harfbuzz/src/hb-ot-shape-complex-private.hh

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/*
* 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 */