HarfBuzz text shaping engine
http://harfbuzz.github.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.8 KiB
81 lines
2.8 KiB
/* |
|
* 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 */
|
|
|