/// <summary> /// /// </summary> /// <param name="contents"></param> /// <param name="format"></param> /// <param name="width"></param> /// <param name="height"></param> /// <param name="hints"></param> /// <returns></returns> public ByteMatrix encode(System.String contents, BarcodeFormat format, int width, int height, System.Collections.Hashtable hints) { if (contents == null || contents.Length == 0) { throw new System.ArgumentException("Found empty contents"); } if (format != BarcodeFormat.MICRO_QR_CODE) { throw new System.ArgumentException("Can only encode QR_CODE, but got " + format); } if (width < 0 || height < 0) { throw new System.ArgumentException("Requested dimensions are too small: " + width + 'x' + height); } ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L; int cVersionNum = -1; if (hints != null) { ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel)hints[EncodeHintType.ERROR_CORRECTION]; if (requestedECLevel != null) { errorCorrectionLevel = requestedECLevel; } int versionNum = (int)hints[EncodeHintType.MICROQRCODE_VERSION]; if (versionNum >= 1 && versionNum <= 4) { cVersionNum = versionNum; } } MicroQRCode code = new MicroQRCode(); Encoder.encode(contents, errorCorrectionLevel, hints, code, cVersionNum); return(renderResult(code, width, height)); }
/// <summary> /// /// </summary> /// <param name="contents"></param> /// <param name="format"></param> /// <param name="width"></param> /// <param name="height"></param> /// <param name="hints"></param> /// <returns></returns> public ByteMatrix encode(System.String contents, BarcodeFormat format, int width, int height, System.Collections.Hashtable hints) { if (contents == null || contents.Length == 0) { throw new System.ArgumentException("Found empty contents"); } if (format != BarcodeFormat.MICRO_QR_CODE) { throw new System.ArgumentException("Can only encode QR_CODE, but got " + format); } if (width < 0 || height < 0) { throw new System.ArgumentException("Requested dimensions are too small: " + width + 'x' + height); } ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L; int cVersionNum = -1; if (hints != null) { ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel)hints[EncodeHintType.ERROR_CORRECTION]; if (requestedECLevel != null) { errorCorrectionLevel = requestedECLevel; } int versionNum = (int)hints[EncodeHintType.MICROQRCODE_VERSION]; if (versionNum >= 1 && versionNum <= 4) cVersionNum = versionNum; } MicroQRCode code = new MicroQRCode(); Encoder.encode(contents, errorCorrectionLevel, hints, code, cVersionNum); return renderResult(code, width, height); }
// Note that the input matrix uses 0 == white, 1 == black, while the output matrix uses // 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap). private static ByteMatrix renderResult(MicroQRCode code, int width, int height) { ByteMatrix input = code.Matrix; int inputWidth = input.Width; int inputHeight = input.Height; int qrWidth = inputWidth + (QUIET_ZONE_SIZE << 1); int qrHeight = inputHeight + (QUIET_ZONE_SIZE << 1); int outputWidth = System.Math.Max(width, qrWidth); int outputHeight = System.Math.Max(height, qrHeight); int multiple = System.Math.Min(outputWidth / qrWidth, outputHeight / qrHeight); // Padding includes both the quiet zone and the extra white pixels to accommodate the requested // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone. // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will // handle all the padding from 100x100 (the actual QR) up to 200x160. int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; ByteMatrix output = new ByteMatrix(outputWidth, outputHeight); sbyte[][] outputArray = output.Array; // We could be tricky and use the first row in each set of multiple as the temporary storage, // instead of allocating this separate array. sbyte[] row = new sbyte[outputWidth]; // 1. Write the white lines at the top for (int y = 0; y < topPadding; y++) { setRowColor(outputArray[y], (sbyte)SupportClass.Identity(255)); } // 2. Expand the QR image to the multiple sbyte[][] inputArray = input.Array; for (int y = 0; y < inputHeight; y++) { // a. Write the white pixels at the left of each row for (int x = 0; x < leftPadding; x++) { row[x] = (sbyte)SupportClass.Identity(255); } // b. Write the contents of this row of the barcode int offset = leftPadding; for (int x = 0; x < inputWidth; x++) { // Redivivus.in Java to c# Porting update - Type cased sbyte // 30/01/2010 // sbyte value_Renamed = (inputArray[y][x] == 1)?0:(sbyte) SupportClass.Identity(255); sbyte value_Renamed = (sbyte)((inputArray[y][x] == 1) ? 0 : SupportClass.Identity(255)); for (int z = 0; z < multiple; z++) { row[offset + z] = value_Renamed; } offset += multiple; } // c. Write the white pixels at the right of each row offset = leftPadding + (inputWidth * multiple); for (int x = offset; x < outputWidth; x++) { row[x] = (sbyte)SupportClass.Identity(255); } // d. Write the completed row multiple times offset = topPadding + (y * multiple); for (int z = 0; z < multiple; z++) { Array.Copy(row, 0, outputArray[offset + z], 0, outputWidth); } } // 3. Write the white lines at the bottom int offset2 = topPadding + (inputHeight * multiple); for (int y = offset2; y < outputHeight; y++) { setRowColor(outputArray[y], (sbyte)SupportClass.Identity(255)); } return output; }
// Note that the input matrix uses 0 == white, 1 == black, while the output matrix uses // 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap). private static ByteMatrix renderResult(MicroQRCode code, int width, int height) { ByteMatrix input = code.Matrix; int inputWidth = input.Width; int inputHeight = input.Height; int qrWidth = inputWidth + (QUIET_ZONE_SIZE << 1); int qrHeight = inputHeight + (QUIET_ZONE_SIZE << 1); int outputWidth = System.Math.Max(width, qrWidth); int outputHeight = System.Math.Max(height, qrHeight); int multiple = System.Math.Min(outputWidth / qrWidth, outputHeight / qrHeight); // Padding includes both the quiet zone and the extra white pixels to accommodate the requested // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone. // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will // handle all the padding from 100x100 (the actual QR) up to 200x160. int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; ByteMatrix output = new ByteMatrix(outputWidth, outputHeight); sbyte[][] outputArray = output.Array; // We could be tricky and use the first row in each set of multiple as the temporary storage, // instead of allocating this separate array. sbyte[] row = new sbyte[outputWidth]; // 1. Write the white lines at the top for (int y = 0; y < topPadding; y++) { setRowColor(outputArray[y], (sbyte)SupportClass.Identity(255)); } // 2. Expand the QR image to the multiple sbyte[][] inputArray = input.Array; for (int y = 0; y < inputHeight; y++) { // a. Write the white pixels at the left of each row for (int x = 0; x < leftPadding; x++) { row[x] = (sbyte)SupportClass.Identity(255); } // b. Write the contents of this row of the barcode int offset = leftPadding; for (int x = 0; x < inputWidth; x++) { // Redivivus.in Java to c# Porting update - Type cased sbyte // 30/01/2010 // sbyte value_Renamed = (inputArray[y][x] == 1)?0:(sbyte) SupportClass.Identity(255); sbyte value_Renamed = (sbyte)((inputArray[y][x] == 1) ? 0 : SupportClass.Identity(255)); for (int z = 0; z < multiple; z++) { row[offset + z] = value_Renamed; } offset += multiple; } // c. Write the white pixels at the right of each row offset = leftPadding + (inputWidth * multiple); for (int x = offset; x < outputWidth; x++) { row[x] = (sbyte)SupportClass.Identity(255); } // d. Write the completed row multiple times offset = topPadding + (y * multiple); for (int z = 0; z < multiple; z++) { Array.Copy(row, 0, outputArray[offset + z], 0, outputWidth); } } // 3. Write the white lines at the bottom int offset2 = topPadding + (inputHeight * multiple); for (int y = offset2; y < outputHeight; y++) { setRowColor(outputArray[y], (sbyte)SupportClass.Identity(255)); } return(output); }