diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-set-digest.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-set-digest.hh | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-set-digest.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-set-digest.hh index dab713729b7..5681641baab 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-set-digest.hh +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-set-digest.hh @@ -88,14 +88,19 @@ struct hb_set_digest_bits_pattern_t bool add_range (hb_codepoint_t a, hb_codepoint_t b) { + if (mask == (mask_t) -1) return false; if ((b >> shift) - (a >> shift) >= mask_bits - 1) + { mask = (mask_t) -1; - else { + return false; + } + else + { mask_t ma = mask_for (a); mask_t mb = mask_for (b); mask |= mb + (mb - ma) - (mb < ma); + return true; } - return true; } template <typename T> @@ -154,8 +159,7 @@ struct hb_set_digest_combiner_t bool add_range (hb_codepoint_t a, hb_codepoint_t b) { - return head.add_range (a, b) && - tail.add_range (a, b); + return (int) head.add_range (a, b) | (int) tail.add_range (a, b); } template <typename T> void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T)) |