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[buffer] Overlay segment-properties in hb_buffer_append() 

Part of https://github.com/harfbuzz/harfbuzz/issues/1555
This commit is contained in:
Behdad Esfahbod 2022-01-03 11:23:14 -07:00
parent 6a66992842
commit 36e9f467a4
1 changed files with 2 additions and 0 deletions
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2
src/hb-buffer.cc
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@ -1788,6 +1788,8 @@ hb_buffer_append (hb_buffer_t *buffer,
if (!buffer->have_positions && source->have_positions) if (!buffer->have_positions && source->have_positions)
buffer->clear_positions (); buffer->clear_positions ();
hb_segment_properties_overlay (&buffer->props, &source->props);
memcpy (buffer->info + orig_len, source->info + start, (end - start) * sizeof (buffer->info[0])); memcpy (buffer->info + orig_len, source->info + start, (end - start) * sizeof (buffer->info[0]));
if (buffer->have_positions) if (buffer->have_positions)
memcpy (buffer->pos + orig_len, source->pos + start, (end - start) * sizeof (buffer->pos[0])); memcpy (buffer->pos + orig_len, source->pos + start, (end - start) * sizeof (buffer->pos[0]));