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[buffer] Tweak diff re glyph_flags again 

We expect the buffer to have no flags that the reference doesn't...
Meh. Makes MORX tests pass now. Need to better define the behavior.
This commit is contained in:
Behdad Esfahbod 2018-02-06 10:20:48 -05:00
parent d49ae5154e
commit cc1e0840ba
1 changed files with 1 additions and 1 deletions
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2
src/hb-buffer.cc
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@ -1933,7 +1933,7 @@ hb_buffer_diff (hb_buffer_t *buffer,
result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH; result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH;
if (buf_info->cluster != ref_info->cluster) if (buf_info->cluster != ref_info->cluster)
result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH; result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH;
if (((buf_info->mask & HB_GLYPH_FLAG_DEFINED) & (ref_info->mask & HB_GLYPH_FLAG_DEFINED)) != (ref_info->mask & HB_GLYPH_FLAG_DEFINED)) if ((buf_info->mask & ~ref_info->mask & HB_GLYPH_FLAG_DEFINED))
result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH; result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH;
if (contains && ref_info->codepoint == dottedcircle_glyph) if (contains && ref_info->codepoint == dottedcircle_glyph)
result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT; result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT;