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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cmap-table.hh32
1 files changed, 24 insertions, 8 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cmap-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cmap-table.hh
index e6646152978..9ebd8e417f9 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cmap-table.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-cmap-table.hh
@@ -342,14 +342,22 @@ struct CmapSubtableFormat4
count--; /* Skip sentinel segment. */
for (unsigned int i = 0; i < count; i++)
{
+ hb_codepoint_t start = this->startCount[i];
+ hb_codepoint_t end = this->endCount[i];
unsigned int rangeOffset = this->idRangeOffset[i];
if (rangeOffset == 0)
- out->add_range (this->startCount[i], this->endCount[i]);
+ {
+ for (hb_codepoint_t codepoint = start; codepoint <= end; codepoint++)
+ {
+ hb_codepoint_t gid = (codepoint + this->idDelta[i]) & 0xFFFFu;
+ if (unlikely (!gid))
+ continue;
+ out->add (codepoint);
+ }
+ }
else
{
- for (hb_codepoint_t codepoint = this->startCount[i];
- codepoint <= this->endCount[i];
- codepoint++)
+ for (hb_codepoint_t codepoint = start; codepoint <= end; codepoint++)
{
unsigned int index = rangeOffset / 2 + (codepoint - this->startCount[i]) + i - this->segCount;
if (unlikely (index >= this->glyphIdArrayLength))
@@ -522,10 +530,18 @@ struct CmapSubtableLongSegmented
void collect_unicodes (hb_set_t *out) const
{
- for (unsigned int i = 0; i < this->groups.len; i++) {
- out->add_range (this->groups[i].startCharCode,
- hb_min ((hb_codepoint_t) this->groups[i].endCharCode,
- (hb_codepoint_t) HB_UNICODE_MAX));
+ for (unsigned int i = 0; i < this->groups.len; i++)
+ {
+ hb_codepoint_t start = this->groups[i].startCharCode;
+ hb_codepoint_t end = hb_min ((hb_codepoint_t) this->groups[i].endCharCode,
+ (hb_codepoint_t) HB_UNICODE_MAX);
+ for (hb_codepoint_t codepoint = start; codepoint <= end; codepoint++)
+ {
+ hb_codepoint_t gid = T::group_get_glyph (this->groups[i], codepoint);
+ if (unlikely (!gid))
+ continue;
+ out->add (codepoint);
+ }
}
}