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