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[buffer] Comment

This commit is contained in:
Behdad Esfahbod 2022-02-03 11:19:23 -06:00
parent e59da2871a
commit 8670ffbf4c
1 changed files with 20 additions and 17 deletions
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37
src/hb-buffer.hh
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@ -386,11 +386,14 @@ struct hb_buffer_t
HB_INTERNAL void delete_glyph ();
void set_glyph_flags (hb_mask_t mask,
unsigned start = 0,
unsigned end = (unsigned) -1,
bool interior = false,
bool from_out_buffer = false)
/* Adds glyph flags in mask to infos with clusters between start and end.
* The start index will be from out-buffer if from_out_buffer is true.
* If interior is true, then the cluster having the minimum value is skipped. */
void _set_glyph_flags (hb_mask_t mask,
unsigned start = 0,
unsigned end = (unsigned) -1,
bool interior = false,
bool from_out_buffer = false)
{
end = hb_min (end, len);
@ -437,27 +440,27 @@ struct hb_buffer_t
void unsafe_to_break (unsigned int start = 0, unsigned int end = -1)
{
set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_BREAK | HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
true);
_set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_BREAK | HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
true);
}
void unsafe_to_concat (unsigned int start = 0, unsigned int end = -1)
{
set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
true);
_set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
true);
}
void unsafe_to_break_from_outbuffer (unsigned int start = 0, unsigned int end = -1)
{
set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_BREAK | HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
true, true);
_set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_BREAK | HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
true, true);
}
void unsafe_to_concat_from_outbuffer (unsigned int start = 0, unsigned int end = -1)
{
set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
false, true);
_set_glyph_flags (HB_GLYPH_FLAG_UNSAFE_TO_CONCAT,
start, end,
false, true);
}