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OpenHarmony
Third Party Harfbuzz
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0c0d5533
T
Third Party Harfbuzz
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Third Party Harfbuzz
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体验新版 GitCode,发现更多精彩内容 >>
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0c0d5533
编写于
12月 26, 2006
作者:
B
Behdad Esfahbod
浏览文件
操作
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电子邮件补丁
差异文件
Coverage.
上级
882e52f5
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
79 addition
and
12 deletion
+79
-12
src/harfbuzz-ng.cc
src/harfbuzz-ng.cc
+79
-12
未找到文件。
src/harfbuzz-ng.cc
浏览文件 @
0c0d5533
...
...
@@ -169,8 +169,9 @@ struct Tag {
};
/* Glyph index number, same as uint16 (length = 16 bits) */
struct
GlyphID
:
USHORT
{
};
//struct GlyphID : USHORT {
//};
DEFINE_INT_TYPE
(
GlyphID
,
u
,
16
);
/* 16-bit unsigned integer. */
/* Offset to a table, same as uint16 (length = 16 bits), NULL offset = 0x0000 */
struct
Offset
:
USHORT
{
...
...
@@ -219,7 +220,6 @@ typedef struct TableDirectory {
}
OpenTypeTable
;
typedef
struct
OffsetTable
{
DEFINE_NOT_INSTANTIABLE
(
OffsetTable
);
/* OpenTypeTables, in no particular order */
DEFINE_ARRAY_TYPE
(
TableDirectory
,
tableDir
,
numTables
);
// TODO: Implement find_table
...
...
@@ -237,7 +237,6 @@ typedef struct OffsetTable {
*/
struct
TTCHeader
{
DEFINE_NOT_INSTANTIABLE
(
TTCHeader
);
/* OpenTypeFonts, in no particular order */
DEFINE_OFFSET_ARRAY_TYPE
(
OffsetTable
,
offsetTable
,
numFonts
);
...
...
@@ -255,7 +254,7 @@ struct TTCHeader {
* OpenType Font File
*/
typedef
struct
OpenTypeFontFile
{
struct
OpenTypeFontFile
{
DEFINE_NOT_INSTANTIABLE
(
OpenTypeFontFile
);
static
const
hb_tag_t
TrueTypeTag
=
HB_TAG
(
0
,
1
,
0
,
0
);
static
const
hb_tag_t
CFFTag
=
HB_TAG
(
'O'
,
'T'
,
'T'
,
'O'
);
...
...
@@ -322,7 +321,6 @@ typedef struct Record {
}
ScriptRecord
,
LangSysRecord
,
FeatureRecord
;
struct
ScriptList
{
DEFINE_NOT_INSTANTIABLE
(
ScriptList
);
/* Scripts, in sorted alphabetical tag order */
DEFINE_RECORD_ARRAY_TYPE
(
Script
,
scriptRecord
,
scriptCount
);
...
...
@@ -332,7 +330,6 @@ struct ScriptList {
};
struct
Script
{
DEFINE_NOT_INSTANTIABLE
(
Script
);
/* LangSys', in sorted alphabetical tag order */
DEFINE_RECORD_ARRAY_TYPE
(
LangSys
,
langSysRecord
,
langSysCount
);
...
...
@@ -357,7 +354,6 @@ struct Script {
};
struct
LangSys
{
DEFINE_NOT_INSTANTIABLE
(
LangSys
);
/* Feature indices, in no particular order */
DEFINE_ARRAY_TYPE
(
USHORT
,
featureIndex
,
featureCount
);
...
...
@@ -381,7 +377,6 @@ struct LangSys {
};
struct
FeatureList
{
DEFINE_NOT_INSTANTIABLE
(
FeatureList
);
/* Feature indices, in sorted alphabetical tag order */
DEFINE_RECORD_ARRAY_TYPE
(
Feature
,
featureRecord
,
featureCount
);
...
...
@@ -393,7 +388,6 @@ struct FeatureList {
};
struct
Feature
{
DEFINE_NOT_INSTANTIABLE
(
Feature
);
/* LookupList indices, in no particular order */
DEFINE_ARRAY_TYPE
(
USHORT
,
lookupIndex
,
lookupCount
);
...
...
@@ -412,7 +406,6 @@ struct Feature {
};
struct
LookupList
{
DEFINE_NOT_INSTANTIABLE
(
LookupList
);
/* Lookup indices, in sorted alphabetical tag order */
DEFINE_OFFSET_ARRAY_TYPE
(
Lookup
,
lookupOffset
,
lookupCount
);
...
...
@@ -433,7 +426,6 @@ struct LookupFlag : USHORT {
};
struct
Lookup
{
DEFINE_NOT_INSTANTIABLE
(
Lookup
);
/* SubTables, in the desired order */
DEFINE_OFFSET_ARRAY_TYPE
(
SubTable
,
subTableOffset
,
subTableCount
);
...
...
@@ -451,6 +443,81 @@ struct Lookup {
* entries long. */
};
struct
CoverageFormat1
{
/* GlyphIDs, in sorted numerical order */
DEFINE_ARRAY_TYPE
(
GlyphID
,
glyphArray
,
glyphCount
);
inline
unsigned
int
get_coverage
(
uint16_t
glyph_id
)
const
{
GlyphID
gid
(
glyph_id
);
// TODO: bsearch
for
(
int
i
=
0
;
i
<
glyphCount
;
i
++
)
if
(
gid
==
glyphArray
[
i
])
return
i
;
return
-
1
;
}
USHORT
coverageFormat
;
/* Format identifier--format = 1 */
USHORT
glyphCount
;
/* Number of glyphs in the GlyphArray */
GlyphID
glyphArray
[];
/* Array of GlyphIDs--in numerical
* order. glyphCount entries long */
};
struct
RangeRecord
{
inline
unsigned
int
get_coverage
(
uint16_t
glyph_id
)
const
{
if
(
glyph_id
>=
start
&&
glyph_id
<=
end
)
return
startCoverageIndex
+
(
glyph_id
-
start
);
return
-
1
;
}
GlyphID
start
;
/* First GlyphID in the range */
GlyphID
end
;
/* Last GlyphID in the range */
USHORT
startCoverageIndex
;
/* Coverage Index of first GlyphID in
* range */
};
struct
CoverageFormat2
{
/* RangeRecords, in sorted numerical start order */
DEFINE_ARRAY_TYPE
(
RangeRecord
,
rangeRecord
,
rangeCount
);
inline
unsigned
int
get_coverage
(
uint16_t
glyph_id
)
const
{
// TODO: bsearch
for
(
int
i
=
0
;
i
<
rangeCount
;
i
++
)
{
int
coverage
=
rangeRecord
[
i
].
get_coverage
(
glyph_id
);
if
(
coverage
>=
0
)
return
coverage
;
}
return
-
1
;
}
USHORT
coverageFormat
;
/* Format identifier--format = 2 */
USHORT
rangeCount
;
/* Number of RangeRecords */
RangeRecord
rangeRecord
[];
/* Array of glyph ranges--ordered by
* Start GlyphID. rangeCount entries
* long */
};
struct
CoverageFormat
{
DEFINE_NOT_INSTANTIABLE
(
CoverageFormat
);
inline
unsigned
int
get_size
(
void
)
const
{
switch
(
coverageFormat
)
{
case
1
:
return
((
const
CoverageFormat1
&
)
*
this
).
get_size
();
case
2
:
return
((
const
CoverageFormat2
&
)
*
this
).
get_size
();
default:
return
sizeof
(
coverageFormat
);
}
}
/* Returns -1 if not covered. */
inline
unsigned
int
get_coverage
(
uint16_t
glyph_id
)
const
{
switch
(
coverageFormat
)
{
case
1
:
return
((
const
CoverageFormat1
&
)
*
this
).
get_coverage
(
glyph_id
);
case
2
:
return
((
const
CoverageFormat2
&
)
*
this
).
get_coverage
(
glyph_id
);
default:
return
-
1
;
}
}
USHORT
coverageFormat
;
/* Format identifier */
};
...
...
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