);
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HB_EXTERN hb_bool_t *
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hb_subset_input_drop_hints (hb_subset_input_t *subset_input);
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HB_EXTERN hb_bool_t *
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hb_subset_input_drop_ot_layout (hb_subset_input_t *subset_input);
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/* hb_subset() */
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HB_EXTERN hb_face_t *
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hb_subset (hb_face_t *source,
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hb_subset_profile_t *profile,
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hb_subset_input_t *input);
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/* hb_subset_get_all_codepoints */
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HB_EXTERN void
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hb_subset_get_all_codepoints (hb_face_t *source, hb_set_t *out);
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HB_END_DECLS
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#endif /* HB_SUBSET_H */
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