50 lines
1.8 KiB
C++
50 lines
1.8 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.
|
|
*
|
|
*/
|
|
#include "hb-repacker.hh"
|
|
|
|
#ifdef HB_EXPERIMENTAL_API
|
|
/**
|
|
* hb_subset_repack_or_fail:
|
|
* @hb_objects: raw array of struct hb_object_t, which provides
|
|
* object graph info
|
|
* @num_hb_objs: number of hb_object_t in the hb_objects array.
|
|
*
|
|
* Given the input object graph info, repack a table to eliminate
|
|
* offset overflows. A nullptr is returned if the repacking attempt fails.
|
|
*
|
|
* Since: EXPERIMENTAL
|
|
**/
|
|
hb_blob_t* hb_subset_repack_or_fail (hb_object_t* hb_objects, unsigned num_hb_objs)
|
|
{
|
|
hb_vector_t<const hb_object_t *> packed;
|
|
packed.alloc (num_hb_objs + 1);
|
|
packed.push (nullptr);
|
|
for (unsigned i = 0 ; i < num_hb_objs ; i++)
|
|
packed.push (&(hb_objects[i]));
|
|
return hb_resolve_overflows (packed, HB_OT_TAG_GSUB);
|
|
}
|
|
#endif
|
|
|