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      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): Garret Rieger, Rod Sheeter, Behdad Esfahbod
     25  */
     26 
     27 #include "hb-subset.hh"
     28 #include "hb-set.hh"
     29 
     30 /**
     31  * hb_subset_input_create_or_fail:
     32  *
     33  * Return value: New subset input.
     34  *
     35  * Since: 1.8.0
     36  **/
     37 hb_subset_input_t *
     38 hb_subset_input_create_or_fail ()
     39 {
     40   hb_subset_input_t *input = hb_object_create<hb_subset_input_t>();
     41 
     42   if (unlikely (!input))
     43     return nullptr;
     44 
     45   input->unicodes = hb_set_create ();
     46   input->glyphs = hb_set_create ();
     47   input->drop_layout = true;
     48 
     49   return input;
     50 }
     51 
     52 /**
     53  * hb_subset_input_reference: (skip)
     54  * @subset_input: a subset_input.
     55  *
     56  *
     57  *
     58  * Return value:
     59  *
     60  * Since: 1.8.0
     61  **/
     62 hb_subset_input_t *
     63 hb_subset_input_reference (hb_subset_input_t *subset_input)
     64 {
     65   return hb_object_reference (subset_input);
     66 }
     67 
     68 /**
     69  * hb_subset_input_destroy:
     70  * @subset_input: a subset_input.
     71  *
     72  * Since: 1.8.0
     73  **/
     74 void
     75 hb_subset_input_destroy (hb_subset_input_t *subset_input)
     76 {
     77   if (!hb_object_destroy (subset_input)) return;
     78 
     79   hb_set_destroy (subset_input->unicodes);
     80   hb_set_destroy (subset_input->glyphs);
     81 
     82   free (subset_input);
     83 }
     84 
     85 /**
     86  * hb_subset_input_unicode_set:
     87  * @subset_input: a subset_input.
     88  *
     89  * Since: 1.8.0
     90  **/
     91 HB_EXTERN hb_set_t *
     92 hb_subset_input_unicode_set (hb_subset_input_t *subset_input)
     93 {
     94   return subset_input->unicodes;
     95 }
     96 
     97 /**
     98  * hb_subset_input_glyph_set:
     99  * @subset_input: a subset_input.
    100  *
    101  * Since: 1.8.0
    102  **/
    103 HB_EXTERN hb_set_t *
    104 hb_subset_input_glyph_set (hb_subset_input_t *subset_input)
    105 {
    106   return subset_input->glyphs;
    107 }
    108 
    109 HB_EXTERN void
    110 hb_subset_input_set_drop_hints (hb_subset_input_t *subset_input,
    111 				hb_bool_t drop_hints)
    112 {
    113   subset_input->drop_hints = drop_hints;
    114 }
    115 
    116 HB_EXTERN hb_bool_t
    117 hb_subset_input_get_drop_hints (hb_subset_input_t *subset_input)
    118 {
    119   return subset_input->drop_hints;
    120 }
    121 
    122 HB_EXTERN void
    123 hb_subset_input_set_drop_layout (hb_subset_input_t *subset_input,
    124 				 hb_bool_t drop_layout)
    125 {
    126   subset_input->drop_layout = drop_layout;
    127 }
    128 
    129 HB_EXTERN hb_bool_t
    130 hb_subset_input_get_drop_layout (hb_subset_input_t *subset_input)
    131 {
    132   return subset_input->drop_layout;
    133 }
    134 
    135 HB_EXTERN void
    136 hb_subset_input_set_desubroutinize (hb_subset_input_t *subset_input,
    137         hb_bool_t desubroutinize)
    138 {
    139   subset_input->desubroutinize = desubroutinize;
    140 }
    141 
    142 HB_EXTERN hb_bool_t
    143 hb_subset_input_get_desubroutinize (hb_subset_input_t *subset_input)
    144 {
    145   return subset_input->desubroutinize;
    146 }
    147