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, Roderick Sheeter 25 */ 26 27 #ifndef HB_SUBSET_INPUT_HH 28 #define HB_SUBSET_INPUT_HH 29 30 31 #include "hb.hh" 32 33 #include "hb-subset.h" 34 #include "hb-map.hh" 35 #include "hb-set.hh" 36 37 #include "hb-font.hh" 38 39 HB_MARK_AS_FLAG_T (hb_subset_flags_t); 40 41 struct hb_subset_input_t 42 { 43 hb_object_header_t header; 44 45 struct sets_t { 46 hb_set_t *glyphs; 47 hb_set_t *unicodes; 48 hb_set_t *no_subset_tables; 49 hb_set_t *drop_tables; 50 hb_set_t *name_ids; 51 hb_set_t *name_languages; 52 hb_set_t *layout_features; 53 }; 54 55 union { 56 sets_t sets; 57 hb_set_t* set_ptrs[sizeof (sets_t) / sizeof (hb_set_t*)]; 58 }; 59 60 unsigned flags; 61 num_setshb_subset_input_t62 inline unsigned num_sets () const 63 { 64 return sizeof (set_ptrs) / sizeof (hb_set_t*); 65 } 66 sets_iterhb_subset_input_t67 inline hb_array_t<hb_set_t*> sets_iter () 68 { 69 return hb_array_t<hb_set_t*> (set_ptrs, num_sets ()); 70 } 71 in_errorhb_subset_input_t72 bool in_error () const 73 { 74 for (unsigned i = 0; i < num_sets (); i++) 75 { 76 if (unlikely (set_ptrs[i]->in_error ())) 77 return true; 78 } 79 return false; 80 } 81 }; 82 83 84 #endif /* HB_SUBSET_INPUT_HH */ 85