/// <summary> /// Creates a new deflater with given compression level. /// </summary> /// <param name="level"> /// the compression level, a value between NO_COMPRESSION /// and BEST_COMPRESSION. /// </param> /// <param name="noZlibHeaderOrFooter"> /// true, if we should suppress the Zlib/RFC1950 header at the /// beginning and the adler checksum at the end of the output. This is /// useful for the GZIP/PKZIP formats. /// </param> /// <exception cref="System.ArgumentOutOfRangeException">if lvl is out of range.</exception> public Deflater(int level, bool noZlibHeaderOrFooter) { if (level == DEFAULT_COMPRESSION) { level = 6; } else if (level < NO_COMPRESSION || level > BEST_COMPRESSION) { throw new ArgumentOutOfRangeException("level"); } pending = new DeflaterPending(); engine = new DeflaterEngine(pending); this.noZlibHeaderOrFooter = noZlibHeaderOrFooter; SetStrategy(DeflateStrategy.Default); SetLevel(level); Reset(); }