Hash :
c936b229
Author :
Date :
2025-06-10T08:22:47
[rust] Update to HarfRuzz->HarfRust rename
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154
/*
* 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.
*
* Author(s): Behdad Esfahbod
*/
#include "hb.hh"
#ifdef HAVE_HARFRUST
#include "hb-shaper-impl.hh"
/*
* shaper face data
*/
extern "C" void *
_hb_harfrust_shaper_face_data_create_rs (hb_face_t *face);
hb_harfrust_face_data_t *
_hb_harfrust_shaper_face_data_create (hb_face_t *face)
{
return (hb_harfrust_face_data_t *) _hb_harfrust_shaper_face_data_create_rs (face);
}
extern "C" void
_hb_harfrust_shaper_face_data_destroy_rs (void *data);
void
_hb_harfrust_shaper_face_data_destroy (hb_harfrust_face_data_t *data)
{
_hb_harfrust_shaper_face_data_destroy_rs (data);
}
/*
* shaper font data
*/
extern "C" void *
_hb_harfrust_shaper_font_data_create_rs (hb_font_t *font, const void *face_data);
hb_harfrust_font_data_t *
_hb_harfrust_shaper_font_data_create (hb_font_t *font)
{
const hb_harfrust_face_data_t *face_data = font->face->data.harfrust;
return (hb_harfrust_font_data_t *) _hb_harfrust_shaper_font_data_create_rs (font, face_data);
}
extern "C" void
_hb_harfrust_shaper_font_data_destroy_rs (void *data);
void
_hb_harfrust_shaper_font_data_destroy (hb_harfrust_font_data_t *data)
{
_hb_harfrust_shaper_font_data_destroy_rs (data);
}
/*
* shape plan
*/
extern "C" void *
_hb_harfrust_shape_plan_create_rs (const void *font_data,
const void *face_data,
hb_script_t script,
hb_language_t language,
hb_direction_t direction);
extern "C" void
_hb_harfrust_shape_plan_destroy_rs (void *data);
/*
* shaper
*/
extern "C" hb_bool_t
_hb_harfrust_shape_rs (const void *font_data,
const void *face_data,
const void *rs_shape_plan,
hb_font_t *font,
hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features);
static hb_user_data_key_t hr_shape_plan_key = {0};
hb_bool_t
_hb_harfrust_shape (hb_shape_plan_t *shape_plan,
hb_font_t *font,
hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features)
{
const hb_harfrust_font_data_t *font_data = font->data.harfrust;
const hb_harfrust_face_data_t *face_data = font->face->data.harfrust;
void *hr_shape_plan = nullptr;
if (!num_features)
{
retry:
hr_shape_plan = hb_shape_plan_get_user_data (shape_plan,
&hr_shape_plan_key);
if (unlikely (!hr_shape_plan))
{
hr_shape_plan = _hb_harfrust_shape_plan_create_rs (font_data, face_data,
shape_plan->key.props.script,
shape_plan->key.props.language,
shape_plan->key.props.direction);
if (hr_shape_plan &&
!hb_shape_plan_set_user_data (shape_plan,
&hr_shape_plan_key,
hr_shape_plan,
_hb_harfrust_shape_plan_destroy_rs,
false))
{
_hb_harfrust_shape_plan_destroy_rs (hr_shape_plan);
goto retry;
}
}
}
return _hb_harfrust_shape_rs (font_data,
face_data,
hr_shape_plan,
font,
buffer,
features,
num_features);
}
#endif