| /* |
| * Copyright © 2007,2008,2009,2010 Red Hat, Inc. |
| * Copyright © 2010,2012,2013 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. |
| * |
| * Red Hat Author(s): Behdad Esfahbod |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #ifndef HB_OT_LAYOUT_GPOS_TABLE_HH |
| #define HB_OT_LAYOUT_GPOS_TABLE_HH |
| |
| #include "OT/Layout/GPOS/GPOS.hh" |
| |
| namespace OT { |
| namespace Layout { |
| namespace GPOS_impl { |
| |
| // TODO(garretrieger): Move into new layout directory. |
| /* Out-of-class implementation for methods recursing */ |
| #ifndef HB_NO_OT_LAYOUT |
| template <typename context_t> |
| /*static*/ typename context_t::return_t PosLookup::dispatch_recurse_func (context_t *c, unsigned int lookup_index) |
| { |
| const PosLookup &l = c->face->table.GPOS.get_relaxed ()->table->get_lookup (lookup_index); |
| return l.dispatch (c); |
| } |
| |
| template <> |
| inline hb_closure_lookups_context_t::return_t |
| PosLookup::dispatch_recurse_func<hb_closure_lookups_context_t> (hb_closure_lookups_context_t *c, unsigned this_index) |
| { |
| const PosLookup &l = c->face->table.GPOS.get_relaxed ()->table->get_lookup (this_index); |
| return l.closure_lookups (c, this_index); |
| } |
| |
| template <> |
| inline bool PosLookup::dispatch_recurse_func<hb_ot_apply_context_t> (hb_ot_apply_context_t *c, unsigned int lookup_index) |
| { |
| auto *gpos = c->face->table.GPOS.get_relaxed (); |
| const PosLookup &l = gpos->table->get_lookup (lookup_index); |
| unsigned int saved_lookup_props = c->lookup_props; |
| unsigned int saved_lookup_index = c->lookup_index; |
| c->set_lookup_index (lookup_index); |
| c->set_lookup_props (l.get_props ()); |
| |
| bool ret = false; |
| auto *accel = gpos->get_accel (lookup_index); |
| ret = accel && accel->apply (c, l.get_subtable_count (), false); |
| |
| c->set_lookup_index (saved_lookup_index); |
| c->set_lookup_props (saved_lookup_props); |
| return ret; |
| } |
| #endif |
| |
| } /* namespace GPOS_impl */ |
| } /* namespace Layout */ |
| } /* namespace OT */ |
| |
| |
| #endif /* HB_OT_LAYOUT_GPOS_TABLE_HH */ |