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OpenHarmony
Third Party Harfbuzz
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41ab56e0
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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41ab56e0
编写于
7月 22, 2019
作者:
E
Ebrahim Byagowi
提交者:
GitHub
7月 22, 2019
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电子邮件补丁
差异文件
Implement meta table parsing
上级
a51aa951
变更
4
显示空白变更内容
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并排
Showing
4 changed file
with
99 addition
and
7 deletion
+99
-7
src/Makefile.sources
src/Makefile.sources
+1
-0
src/hb-ot-face-table-list.hh
src/hb-ot-face-table-list.hh
+1
-0
src/hb-ot-layout.cc
src/hb-ot-layout.cc
+8
-7
src/hb-ot-meta-table.hh
src/hb-ot-meta-table.hh
+89
-0
未找到文件。
src/Makefile.sources
浏览文件 @
41ab56e0
...
@@ -88,6 +88,7 @@ HB_BASE_sources = \
...
@@ -88,6 +88,7 @@ HB_BASE_sources = \
hb-ot-math-table.hh
\
hb-ot-math-table.hh
\
hb-ot-math.cc
\
hb-ot-math.cc
\
hb-ot-maxp-table.hh
\
hb-ot-maxp-table.hh
\
hb-ot-meta-table.hh
\
hb-ot-metrics.cc
\
hb-ot-metrics.cc
\
hb-ot-metrics.hh
\
hb-ot-metrics.hh
\
hb-ot-name-language-static.hh
\
hb-ot-name-language-static.hh
\
...
...
src/hb-ot-face-table-list.hh
浏览文件 @
41ab56e0
...
@@ -62,6 +62,7 @@ HB_OT_ACCELERATOR (OT, name)
...
@@ -62,6 +62,7 @@ HB_OT_ACCELERATOR (OT, name)
#ifndef HB_NO_STAT
#ifndef HB_NO_STAT
HB_OT_TABLE
(
OT
,
STAT
)
HB_OT_TABLE
(
OT
,
STAT
)
#endif
#endif
HB_OT_TABLE
(
OT
,
meta
)
/* Vertical layout. */
/* Vertical layout. */
HB_OT_TABLE
(
OT
,
vhea
)
HB_OT_TABLE
(
OT
,
vhea
)
...
...
src/hb-ot-layout.cc
浏览文件 @
41ab56e0
...
@@ -48,6 +48,7 @@
...
@@ -48,6 +48,7 @@
#include "hb-ot-layout-gpos-table.hh"
#include "hb-ot-layout-gpos-table.hh"
#include "hb-ot-layout-base-table.hh" // Just so we compile it; unused otherwise.
#include "hb-ot-layout-base-table.hh" // Just so we compile it; unused otherwise.
#include "hb-ot-layout-jstf-table.hh" // Just so we compile it; unused otherwise.
#include "hb-ot-layout-jstf-table.hh" // Just so we compile it; unused otherwise.
#include "hb-ot-meta-table.hh" // Just so we compile it; unused otherwise.
#include "hb-ot-name-table.hh"
#include "hb-ot-name-table.hh"
#include "hb-ot-os2-table.hh"
#include "hb-ot-os2-table.hh"
...
...
src/hb-ot-meta-table.hh
0 → 100644
浏览文件 @
41ab56e0
/*
* Copyright © 2019 Ebrahim Byagowi
*
* 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.
*/
#ifndef HB_OT_META_TABLE_HH
#define HB_OT_META_TABLE_HH
#include "hb-open-type.hh"
/*
* meta -- Metadata Table
* https://docs.microsoft.com/en-us/typography/opentype/spec/meta
* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6meta.html
*/
#define HB_OT_TAG_meta HB_TAG('m','e','t','a')
namespace
OT
{
struct
DataMap
{
bool
sanitize
(
hb_sanitize_context_t
*
c
,
const
void
*
base
)
const
{
TRACE_SANITIZE
(
this
);
return_trace
(
likely
(
c
->
check_struct
(
this
)
&&
dataZ
.
sanitize
(
c
,
base
,
dataLength
)));
}
protected:
Tag
tag
;
/* A tag indicating the type of metadata. */
LOffsetTo
<
UnsizedArrayOf
<
HBUINT8
>>
dataZ
;
/* Offset in bytes from the beginning of the
* metadata table to the data for this tag. */
HBUINT32
dataLength
;
/* Length of the data. The data is not required to
* be padded to any byte boundary. */
public:
DEFINE_SIZE_STATIC
(
12
);
};
struct
meta
{
static
constexpr
hb_tag_t
tableTag
=
HB_OT_TAG_meta
;
bool
sanitize
(
hb_sanitize_context_t
*
c
)
const
{
TRACE_SANITIZE
(
this
);
return_trace
(
likely
(
c
->
check_struct
(
this
)
&&
version
==
1
&&
dataMaps
.
sanitize
(
c
,
this
)));
}
protected:
HBUINT32
version
;
/* Version number of the metadata table — set to 1. */
HBUINT32
flags
;
/* Flags — currently unused; set to 0. */
HBUINT32
dataOffset
;
/* Per Apple specification:
* Offset from the beginning of the table to the data.
* Per OT specification:
* Reserved. Not used; should be set to 0. */
LArrayOf
<
DataMap
>
dataMaps
;
/* Array of data map records. */
public:
DEFINE_SIZE_ARRAY
(
16
,
dataMaps
);
};
}
/* namespace OT */
#endif
/* HB_OT_META_TABLE_HH */
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