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Code Releases Wiki Activity

Update HarfBuzz to 7.1.0

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This commit is contained in:
Pedro J. Estébanez
2023-02-13 10:44:33 +01:00
parent df7834ac96
commit abc13dbd0b
205 changed files with 14886 additions and 5156 deletions
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30
thirdparty/harfbuzz/src/hb-utf.hh vendored
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@@ -35,6 +35,7 @@
struct hb_utf8_t
{
typedef uint8_t codepoint_t;
static constexpr unsigned max_len = 4;
static const codepoint_t *
next (const codepoint_t *text,
@@ -182,6 +183,7 @@ struct hb_utf16_xe_t
{
static_assert (sizeof (TCodepoint) == 2, "");
typedef TCodepoint codepoint_t;
static constexpr unsigned max_len = 2;
static const codepoint_t *
next (const codepoint_t *text,
@@ -290,6 +292,7 @@ struct hb_utf32_xe_t
{
static_assert (sizeof (TCodepoint) == 4, "");
typedef TCodepoint codepoint_t;
static constexpr unsigned max_len = 1;
static const TCodepoint *
next (const TCodepoint *text,
@@ -348,6 +351,7 @@ typedef hb_utf32_xe_t<uint32_t, false> hb_utf32_novalidate_t;
struct hb_latin1_t
{
typedef uint8_t codepoint_t;
static constexpr unsigned max_len = 1;
static const codepoint_t *
next (const codepoint_t *text,
@@ -399,12 +403,13 @@ struct hb_latin1_t
struct hb_ascii_t
{
typedef uint8_t codepoint_t;
static constexpr unsigned max_len = 1;
static const codepoint_t *
next (const codepoint_t *text,
const codepoint_t *end HB_UNUSED,
hb_codepoint_t *unicode,
hb_codepoint_t replacement HB_UNUSED)
hb_codepoint_t replacement)
{
*unicode = *text++;
if (*unicode >= 0x0080u)
@@ -450,4 +455,27 @@ struct hb_ascii_t
}
};
template <typename utf_t>
static inline const typename utf_t::codepoint_t *
hb_utf_offset_to_pointer (const typename utf_t::codepoint_t *start,
signed offset)
{
hb_codepoint_t unicode;
while (offset-- > 0)
start = utf_t::next (start,
start + utf_t::max_len,
&unicode,
HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT);
while (offset++ < 0)
start = utf_t::prev (start,
start - utf_t::max_len,
&unicode,
HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT);
return start;
}
#endif /* HB_UTF_HH */