53 int compressionLevel = -1,
70 int compressionLevel = -1,
71 bool deleteDestStreamWhenDestroyed =
false,
83 void flush()
override;
87 bool write (
const void*,
size_t)
override;
95 windowBitsGZIP = 15 + 16
102 class GZIPCompressorHelper;
103 std::unique_ptr<GZIPCompressorHelper> helper;