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Third Party Harfbuzz
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a88e7160
T
Third Party Harfbuzz
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a88e7160
编写于
11月 24, 2012
作者:
B
Behdad Esfahbod
浏览文件
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浏览文件
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电子邮件补丁
差异文件
[OTLayout] Implement hb_ot_layout_collect_lookups()
Untested.
上级
1ea375da
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
98 addition
and
3 deletion
+98
-3
src/hb-ot-layout.cc
src/hb-ot-layout.cc
+97
-0
src/hb-ot-layout.h
src/hb-ot-layout.h
+1
-3
未找到文件。
src/hb-ot-layout.cc
浏览文件 @
a88e7160
...
@@ -401,6 +401,103 @@ hb_ot_layout_feature_get_lookups (hb_face_t *face,
...
@@ -401,6 +401,103 @@ hb_ot_layout_feature_get_lookups (hb_face_t *face,
return
f
.
get_lookup_indexes
(
start_offset
,
lookup_count
,
lookup_indexes
);
return
f
.
get_lookup_indexes
(
start_offset
,
lookup_count
,
lookup_indexes
);
}
}
static
void
_hb_ot_layout_collect_lookups_lookups
(
hb_face_t
*
face
,
hb_tag_t
table_tag
,
unsigned
int
feature_index
,
hb_set_t
*
lookup_indexes
/* OUT */
)
{
unsigned
int
lookup_indices
[
32
];
unsigned
int
offset
,
len
;
offset
=
0
;
do
{
len
=
ARRAY_LENGTH
(
lookup_indices
);
hb_ot_layout_feature_get_lookups
(
face
,
table_tag
,
feature_index
,
offset
,
&
len
,
lookup_indices
);
for
(
unsigned
int
i
=
0
;
i
<
len
;
i
++
)
lookup_indexes
->
add
(
lookup_indices
[
i
]);
offset
+=
len
;
}
while
(
len
==
ARRAY_LENGTH
(
lookup_indices
));
}
static
void
_hb_ot_layout_collect_lookups_features
(
hb_face_t
*
face
,
hb_tag_t
table_tag
,
unsigned
int
script_index
,
unsigned
int
language_index
,
const
hb_tag_t
*
features
,
hb_set_t
*
lookup_indexes
/* OUT */
)
{
if
(
!
features
)
{
/* All features */
unsigned
int
count
=
hb_ot_layout_language_get_feature_tags
(
face
,
table_tag
,
script_index
,
language_index
,
0
,
NULL
,
NULL
);
for
(
unsigned
int
feature_index
=
0
;
feature_index
<
count
;
feature_index
++
)
_hb_ot_layout_collect_lookups_lookups
(
face
,
table_tag
,
feature_index
,
lookup_indexes
);
}
else
{
for
(;
*
features
;
features
++
)
{
unsigned
int
feature_index
;
if
(
hb_ot_layout_language_find_feature
(
face
,
table_tag
,
script_index
,
language_index
,
*
features
,
&
feature_index
))
_hb_ot_layout_collect_lookups_lookups
(
face
,
table_tag
,
feature_index
,
lookup_indexes
);
}
}
}
static
void
_hb_ot_layout_collect_lookups_languages
(
hb_face_t
*
face
,
hb_tag_t
table_tag
,
unsigned
int
script_index
,
const
hb_tag_t
*
languages
,
const
hb_tag_t
*
features
,
hb_set_t
*
lookup_indexes
/* OUT */
)
{
if
(
!
languages
)
{
/* All languages */
unsigned
int
count
=
hb_ot_layout_script_get_language_tags
(
face
,
table_tag
,
script_index
,
0
,
NULL
,
NULL
);
for
(
unsigned
int
language_index
=
0
;
language_index
<
count
;
language_index
++
)
_hb_ot_layout_collect_lookups_features
(
face
,
table_tag
,
script_index
,
language_index
,
features
,
lookup_indexes
);
}
else
{
for
(;
*
languages
;
languages
++
)
{
unsigned
int
language_index
;
if
(
hb_ot_layout_script_find_language
(
face
,
table_tag
,
script_index
,
*
languages
,
&
language_index
))
_hb_ot_layout_collect_lookups_features
(
face
,
table_tag
,
script_index
,
language_index
,
features
,
lookup_indexes
);
}
}
}
void
hb_ot_layout_collect_lookups
(
hb_face_t
*
face
,
hb_tag_t
table_tag
,
const
hb_tag_t
*
scripts
,
const
hb_tag_t
*
languages
,
const
hb_tag_t
*
features
,
hb_set_t
*
lookup_indexes
/* OUT */
)
{
if
(
!
scripts
)
{
/* All scripts */
unsigned
int
count
=
hb_ot_layout_table_get_script_tags
(
face
,
table_tag
,
0
,
NULL
,
NULL
);
for
(
unsigned
int
script_index
=
0
;
script_index
<
count
;
script_index
++
)
_hb_ot_layout_collect_lookups_languages
(
face
,
table_tag
,
script_index
,
languages
,
features
,
lookup_indexes
);
}
else
{
for
(;
*
scripts
;
scripts
++
)
{
unsigned
int
script_index
;
if
(
hb_ot_layout_table_find_script
(
face
,
table_tag
,
*
scripts
,
&
script_index
))
_hb_ot_layout_collect_lookups_languages
(
face
,
table_tag
,
script_index
,
languages
,
features
,
lookup_indexes
);
}
}
}
void
void
hb_ot_layout_lookup_collect_glyphs
(
hb_face_t
*
face
,
hb_ot_layout_lookup_collect_glyphs
(
hb_face_t
*
face
,
hb_tag_t
table_tag
,
hb_tag_t
table_tag
,
...
...
src/hb-ot-layout.h
浏览文件 @
a88e7160
...
@@ -179,15 +179,13 @@ hb_ot_layout_feature_get_lookups (hb_face_t *face,
...
@@ -179,15 +179,13 @@ hb_ot_layout_feature_get_lookups (hb_face_t *face,
unsigned
int
*
lookup_count
/* IN/OUT */
,
unsigned
int
*
lookup_count
/* IN/OUT */
,
unsigned
int
*
lookup_indexes
/* OUT */
);
unsigned
int
*
lookup_indexes
/* OUT */
);
#ifdef HB_NOT_IMPLEMENTED
void
void
X
hb_ot_layout_collect_lookups
(
hb_face_t
*
face
,
hb_ot_layout_collect_lookups
(
hb_face_t
*
face
,
hb_tag_t
table_tag
,
hb_tag_t
table_tag
,
const
hb_tag_t
*
scripts
,
const
hb_tag_t
*
scripts
,
const
hb_tag_t
*
languages
,
const
hb_tag_t
*
languages
,
const
hb_tag_t
*
features
,
const
hb_tag_t
*
features
,
hb_set_t
*
lookup_indexes
/* OUT */
);
hb_set_t
*
lookup_indexes
/* OUT */
);
#endif
void
void
hb_ot_shape_plan_collect_lookups
(
hb_shape_plan_t
*
shape_plan
,
hb_ot_shape_plan_collect_lookups
(
hb_shape_plan_t
*
shape_plan
,
...
...
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