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src/java.desktop/share/native/libfontmanager/harfbuzz/hb-buffer-private.hh
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*** 43,64 ****
#endif
#ifndef HB_BUFFER_MAX_LEN_DEFAULT
#define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
#endif
! ASSERT_STATIC (sizeof (hb_glyph_info_t) == 20);
! ASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t));
HB_MARK_AS_FLAG_T (hb_buffer_flags_t);
HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t);
enum hb_buffer_scratch_flags_t {
HB_BUFFER_SCRATCH_FLAG_DEFAULT = 0x00000000u,
HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII = 0x00000001u,
HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES = 0x00000002u,
HB_BUFFER_SCRATCH_FLAG_HAS_SPACE_FALLBACK = 0x00000004u,
HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT = 0x00000008u,
/* 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,
--- 43,67 ----
#endif
#ifndef HB_BUFFER_MAX_LEN_DEFAULT
#define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
#endif
! 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_buffer_flags_t);
HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t);
+ HB_MARK_AS_FLAG_T (hb_buffer_diff_flags_t);
enum hb_buffer_scratch_flags_t {
HB_BUFFER_SCRATCH_FLAG_DEFAULT = 0x00000000u,
HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII = 0x00000001u,
HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES = 0x00000002u,
HB_BUFFER_SCRATCH_FLAG_HAS_SPACE_FALLBACK = 0x00000004u,
HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT = 0x00000008u,
+ HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK = 0x00000010u,
+
/* 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,
*** 230,258 ****
inline void add_masks (hb_mask_t mask)
{
for (unsigned int j = 0; j < len; j++)
info[j].mask |= mask;
}
! HB_INTERNAL void set_masks (hb_mask_t value,
! hb_mask_t mask,
! unsigned int cluster_start,
! unsigned int cluster_end);
! HB_INTERNAL void merge_clusters (unsigned int start,
! unsigned int end)
{
if (end - start < 2)
return;
merge_clusters_impl (start, end);
}
! HB_INTERNAL void merge_clusters_impl (unsigned int start,
! unsigned int end);
! HB_INTERNAL void merge_out_clusters (unsigned int start,
! unsigned int end);
/* Merge clusters for deleting current glyph, and skip it. */
HB_INTERNAL void delete_glyph (void);
/* Internal methods */
HB_INTERNAL bool enlarge (unsigned int size);
inline bool ensure (unsigned int size)
{ return likely (!size || size < allocated) ? true : enlarge (size); }
--- 233,267 ----
inline void add_masks (hb_mask_t mask)
{
for (unsigned int j = 0; j < len; j++)
info[j].mask |= mask;
}
! HB_INTERNAL void set_masks (hb_mask_t value, hb_mask_t mask,
! unsigned int cluster_start, unsigned int cluster_end);
! inline void merge_clusters (unsigned int start, unsigned int end)
{
if (end - start < 2)
return;
merge_clusters_impl (start, end);
}
! HB_INTERNAL void merge_clusters_impl (unsigned int start, unsigned int end);
! HB_INTERNAL void merge_out_clusters (unsigned int start, unsigned int end);
/* Merge clusters for deleting current glyph, and skip it. */
HB_INTERNAL void delete_glyph (void);
+ inline void unsafe_to_break (unsigned int start,
+ unsigned int end)
+ {
+ if (end - start < 2)
+ return;
+ unsafe_to_break_impl (start, end);
+ }
+ HB_INTERNAL void unsafe_to_break_impl (unsigned int start, unsigned int end);
+ HB_INTERNAL void unsafe_to_break_from_outbuffer (unsigned int start, unsigned int end);
+
+
/* Internal methods */
HB_INTERNAL bool enlarge (unsigned int size);
inline bool ensure (unsigned int size)
{ return likely (!size || size < allocated) ? true : enlarge (size); }
*** 280,292 ****
--- 289,371 ----
bool ret = message_impl (font, fmt, ap);
va_end (ap);
return ret;
}
HB_INTERNAL bool message_impl (hb_font_t *font, const char *fmt, va_list ap) HB_PRINTF_FUNC(3, 0);
+
+ static inline void
+ set_cluster (hb_glyph_info_t &info, unsigned int cluster, unsigned int mask = 0)
+ {
+ if (info.cluster != cluster)
+ {
+ if (mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK)
+ info.mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+ else
+ info.mask &= ~HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+ }
+ info.cluster = cluster;
+ }
+
+ inline int
+ _unsafe_to_break_find_min_cluster (const hb_glyph_info_t *info,
+ unsigned int start, unsigned int end,
+ unsigned int cluster) const
+ {
+ for (unsigned int i = start; i < end; i++)
+ cluster = MIN<unsigned int> (cluster, info[i].cluster);
+ return cluster;
+ }
+ inline void
+ _unsafe_to_break_set_mask (hb_glyph_info_t *info,
+ unsigned int start, unsigned int end,
+ unsigned int cluster)
+ {
+ for (unsigned int i = start; i < end; i++)
+ if (cluster != info[i].cluster)
+ {
+ scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_UNSAFE_TO_BREAK;
+ info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+ }
+ }
+
+ inline void
+ unsafe_to_break_all (void)
+ {
+ for (unsigned int i = 0; i < len; i++)
+ info[i].mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+ }
+ inline void
+ safe_to_break_all (void)
+ {
+ for (unsigned int i = 0; i < len; i++)
+ info[i].mask &= ~HB_GLYPH_FLAG_UNSAFE_TO_BREAK;
+ }
};
+ /* Loop over clusters. Duplicated in foreach_syllable(). */
+ #define foreach_cluster(buffer, start, end) \
+ for (unsigned int \
+ _count = buffer->len, \
+ start = 0, end = _count ? _next_cluster (buffer, 0) : 0; \
+ start < _count; \
+ start = end, end = _next_cluster (buffer, start))
+
+ static inline unsigned int
+ _next_cluster (hb_buffer_t *buffer, unsigned int start)
+ {
+ hb_glyph_info_t *info = buffer->info;
+ unsigned int count = buffer->len;
+
+ unsigned int cluster = info[start].cluster;
+ while (++start < count && cluster == info[start].cluster)
+ ;
+
+ return start;
+ }
+
+
#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 ())
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