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Third Party Harfbuzz
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339036dd
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Third Party Harfbuzz
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339036dd
编写于
10月 10, 2018
作者:
B
Behdad Esfahbod
浏览文件
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电子邮件补丁
差异文件
[kerx] Start fleshing out Format1
上级
ab1f30bd
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
52 addition
and
9 deletion
+52
-9
src/hb-aat-layout-kerx-table.hh
src/hb-aat-layout-kerx-table.hh
+51
-8
src/hb-aat-layout-morx-table.hh
src/hb-aat-layout-morx-table.hh
+1
-1
未找到文件。
src/hb-aat-layout-kerx-table.hh
浏览文件 @
339036dd
...
...
@@ -99,6 +99,48 @@ struct KerxSubTableFormat0
struct
KerxSubTableFormat1
{
struct
EntryData
{
HBUINT16
ligActionIndex
;
/* Index to the first ligActionTable entry
* for processing this group, if indicated
* by the flags. */
public:
DEFINE_SIZE_STATIC
(
2
);
};
struct
driver_context_t
{
static
const
bool
in_place
=
true
;
enum
Flags
{
Push
=
0x8000
,
/* If set, push this glyph on the kerning stack. */
DontAdvance
=
0x4000
,
/* If set, don't advance to the next glyph
* before going to the new state. */
Reset
=
0x2000
,
/* If set, reset the kerning data (clear the stack) */
Reserved
=
0x1FFF
,
/* Not used; set to 0. */
};
inline
driver_context_t
(
const
KerxSubTableFormat1
*
table
)
{}
inline
bool
is_actionable
(
StateTableDriver
<
EntryData
>
*
driver
,
const
Entry
<
EntryData
>
*
entry
)
{
return
false
;
// XXX return (entry->flags & Verb) && start < end;
}
inline
bool
transition
(
StateTableDriver
<
EntryData
>
*
driver
,
const
Entry
<
EntryData
>
*
entry
)
{
//hb_buffer_t *buffer = driver->buffer;
//unsigned int flags = entry->flags;
return
true
;
}
public:
private:
};
inline
bool
apply
(
hb_aat_apply_context_t
*
c
)
const
{
TRACE_APPLY
(
this
);
...
...
@@ -106,7 +148,10 @@ struct KerxSubTableFormat1
if
(
!
c
->
plan
->
requested_kerning
)
return
false
;
/* TODO */
driver_context_t
dc
(
this
);
StateTableDriver
<
EntryData
>
driver
(
machine
,
c
->
buffer
,
c
->
font
->
face
);
driver
.
drive
(
&
dc
);
return_trace
(
true
);
}
...
...
@@ -114,14 +159,13 @@ struct KerxSubTableFormat1
inline
bool
sanitize
(
hb_sanitize_context_t
*
c
)
const
{
TRACE_SANITIZE
(
this
);
return_trace
(
likely
(
c
->
check_struct
(
this
)
&&
stateHeader
.
sanitize
(
c
)));
return_trace
(
likely
(
machine
.
sanitize
(
c
)));
}
protected:
KerxSubTableHeader
header
;
StateTable
<
HBUINT16
>
stateHeader
;
LOffsetTo
<
ArrayOf
<
HBUINT16
>
>
valueTable
;
KerxSubTableHeader
header
;
StateTable
<
EntryData
>
machine
;
LOffsetTo
<
UnsizedArrayOf
<
FWORD
>
,
false
>
values
;
public:
DEFINE_SIZE_STATIC
(
32
);
};
...
...
@@ -159,8 +203,7 @@ struct KerxSubTableFormat2
inline
bool
sanitize
(
hb_sanitize_context_t
*
c
)
const
{
TRACE_SANITIZE
(
this
);
return_trace
(
likely
(
c
->
check_struct
(
this
)
&&
rowWidth
.
sanitize
(
c
)
&&
return_trace
(
likely
(
rowWidth
.
sanitize
(
c
)
&&
leftClassTable
.
sanitize
(
c
,
this
)
&&
rightClassTable
.
sanitize
(
c
,
this
)
&&
array
.
sanitize
(
c
,
this
)));
...
...
src/hb-aat-layout-morx-table.hh
浏览文件 @
339036dd
...
...
@@ -164,7 +164,7 @@ struct RearrangementSubtable
driver_context_t
dc
(
this
);
StateTableDriver
<
void
>
driver
(
machine
,
c
->
buffer
,
c
->
face
);
StateTableDriver
<
EntryData
>
driver
(
machine
,
c
->
buffer
,
c
->
face
);
driver
.
drive
(
&
dc
);
return_trace
(
dc
.
ret
);
...
...
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