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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-os2-table.hh25
1 files changed, 4 insertions, 21 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-os2-table.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-os2-table.hh
index 8e98f87f4e9..f0035e2f04e 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-os2-table.hh
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-os2-table.hh
@@ -30,7 +30,6 @@
#include "hb-open-type.hh"
#include "hb-ot-os2-unicode-ranges.hh"
-#include "hb-ot-cmap-table.hh"
#include "hb-set.hh"
@@ -172,33 +171,17 @@ struct OS2
TRACE_SUBSET (this);
OS2 *os2_prime = c->serializer->embed (this);
if (unlikely (!os2_prime)) return_trace (false);
+ if (c->plan->flags & HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES)
+ return_trace (true);
- hb_set_t unicodes;
- if (!c->plan->glyphs_requested->is_empty ())
- {
- hb_map_t unicode_glyphid_map;
-
- OT::cmap::accelerator_t cmap;
- cmap.init (c->plan->source);
- cmap.collect_mapping (&unicodes, &unicode_glyphid_map);
- cmap.fini ();
-
- hb_set_set (&unicodes, c->plan->unicodes);
-
- + unicode_glyphid_map.iter ()
- | hb_filter (c->plan->glyphs_requested, hb_second)
- | hb_map (hb_first)
- | hb_sink (unicodes)
- ;
- }
/* when --gids option is not used, no need to do collect_mapping that is
* iterating all codepoints in each subtable, which is not efficient */
uint16_t min_cp, max_cp;
- find_min_and_max_codepoint (unicodes.is_empty () ? c->plan->unicodes : &unicodes, &min_cp, &max_cp);
+ find_min_and_max_codepoint (c->plan->unicodes, &min_cp, &max_cp);
os2_prime->usFirstCharIndex = min_cp;
os2_prime->usLastCharIndex = max_cp;
- _update_unicode_ranges (unicodes.is_empty () ? c->plan->unicodes : &unicodes, os2_prime->ulUnicodeRange);
+ _update_unicode_ranges (c->plan->unicodes, os2_prime->ulUnicodeRange);
return_trace (true);
}