-/*\r
-* Copyright 2007 ZXing authors\r
+/*\r
+* Copyright 2008 ZXing authors\r
*\r
* Licensed under the Apache License, Version 2.0 (the "License");\r
* you may not use this file except in compliance with the License.\r
* See the License for the specific language governing permissions and\r
* limitations under the License.\r
*/\r
+using System;\r
+using BarcodeFormat = com.google.zxing.BarcodeFormat;\r
+using EncodeHintType = com.google.zxing.EncodeHintType;\r
+using Writer = com.google.zxing.Writer;\r
+using WriterException = com.google.zxing.WriterException;\r
+using ByteMatrix = com.google.zxing.common.ByteMatrix;\r
+using Encoder = com.google.zxing.qrcode.encoder.Encoder;\r
+using QRCode = com.google.zxing.qrcode.encoder.QRCode;\r
+using ErrorCorrectionLevel = com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;\r
namespace com.google.zxing.qrcode\r
{\r
- using System;\r
- using System.Collections;\r
- using com.google.zxing.common;\r
- using com.google.zxing.qrcode.decoder;\r
- using com.google.zxing.qrcode.detector;\r
- using com.google.zxing.qrcode.encoder;\r
-\r
- public sealed class QRCodeWriter : Writer\r
- { \r
- private static int QUIET_ZONE_SIZE = 4;\r
- public ByteMatrix encode(String contents, BarcodeFormat format, int width, int height)\r
- {\r
- try{\r
- return encode(contents, format, width, height, null);\r
- }catch(Exception e){\r
- throw new WriterException(e.Message);\r
- } \r
- }\r
-\r
- public ByteMatrix encode(String contents, BarcodeFormat format, int width, int height,Hashtable hints) {\r
-\r
- if (contents == null || contents.Length == 0) {\r
- throw new ArgumentException("Found empty contents");\r
- }\r
-\r
- if (format != BarcodeFormat.QR_CODE) {\r
- throw new ArgumentException("Can only encode QR_CODE, but got " + format);\r
- }\r
-\r
- if (width < 0 || height < 0) {\r
- throw new ArgumentException("Requested dimensions are too small: " + width + 'x' +\r
- height);\r
- }\r
-\r
- ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;\r
- if (hints != null) {\r
- ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints[EncodeHintType.ERROR_CORRECTION];\r
- if (requestedECLevel != null) {\r
- errorCorrectionLevel = requestedECLevel;\r
- }\r
- }\r
-\r
- QRCode code = new QRCode();\r
- Encoder.encode(contents, errorCorrectionLevel, code);\r
- return renderResult(code, width, height);\r
- }\r
-\r
- // Note that the input matrix uses 0 == white, 1 == black, while the output matrix uses\r
- // 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap).\r
- private static ByteMatrix renderResult(QRCode code, int width, int height) {\r
- ByteMatrix input = code.getMatrix();\r
- int inputWidth = input.width();\r
- int inputHeight = input.height();\r
- int qrWidth = inputWidth + (QUIET_ZONE_SIZE << 1);\r
- int qrHeight = inputHeight + (QUIET_ZONE_SIZE << 1);\r
- int outputWidth = Math.Max(width, qrWidth);\r
- int outputHeight = Math.Max(height, qrHeight);\r
-\r
- int multiple = Math.Min(outputWidth / qrWidth, outputHeight / qrHeight);\r
- // Padding includes both the quiet zone and the extra white pixels to accomodate the requested\r
- // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.\r
- // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will\r
- // handle all the padding from 100x100 (the actual QR) up to 200x160.\r
- int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;\r
- int topPadding = (outputHeight - (inputHeight * multiple)) / 2;\r
-\r
- ByteMatrix output = new ByteMatrix(outputHeight, outputWidth);\r
- sbyte[][] outputArray = output.getArray();\r
-\r
- // We could be tricky and use the first row in each set of multiple as the temporary storage,\r
- // instead of allocating this separate array.\r
- sbyte[] row = new sbyte[outputWidth];\r
-\r
- // 1. Write the white lines at the top\r
- for (int y = 0; y < topPadding; y++) {\r
- setRowColor(outputArray[y], unchecked((sbyte)255));\r
- }\r
-\r
- // 2. Expand the QR image to the multiple\r
- sbyte[][] inputArray = input.getArray();\r
- for (int y = 0; y < inputHeight; y++) {\r
- // a. Write the white pixels at the left of each row\r
- for (int x = 0; x < leftPadding; x++) {\r
- row[x] = unchecked((sbyte) 255);\r
- }\r
-\r
- // b. Write the contents of this row of the barcode\r
- int offset = leftPadding;\r
- for (int x = 0; x < inputWidth; x++) {\r
- sbyte value = (inputArray[y][x] == 1) ? (sbyte) 0 : unchecked((sbyte) 255);\r
- for (int z = 0; z < multiple; z++) {\r
- row[offset + z] = value;\r
- }\r
- offset += multiple;\r
- }\r
-\r
- // c. Write the white pixels at the right of each row\r
- offset = leftPadding + (inputWidth * multiple);\r
- for (int x = offset; x < outputWidth; x++) {\r
- row[x] = unchecked((sbyte) 255);\r
- }\r
-\r
- // d. Write the completed row multiple times\r
- offset = topPadding + (y * multiple);\r
- for (int z = 0; z < multiple; z++) {\r
- System.Array.Copy(row, 0, outputArray[offset + z], 0, outputWidth);\r
- }\r
- }\r
-\r
- // 3. Write the white lines at the bottom\r
- int offset2 = topPadding + (inputHeight * multiple);\r
- for (int y = offset2; y < outputHeight; y++) {\r
- setRowColor(outputArray[y], unchecked((sbyte) 255));\r
- }\r
-\r
- // Added per beyonddeath\r
- for (int x = 0; x < outputHeight; x++) {\r
- for (int y = 0; y < outputWidth; y++) {\r
- output.set(y, x, outputArray[x][y]);\r
- }\r
- }\r
-\r
- return output;\r
- }\r
-\r
- private static void setRowColor(sbyte[] row, sbyte value) {\r
- for (int x = 0; x < row.Length; x++) {\r
- row[x] = value;\r
- }\r
- }\r
- \r
- }\r
-}\r
+ \r
+ /// <summary> This object renders a QR Code as a ByteMatrix 2D array of greyscale values.\r
+ /// \r
+ /// </summary>\r
+ /// <author> dswitkin@google.com (Daniel Switkin)\r
+ /// </author>\r
+ /// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source \r
+ /// </author>\r
+ public sealed class QRCodeWriter : Writer\r
+ {\r
+ \r
+ private const int QUIET_ZONE_SIZE = 4;\r
+ \r
+ public ByteMatrix encode(System.String contents, BarcodeFormat format, int width, int height)\r
+ {\r
+ \r
+ return encode(contents, format, width, height, null);\r
+ }\r
+ \r
+ public ByteMatrix encode(System.String contents, BarcodeFormat format, int width, int height, System.Collections.Hashtable hints)\r
+ {\r
+ \r
+ if (contents == null || contents.Length == 0)\r
+ {\r
+ throw new System.ArgumentException("Found empty contents");\r
+ }\r
+ \r
+ if (format != BarcodeFormat.QR_CODE)\r
+ {\r
+ throw new System.ArgumentException("Can only encode QR_CODE, but got " + format);\r
+ }\r
+ \r
+ if (width < 0 || height < 0)\r
+ {\r
+ throw new System.ArgumentException("Requested dimensions are too small: " + width + 'x' + height);\r
+ }\r
+ \r
+ ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;\r
+ if (hints != null)\r
+ {\r
+ ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints[EncodeHintType.ERROR_CORRECTION];\r
+ if (requestedECLevel != null)\r
+ {\r
+ errorCorrectionLevel = requestedECLevel;\r
+ }\r
+ }\r
+ \r
+ QRCode code = new QRCode();\r
+ Encoder.encode(contents, errorCorrectionLevel, hints, code);\r
+ return renderResult(code, width, height);\r
+ }\r
+ \r
+ // Note that the input matrix uses 0 == white, 1 == black, while the output matrix uses\r
+ // 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap).\r
+ private static ByteMatrix renderResult(QRCode code, int width, int height)\r
+ {\r
+ ByteMatrix input = code.Matrix;\r
+ int inputWidth = input.Width;\r
+ int inputHeight = input.Height;\r
+ int qrWidth = inputWidth + (QUIET_ZONE_SIZE << 1);\r
+ int qrHeight = inputHeight + (QUIET_ZONE_SIZE << 1);\r
+ int outputWidth = System.Math.Max(width, qrWidth);\r
+ int outputHeight = System.Math.Max(height, qrHeight);\r
+ \r
+ int multiple = System.Math.Min(outputWidth / qrWidth, outputHeight / qrHeight);\r
+ // Padding includes both the quiet zone and the extra white pixels to accommodate the requested\r
+ // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.\r
+ // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will\r
+ // handle all the padding from 100x100 (the actual QR) up to 200x160.\r
+ int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;\r
+ int topPadding = (outputHeight - (inputHeight * multiple)) / 2;\r
+ \r
+ ByteMatrix output = new ByteMatrix(outputWidth, outputHeight);\r
+ sbyte[][] outputArray = output.Array;\r
+ \r
+ // We could be tricky and use the first row in each set of multiple as the temporary storage,\r
+ // instead of allocating this separate array.\r
+ sbyte[] row = new sbyte[outputWidth];\r
+ \r
+ // 1. Write the white lines at the top\r
+ for (int y = 0; y < topPadding; y++)\r
+ {\r
+ setRowColor(outputArray[y], (sbyte) SupportClass.Identity(255));\r
+ }\r
+ \r
+ // 2. Expand the QR image to the multiple\r
+ sbyte[][] inputArray = input.Array;\r
+ for (int y = 0; y < inputHeight; y++)\r
+ {\r
+ // a. Write the white pixels at the left of each row\r
+ for (int x = 0; x < leftPadding; x++)\r
+ {\r
+ row[x] = (sbyte) SupportClass.Identity(255);\r
+ }\r
+ \r
+ // b. Write the contents of this row of the barcode\r
+ int offset = leftPadding;\r
+ for (int x = 0; x < inputWidth; x++)\r
+ {\r
+ // Redivivus.in Java to c# Porting update - Type cased sbyte\r
+ // 30/01/2010 \r
+ // sbyte value_Renamed = (inputArray[y][x] == 1)?0:(sbyte) SupportClass.Identity(255);\r
+ sbyte value_Renamed = (sbyte)((inputArray[y][x] == 1) ? 0 : SupportClass.Identity(255));\r
+ for (int z = 0; z < multiple; z++)\r
+ {\r
+ row[offset + z] = value_Renamed;\r
+ }\r
+ offset += multiple;\r
+ }\r
+ \r
+ // c. Write the white pixels at the right of each row\r
+ offset = leftPadding + (inputWidth * multiple);\r
+ for (int x = offset; x < outputWidth; x++)\r
+ {\r
+ row[x] = (sbyte) SupportClass.Identity(255);\r
+ }\r
+ \r
+ // d. Write the completed row multiple times\r
+ offset = topPadding + (y * multiple);\r
+ for (int z = 0; z < multiple; z++)\r
+ {\r
+ Array.Copy(row, 0, outputArray[offset + z], 0, outputWidth);\r
+ }\r
+ }\r
+ \r
+ // 3. Write the white lines at the bottom\r
+ int offset2 = topPadding + (inputHeight * multiple);\r
+ for (int y = offset2; y < outputHeight; y++)\r
+ {\r
+ setRowColor(outputArray[y], (sbyte) SupportClass.Identity(255));\r
+ }\r
+ \r
+ return output;\r
+ }\r
+ \r
+ private static void setRowColor(sbyte[] row, sbyte value_Renamed)\r
+ {\r
+ for (int x = 0; x < row.Length; x++)\r
+ {\r
+ row[x] = value_Renamed;\r
+ }\r
+ }\r
+ }\r
+}
\ No newline at end of file
projects / zxing.git / blobdiff