81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
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/*
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* Copyright © 2022 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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*/
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#ifndef HB_SUBSET_REPACKER_H
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#define HB_SUBSET_REPACKER_H
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#include "hb.h"
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HB_BEGIN_DECLS
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#ifdef HB_EXPERIMENTAL_API
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/**
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* struct hb_link_t
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* width: offsetSize in bytes
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* position: position of the offset field in bytes
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* from beginning of subtable
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* objidx: index of subtable
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**/
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struct hb_link_t
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{
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unsigned width;
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unsigned position;
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unsigned objidx;
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};
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typedef struct hb_link_t hb_link_t;
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/**
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* struct hb_object_t
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* head: start of object data
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* tail: end of object data
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* num_real_links: num of offset field in the object
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* real_links: pointer to array of offset info
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* num_virtual_links: num of objects that must be packed
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* after current object in the final serialized order
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* virtual_links: array of virtual link info
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**/
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struct hb_object_t
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{
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char *head;
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char *tail;
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unsigned num_real_links;
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hb_link_t *real_links;
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unsigned num_virtual_links;
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hb_link_t *virtual_links;
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};
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typedef struct hb_object_t hb_object_t;
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HB_EXTERN hb_blob_t*
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hb_subset_repack_or_fail (hb_object_t* hb_objects,
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unsigned num_hb_objs);
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#endif
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HB_END_DECLS
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#endif /* HB_SUBSET_REPACKER_H */
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