2 * Copyright © 2007,2008,2009,2010 Red Hat, Inc.
3 * Copyright © 2010,2012,2013 Google, Inc.
5 * This is part of HarfBuzz, a text shaping library.
7 * Permission is hereby granted, without written agreement and without
8 * license or royalty fees, to use, copy, modify, and distribute this
9 * software and its documentation for any purpose, provided that the
10 * above copyright notice and the following two paragraphs appear in
11 * all copies of this software.
13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
25 * Red Hat Author(s): Behdad Esfahbod
26 * Google Author(s): Behdad Esfahbod
29 #ifndef HB_OT_LAYOUT_GPOS_TABLE_HH
30 #define HB_OT_LAYOUT_GPOS_TABLE_HH
32 #include "OT/Layout/GPOS/GPOS.hh"
38 // TODO(garretrieger): Move into new layout directory.
39 /* Out-of-class implementation for methods recursing */
40 #ifndef HB_NO_OT_LAYOUT
41 template <typename context_t>
42 /*static*/ typename context_t::return_t PosLookup::dispatch_recurse_func (context_t *c, unsigned int lookup_index)
44 const PosLookup &l = c->face->table.GPOS.get_relaxed ()->table->get_lookup (lookup_index);
45 return l.dispatch (c);
49 inline hb_closure_lookups_context_t::return_t
50 PosLookup::dispatch_recurse_func<hb_closure_lookups_context_t> (hb_closure_lookups_context_t *c, unsigned this_index)
52 const PosLookup &l = c->face->table.GPOS.get_relaxed ()->table->get_lookup (this_index);
53 return l.closure_lookups (c, this_index);
57 inline bool PosLookup::dispatch_recurse_func<hb_ot_apply_context_t> (hb_ot_apply_context_t *c, unsigned int lookup_index)
59 auto *gpos = c->face->table.GPOS.get_relaxed ();
60 const PosLookup &l = gpos->table->get_lookup (lookup_index);
61 unsigned int saved_lookup_props = c->lookup_props;
62 unsigned int saved_lookup_index = c->lookup_index;
63 c->set_lookup_index (lookup_index);
64 c->set_lookup_props (l.get_props ());
67 auto *accel = gpos->get_accel (lookup_index);
68 ret = accel && accel->apply (c, l.get_subtable_count (), false);
70 c->set_lookup_index (saved_lookup_index);
71 c->set_lookup_props (saved_lookup_props);
76 } /* namespace GPOS_impl */
77 } /* namespace Layout */
81 #endif /* HB_OT_LAYOUT_GPOS_TABLE_HH */