1 files changed, 6 insertions, 9 deletions
diff --git a/utf8fontfile.go b/utf8fontfile.go
index 07cf169..4d90f28 100644
--- a/utf8fontfile.go
+++ b/utf8fontfile.go
@@ -1139,18 +1139,15 @@ func keySortArrayRangeMap(s map[int][]int) []int {
 	return keys
 }
 
-// UTF8CutFont cuts a set in cutset and returns the customized font bytes
-// Parameters:
-// in - the ttf bytes in,
-// cutset - the cutset runes in string,
-// Returns:
-// out - the ttf bytes out,
-func UTF8CutFont(in []byte, cutset string) (out []byte) {
-	f := newUTF8Font(&fileReader{readerPosition: 0, array: in})
+// UTF8CutFont is a utility function that generates a TrueType font composed
+// only of the runes included in cutset. The rune glyphs are copied from This
+// function is demonstrated in ExampleUTF8CutFont().
+func UTF8CutFont(inBuf []byte, cutset string) (outBuf []byte) {
+	f := newUTF8Font(&fileReader{readerPosition: 0, array: inBuf})
 	runes := map[int]int{}
 	for i, r := range cutset {
 		runes[i] = int(r)
 	}
-	out = f.GenerateСutFont(runes)
+	outBuf = f.GenerateСutFont(runes)
 	return
 }