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HarfBuzz: Update to version 4.4.1

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This commit is contained in:
bruvzg
2022-07-04 09:11:15 +03:00
parent 41fdddb1f8
commit 6c27d9d624
161 changed files with 11955 additions and 10225 deletions
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44
thirdparty/harfbuzz/src/hb-buffer.hh vendored
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@@ -57,6 +57,7 @@
static_assert ((sizeof (hb_glyph_info_t) == 20), "");
static_assert ((sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)), "");
HB_MARK_AS_FLAG_T (hb_glyph_flags_t);
HB_MARK_AS_FLAG_T (hb_buffer_flags_t);
HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t);
HB_MARK_AS_FLAG_T (hb_buffer_diff_flags_t);
@@ -69,12 +70,13 @@ enum hb_buffer_scratch_flags_t {
HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT = 0x00000008u,
HB_BUFFER_SCRATCH_FLAG_HAS_CGJ = 0x00000010u,
HB_BUFFER_SCRATCH_FLAG_HAS_GLYPH_FLAGS = 0x00000020u,
HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE = 0x00000040u,
/* Reserved for complex shapers' internal use. */
HB_BUFFER_SCRATCH_FLAG_COMPLEX0 = 0x01000000u,
HB_BUFFER_SCRATCH_FLAG_COMPLEX1 = 0x02000000u,
HB_BUFFER_SCRATCH_FLAG_COMPLEX2 = 0x04000000u,
HB_BUFFER_SCRATCH_FLAG_COMPLEX3 = 0x08000000u,
/* Reserved for shapers' internal use. */
HB_BUFFER_SCRATCH_FLAG_SHAPER0 = 0x01000000u,
HB_BUFFER_SCRATCH_FLAG_SHAPER1 = 0x02000000u,
HB_BUFFER_SCRATCH_FLAG_SHAPER2 = 0x04000000u,
HB_BUFFER_SCRATCH_FLAG_SHAPER3 = 0x08000000u,
};
HB_MARK_AS_FLAG_T (hb_buffer_scratch_flags_t);
@@ -106,6 +108,7 @@ struct hb_buffer_t
hb_segment_properties_t props; /* Script, language, direction */
bool successful; /* Allocations successful */
bool shaping_failed; /* Shaping failure */
bool have_output; /* Whether we have an output buffer going on */
bool have_positions; /* Whether we have positions */
@@ -130,9 +133,7 @@ struct hb_buffer_t
* Managed by enter / leave
*/
#ifndef HB_NDEBUG
uint8_t allocated_var_bits;
#endif
uint8_t serial;
hb_buffer_scratch_flags_t scratch_flags; /* Have space-fallback, etc. */
unsigned int max_len; /* Maximum allowed len. */
@@ -161,38 +162,40 @@ struct hb_buffer_t
void allocate_var (unsigned int start, unsigned int count)
{
#ifndef HB_NDEBUG
unsigned int end = start + count;
assert (end <= 8);
unsigned int bits = (1u<<end) - (1u<<start);
assert (0 == (allocated_var_bits & bits));
allocated_var_bits |= bits;
#endif
}
bool try_allocate_var (unsigned int start, unsigned int count)
{
unsigned int end = start + count;
assert (end <= 8);
unsigned int bits = (1u<<end) - (1u<<start);
if (allocated_var_bits & bits)
return false;
allocated_var_bits |= bits;
return true;
}
void deallocate_var (unsigned int start, unsigned int count)
{
#ifndef HB_NDEBUG
unsigned int end = start + count;
assert (end <= 8);
unsigned int bits = (1u<<end) - (1u<<start);
assert (bits == (allocated_var_bits & bits));
allocated_var_bits &= ~bits;
#endif
}
void assert_var (unsigned int start, unsigned int count)
{
#ifndef HB_NDEBUG
unsigned int end = start + count;
assert (end <= 8);
unsigned int bits = (1u<<end) - (1u<<start);
HB_UNUSED unsigned int bits = (1u<<end) - (1u<<start);
assert (bits == (allocated_var_bits & bits));
#endif
}
void deallocate_var_all ()
{
#ifndef HB_NDEBUG
allocated_var_bits = 0;
#endif
}
hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; }
@@ -549,7 +552,7 @@ struct hb_buffer_t
#ifdef HB_NO_BUFFER_MESSAGE
return true;
#else
if (!messaging ())
if (likely (!messaging ()))
return true;
message_depth++;
@@ -619,9 +622,10 @@ DECLARE_NULL_INSTANCE (hb_buffer_t);
#define HB_BUFFER_XALLOCATE_VAR(b, func, var) \
b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \
sizeof (b->info[0].var))
#define HB_BUFFER_ALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var ())
#define HB_BUFFER_DEALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var ())
#define HB_BUFFER_ASSERT_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, assert_var, var ())
#define HB_BUFFER_ALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var ())
#define HB_BUFFER_TRY_ALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, try_allocate_var, var ())
#define HB_BUFFER_DEALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var ())
#define HB_BUFFER_ASSERT_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, assert_var, var ())
#endif /* HB_BUFFER_HH */