author | prr |
Mon, 23 Nov 2015 09:58:44 -0800 | |
changeset 34414 | e496a8d8fc8a |
permissions | -rw-r--r-- |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1 |
/* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
2 |
* Copyright © 2007 Chris Wilson |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
3 |
* Copyright © 2009,2010 Red Hat, Inc. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
4 |
* Copyright © 2011,2012 Google, Inc. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
5 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
6 |
* This is part of HarfBuzz, a text shaping library. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
7 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
8 |
* Permission is hereby granted, without written agreement and without |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
9 |
* license or royalty fees, to use, copy, modify, and distribute this |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
10 |
* software and its documentation for any purpose, provided that the |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
11 |
* above copyright notice and the following two paragraphs appear in |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
12 |
* all copies of this software. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
13 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
14 |
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
15 |
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
16 |
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
17 |
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
18 |
* DAMAGE. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
19 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
20 |
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
21 |
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
22 |
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
23 |
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
24 |
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
25 |
* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
26 |
* Contributor(s): |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
27 |
* Chris Wilson <chris@chris-wilson.co.uk> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
28 |
* Red Hat Author(s): Behdad Esfahbod |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
29 |
* Google Author(s): Behdad Esfahbod |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
30 |
*/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
31 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
32 |
#ifndef HB_OBJECT_PRIVATE_HH |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
33 |
#define HB_OBJECT_PRIVATE_HH |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
34 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
35 |
#include "hb-private.hh" |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
36 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
37 |
#include "hb-atomic-private.hh" |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
38 |
#include "hb-mutex-private.hh" |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
39 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
40 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
41 |
/* Debug */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
42 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
43 |
#ifndef HB_DEBUG_OBJECT |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
44 |
#define HB_DEBUG_OBJECT (HB_DEBUG+0) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
45 |
#endif |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
46 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
47 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
48 |
/* reference_count */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
49 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
50 |
#define HB_REFERENCE_COUNT_INERT_VALUE -1 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
51 |
#define HB_REFERENCE_COUNT_POISON_VALUE -0x0000DEAD |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
52 |
#define HB_REFERENCE_COUNT_INIT {HB_ATOMIC_INT_INIT(HB_REFERENCE_COUNT_INERT_VALUE)} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
53 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
54 |
struct hb_reference_count_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
55 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
56 |
hb_atomic_int_t ref_count; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
57 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
58 |
inline void init (int v) { ref_count.set_unsafe (v); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
59 |
inline int get_unsafe (void) const { return ref_count.get_unsafe (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
60 |
inline int inc (void) { return ref_count.inc (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
61 |
inline int dec (void) { return ref_count.dec (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
62 |
inline void finish (void) { ref_count.set_unsafe (HB_REFERENCE_COUNT_POISON_VALUE); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
63 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
64 |
inline bool is_inert (void) const { return ref_count.get_unsafe () == HB_REFERENCE_COUNT_INERT_VALUE; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
65 |
inline bool is_valid (void) const { return ref_count.get_unsafe () > 0; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
66 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
67 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
68 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
69 |
/* user_data */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
70 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
71 |
#define HB_USER_DATA_ARRAY_INIT {HB_MUTEX_INIT, HB_LOCKABLE_SET_INIT} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
72 |
struct hb_user_data_array_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
73 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
74 |
struct hb_user_data_item_t { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
75 |
hb_user_data_key_t *key; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
76 |
void *data; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
77 |
hb_destroy_func_t destroy; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
78 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
79 |
inline bool operator == (hb_user_data_key_t *other_key) const { return key == other_key; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
80 |
inline bool operator == (hb_user_data_item_t &other) const { return key == other.key; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
81 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
82 |
void finish (void) { if (destroy) destroy (data); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
83 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
84 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
85 |
hb_mutex_t lock; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
86 |
hb_lockable_set_t<hb_user_data_item_t, hb_mutex_t> items; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
87 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
88 |
inline void init (void) { lock.init (); items.init (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
89 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
90 |
HB_INTERNAL bool set (hb_user_data_key_t *key, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
91 |
void * data, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
92 |
hb_destroy_func_t destroy, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
93 |
hb_bool_t replace); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
94 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
95 |
HB_INTERNAL void *get (hb_user_data_key_t *key); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
96 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
97 |
inline void finish (void) { items.finish (lock); lock.finish (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
98 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
99 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
100 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
101 |
/* object_header */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
102 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
103 |
struct hb_object_header_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
104 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
105 |
hb_reference_count_t ref_count; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
106 |
hb_user_data_array_t user_data; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
107 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
108 |
#define HB_OBJECT_HEADER_STATIC {HB_REFERENCE_COUNT_INIT, HB_USER_DATA_ARRAY_INIT} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
109 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
110 |
private: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
111 |
ASSERT_POD (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
112 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
113 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
114 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
115 |
/* object */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
116 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
117 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
118 |
static inline void hb_object_trace (const Type *obj, const char *function) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
119 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
120 |
DEBUG_MSG (OBJECT, (void *) obj, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
121 |
"%s refcount=%d", |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
122 |
function, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
123 |
obj ? obj->header.ref_count.get_unsafe () : 0); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
124 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
125 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
126 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
127 |
static inline Type *hb_object_create (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
128 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
129 |
Type *obj = (Type *) calloc (1, sizeof (Type)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
130 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
131 |
if (unlikely (!obj)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
132 |
return obj; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
133 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
134 |
hb_object_init (obj); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
135 |
hb_object_trace (obj, HB_FUNC); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
136 |
return obj; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
137 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
138 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
139 |
static inline void hb_object_init (Type *obj) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
140 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
141 |
obj->header.ref_count.init (1); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
142 |
obj->header.user_data.init (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
143 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
144 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
145 |
static inline bool hb_object_is_inert (const Type *obj) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
146 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
147 |
return unlikely (obj->header.ref_count.is_inert ()); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
148 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
149 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
150 |
static inline bool hb_object_is_valid (const Type *obj) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
151 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
152 |
return likely (obj->header.ref_count.is_valid ()); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
153 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
154 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
155 |
static inline Type *hb_object_reference (Type *obj) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
156 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
157 |
hb_object_trace (obj, HB_FUNC); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
158 |
if (unlikely (!obj || hb_object_is_inert (obj))) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
159 |
return obj; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
160 |
assert (hb_object_is_valid (obj)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
161 |
obj->header.ref_count.inc (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
162 |
return obj; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
163 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
164 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
165 |
static inline bool hb_object_destroy (Type *obj) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
166 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
167 |
hb_object_trace (obj, HB_FUNC); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
168 |
if (unlikely (!obj || hb_object_is_inert (obj))) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
169 |
return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
170 |
assert (hb_object_is_valid (obj)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
171 |
if (obj->header.ref_count.dec () != 1) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
172 |
return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
173 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
174 |
obj->header.ref_count.finish (); /* Do this before user_data */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
175 |
obj->header.user_data.finish (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
176 |
return true; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
177 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
178 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
179 |
static inline bool hb_object_set_user_data (Type *obj, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
180 |
hb_user_data_key_t *key, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
181 |
void * data, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
182 |
hb_destroy_func_t destroy, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
183 |
hb_bool_t replace) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
184 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
185 |
if (unlikely (!obj || hb_object_is_inert (obj))) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
186 |
return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
187 |
assert (hb_object_is_valid (obj)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
188 |
return obj->header.user_data.set (key, data, destroy, replace); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
189 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
190 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
191 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
192 |
static inline void *hb_object_get_user_data (Type *obj, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
193 |
hb_user_data_key_t *key) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
194 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
195 |
if (unlikely (!obj || hb_object_is_inert (obj))) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
196 |
return NULL; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
197 |
assert (hb_object_is_valid (obj)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
198 |
return obj->header.user_data.get (key); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
199 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
200 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
201 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
202 |
#endif /* HB_OBJECT_PRIVATE_HH */ |