| /* |
| * 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_object_t* hb_objects, |
| unsigned num_hb_objs); |
| |
| #endif |
| |
| HB_END_DECLS |
| |
| #endif /* HB_SUBSET_REPACKER_H */ |