[subset/cff1] Speed up plan_subset_charset

2 years ago · b4b80bcaea
parent 7305ec47b1
commit b4b80bcaea
1 changed files with 7 additions and 1 deletions
--- a/src/hb-subset-cff1.cc
+++ b/src/hb-subset-cff1.cc
@ -556,7 +556,13 @@ struct cff1_subset_plan
      if (sid != last_sid + 1)
      {
 	code_pair_t pair { sid, glyph };
-	subset_charset_ranges.push (pair);
+	// This is stupid to do manually but it does show speedup.
+	// We should find up where the slowdown comes from in push()
+	// and fix it.
+	if ((int) subset_charset_ranges.length < subset_charset_ranges.allocated)
+	  subset_charset_ranges.arrayZ[subset_charset_ranges.length++] = pair;
+	else
+	  subset_charset_ranges.push (pair);
      }
      last_sid = sid;
    }