89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
|
/*
|
||
|
* Copyright (C) 2010 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.
|
||
|
*
|
||
|
* Google Author(s): Behdad Esfahbod
|
||
|
*/
|
||
|
|
||
|
#ifndef HB_OT_SHAPE_COMPLEX_PRIVATE_HH
|
||
|
#define HB_OT_SHAPE_COMPLEX_PRIVATE_HH
|
||
|
|
||
|
#include "hb-private.h"
|
||
|
|
||
|
#include "hb-ot-map-private.hh"
|
||
|
|
||
|
HB_BEGIN_DECLS
|
||
|
|
||
|
|
||
|
enum hb_ot_complex_shaper_t {
|
||
|
hb_ot_complex_shaper_none,
|
||
|
hb_ot_complex_shaper_arabic
|
||
|
};
|
||
|
|
||
|
|
||
|
struct hb_ot_shape_plan_t
|
||
|
{
|
||
|
hb_ot_map_t map;
|
||
|
hb_ot_complex_shaper_t shaper;
|
||
|
};
|
||
|
|
||
|
|
||
|
static inline hb_ot_complex_shaper_t
|
||
|
hb_ot_shape_complex_categorize (const hb_segment_properties_t *props)
|
||
|
{
|
||
|
switch ((int) props->script) {
|
||
|
case HB_SCRIPT_ARABIC:
|
||
|
case HB_SCRIPT_NKO:
|
||
|
case HB_SCRIPT_SYRIAC:
|
||
|
return hb_ot_complex_shaper_arabic;
|
||
|
|
||
|
default:
|
||
|
return hb_ot_complex_shaper_none;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
/*
|
||
|
* collect_features()
|
||
|
*
|
||
|
* Called during planning. Shapers should call plan->map.add_feature().
|
||
|
*/
|
||
|
|
||
|
HB_INTERNAL void _hb_ot_shape_complex_collect_features_arabic (hb_ot_shape_plan_t *plan, const hb_segment_properties_t *props);
|
||
|
|
||
|
static inline void
|
||
|
hb_ot_shape_complex_collect_features (hb_ot_shape_plan_t *plan,
|
||
|
const hb_segment_properties_t *props)
|
||
|
{
|
||
|
switch (plan->shaper) {
|
||
|
case hb_ot_complex_shaper_arabic: _hb_ot_shape_complex_collect_features_arabic (plan, props); return;
|
||
|
case hb_ot_complex_shaper_none: default: return;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
HB_END_DECLS
|
||
|
|
||
|
#endif /* HB_OT_SHAPE_COMPLEX_PRIVATE_HH */
|