src/hb-subset.h

   1 /*
   2  * Copyright © 2018  Google, Inc.
   3  *
   4  *  This is part of HarfBuzz, a text shaping library.
   5  *
   6  * Permission is hereby granted, without written agreement and without
   7  * license or royalty fees, to use, copy, modify, and distribute this
   8  * software and its documentation for any purpose, provided that the
   9  * above copyright notice and the following two paragraphs appear in
  10  * all copies of this software.
  11  *
  12  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  13  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  14  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  15  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  16  * DAMAGE.
  17  *
  18  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  19  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  20  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  21  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  22  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  23  *
  24  * Google Author(s): Rod Sheeter
  25  */
  26
  27 #ifndef HB_SUBSET_H
  28 #define HB_SUBSET_H
  29
  30 #include "hb.h"
  31
  32 HB_BEGIN_DECLS
  33
  34 /*
  35  * hb_subset_input_t
  36  *
  37  * Things that change based on the input. Characters to keep, etc.
  38  */
  39
  40 typedef struct hb_subset_input_t hb_subset_input_t;
  41
  42 HB_EXTERN hb_subset_input_t *
  43 hb_subset_input_create_or_fail (void);
  44
  45 HB_EXTERN hb_subset_input_t *
  46 hb_subset_input_reference (hb_subset_input_t *subset_input);
  47
  48 HB_EXTERN void
  49 hb_subset_input_destroy (hb_subset_input_t *subset_input);
  50
  51 HB_EXTERN hb_set_t *
  52 hb_subset_input_unicode_set (hb_subset_input_t *subset_input);
  53
  54 HB_EXTERN hb_set_t *
  55 hb_subset_input_glyph_set (hb_subset_input_t *subset_input);
  56
  57 HB_EXTERN hb_set_t *
  58 hb_subset_input_nameid_set (hb_subset_input_t *subset_input);
  59
  60 HB_EXTERN hb_set_t *
  61 hb_subset_input_namelangid_set (hb_subset_input_t *subset_input);
  62
  63 HB_EXTERN hb_set_t *
  64 hb_subset_input_drop_tables_set (hb_subset_input_t *subset_input);
  65
  66 HB_EXTERN void
  67 hb_subset_input_set_drop_hints (hb_subset_input_t *subset_input,
  68                                 hb_bool_t drop_hints);
  69 HB_EXTERN hb_bool_t
  70 hb_subset_input_get_drop_hints (hb_subset_input_t *subset_input);
  71
  72 HB_EXTERN void
  73 hb_subset_input_set_desubroutinize (hb_subset_input_t *subset_input,
  74                                     hb_bool_t desubroutinize);
  75 HB_EXTERN hb_bool_t
  76 hb_subset_input_get_desubroutinize (hb_subset_input_t *subset_input);
  77
  78 HB_EXTERN void
  79 hb_subset_input_set_retain_gids (hb_subset_input_t *subset_input,
  80                                  hb_bool_t retain_gids);
  81 HB_EXTERN hb_bool_t
  82 hb_subset_input_get_retain_gids (hb_subset_input_t *subset_input);
  83
  84 HB_EXTERN void
  85 hb_subset_input_set_name_legacy (hb_subset_input_t *subset_input,
  86                                  hb_bool_t name_legacy);
  87 HB_EXTERN hb_bool_t
  88 hb_subset_input_get_name_legacy (hb_subset_input_t *subset_input);
  89
  90 /* hb_subset () */
  91 HB_EXTERN hb_face_t *
  92 hb_subset (hb_face_t *source, hb_subset_input_t *input);
  93
  94
  95 HB_END_DECLS
  96
  97 #endif /* HB_SUBSET_H */