/* * 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_GSUB_TABLE_HH #define HB_OT_LAYOUT_GSUB_TABLE_HH #include "OT/Layout/GSUB/GSUB.hh" namespace OT { using Layout::GSUB::SubstLookup; using Layout::GSUB::ExtensionSubst; // TODO(garretrieger): Move into the new layout directory. /* Out-of-class implementation for methods recursing */ #ifndef HB_NO_OT_LAYOUT /*static*/ inline bool ExtensionSubst::is_reverse () const { return SubstLookup::lookup_type_is_reverse (get_type ()); } template <typename context_t> /*static*/ typename context_t::return_t SubstLookup::dispatch_recurse_func (context_t *c, unsigned int lookup_index) { const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (lookup_index); return l.dispatch (c); } /*static*/ typename hb_closure_context_t::return_t SubstLookup::closure_glyphs_recurse_func (hb_closure_context_t *c, unsigned lookup_index, hb_set_t *covered_seq_indices, unsigned seq_index, unsigned end_index) { const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (lookup_index); if (l.may_have_non_1to1 ()) hb_set_add_range (covered_seq_indices, seq_index, end_index); return l.dispatch (c); } /*static*/ inline hb_closure_lookups_context_t::return_t SubstLookup::dispatch_closure_lookups_recurse_func (hb_closure_lookups_context_t *c, unsigned this_index) { const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->table->get_lookup (this_index); return l.closure_lookups (c, this_index); } /*static*/ bool SubstLookup::apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index) { const SubstLookup &l = c->face->table.GSUB.get_relaxed ()->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 = l.dispatch (c); c->set_lookup_index (saved_lookup_index); c->set_lookup_props (saved_lookup_props); return ret; } #endif } /* namespace OT */ #endif /* HB_OT_LAYOUT_GSUB_TABLE_HH */