public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, IDictionary <EncodeHintType, object> hints) { if (String.IsNullOrEmpty(contents)) { throw new ArgumentException("Found empty contents", contents); } if (format != BarcodeFormat.DATA_MATRIX) { throw new ArgumentException("Can only encode DATA_MATRIX, but got " + format); } if (width < 0 || height < 0) { throw new ArgumentException("Requested dimensions are too small: " + width + 'x' + height); } // Try to get force shape & min / max size SymbolShapeHint shape = SymbolShapeHint.FORCE_NONE; Dimension minSize = null; Dimension maxSize = null; if (hints != null) { var requestedShape = hints.ContainsKey(EncodeHintType.DATA_MATRIX_SHAPE) ? (SymbolShapeHint?)hints[EncodeHintType.DATA_MATRIX_SHAPE] : null; if (requestedShape != null) { shape = requestedShape.Value; } var requestedMinSize = hints.ContainsKey(EncodeHintType.MIN_SIZE) ? (Dimension)hints[EncodeHintType.MIN_SIZE] : null; if (requestedMinSize != null) { minSize = requestedMinSize; } var requestedMaxSize = hints.ContainsKey(EncodeHintType.MAX_SIZE) ? (Dimension)hints[EncodeHintType.MAX_SIZE] : null; if (requestedMaxSize != null) { maxSize = requestedMaxSize; } } //1. step: Data encodation String encoded = HighLevelEncoder.encodeHighLevel(contents, shape, minSize, maxSize); SymbolInfo symbolInfo = SymbolInfo.lookup(encoded.Length, shape, minSize, maxSize, true); //2. step: ECC generation String codewords = ErrorCorrection.encodeECC200(encoded, symbolInfo); //3. step: Module placement in Matrix var placement = new DefaultPlacement(codewords, symbolInfo.getSymbolDataWidth(), symbolInfo.getSymbolDataHeight()); placement.place(); //4. step: low-level encoding return(encodeLowLevel(placement, symbolInfo)); }
public void testRS() { //Sample from Annexe R in ISO/IEC 16022:2000(E) char[] cw = { (char)142, (char)164, (char)186 }; SymbolInfo symbolInfo = SymbolInfo.lookup(3); String s = ErrorCorrection.encodeECC200(String.Join("", cw), symbolInfo); Assert.AreEqual("142 164 186 114 25 5 88 102", HighLevelEncodeTestCase.visualize(s)); //"A" encoded (ASCII encoding + 2 padding characters) cw = new char[] { (char)66, (char)129, (char)70 }; s = ErrorCorrection.encodeECC200(String.Join("", cw), symbolInfo); Assert.AreEqual("66 129 70 138 234 82 82 95", HighLevelEncodeTestCase.visualize(s)); }
/// <summary> /// encodes the content to a BitMatrix /// </summary> /// <param name="contents"></param> /// <param name="format"></param> /// <param name="width"></param> /// <param name="height"></param> /// <param name="hints"></param> /// <returns></returns> public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, IDictionary <EncodeHintType, object> hints) { if (String.IsNullOrEmpty(contents)) { throw new ArgumentException("Found empty contents", contents); } if (format != BarcodeFormat.DATA_MATRIX) { throw new ArgumentException("Can only encode DATA_MATRIX, but got " + format); } if (width < 0 || height < 0) { throw new ArgumentException("Requested dimensions can't be negative: " + width + 'x' + height); } // Try to get force shape & min / max size var shape = SymbolShapeHint.FORCE_NONE; var defaultEncodation = Encodation.ASCII; Dimension minSize = null; Dimension maxSize = null; if (hints != null) { if (hints.ContainsKey(EncodeHintType.DATA_MATRIX_SHAPE)) { var requestedShape = hints[EncodeHintType.DATA_MATRIX_SHAPE]; if (requestedShape is SymbolShapeHint) { shape = (SymbolShapeHint)requestedShape; } else { if (Enum.IsDefined(typeof(SymbolShapeHint), requestedShape.ToString())) { shape = (SymbolShapeHint)Enum.Parse(typeof(SymbolShapeHint), requestedShape.ToString(), true); } } } var requestedMinSize = hints.ContainsKey(EncodeHintType.MIN_SIZE) ? hints[EncodeHintType.MIN_SIZE] as Dimension : null; if (requestedMinSize != null) { minSize = requestedMinSize; } var requestedMaxSize = hints.ContainsKey(EncodeHintType.MAX_SIZE) ? hints[EncodeHintType.MAX_SIZE] as Dimension : null; if (requestedMaxSize != null) { maxSize = requestedMaxSize; } if (hints.ContainsKey(EncodeHintType.DATA_MATRIX_DEFAULT_ENCODATION)) { var requestedDefaultEncodation = hints[EncodeHintType.DATA_MATRIX_DEFAULT_ENCODATION]; if (requestedDefaultEncodation != null) { defaultEncodation = Convert.ToInt32(requestedDefaultEncodation.ToString()); } } } //1. step: Data encodation String encoded = HighLevelEncoder.encodeHighLevel(contents, shape, minSize, maxSize, defaultEncodation); SymbolInfo symbolInfo = SymbolInfo.lookup(encoded.Length, shape, minSize, maxSize, true); //2. step: ECC generation String codewords = ErrorCorrection.encodeECC200(encoded, symbolInfo); //3. step: Module placement in Matrix var placement = new DefaultPlacement(codewords, symbolInfo.getSymbolDataWidth(), symbolInfo.getSymbolDataHeight()); placement.place(); //4. step: low-level encoding return(encodeLowLevel(placement, symbolInfo, width, height)); }