private static BitMatrix renderResult(QRCode code, int quietZone) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth + (quietZone * 2); int qrHeight = inputHeight + (quietZone * 2); int outputWidth = Math.max(0, qrWidth); int outputHeight = Math.max(0, qrHeight); int multiple = 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; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }
public class QRCodeScreen extends MainScreen { private String qrCode; private static final int QRCODE_WIDTH = 100; private BitmapField qrImage; public QRCodeScreen(String qrCode) { this.qrCode = "Test String"; qrImage = new BitmapField(new Bitmap(QRCODE_WIDTH, QRCODE_WIDTH),FIELD_HCENTER); qrImage.setBorder(BorderFactory.createBevelBorder(new XYEdges(2, 2, 2, 2))); try { QRCode code = new QRCode(); Encoder.encode(qrCode, ErrorCorrectionLevel.L, code); ByteMatrix barcode = code.getMatrix(); Bitmap bitmap = BarcodeBitmap.createBitmap(barcode, QRCODE_WIDTH); qrImage.setBitmap(bitmap); } catch (Exception e) { e.printStackTrace(); } add(qrImage); } }
public static boolean getDataMaskBit(int maskPattern, int x, int y) { if (!QRCode.isValidMaskPattern(maskPattern)) { throw new IllegalArgumentException("Invalid mask pattern");
qrCode.setECLevel(ecLevel); qrCode.setMode(mode); qrCode.setVersion(versionNum); qrCode.setNumTotalBytes(numBytes); qrCode.setNumDataBytes(numDataBytes); qrCode.setNumRSBlocks(numRSBlocks); qrCode.setNumECBytes(numEcBytes); qrCode.setMatrixWidth(version.getDimensionForVersion()); return;
appendLengthInfo(numLetters, qrCode.getVersion(), mode, headerAndDataBits); headerAndDataBits.appendBitArray(dataBits); terminateBits(qrCode.getNumDataBytes(), headerAndDataBits); interleaveWithECBytes(headerAndDataBits, qrCode.getNumTotalBytes(), qrCode.getNumDataBytes(), qrCode.getNumRSBlocks(), finalBits); ByteMatrix matrix = new ByteMatrix(qrCode.getMatrixWidth(), qrCode.getMatrixWidth()); qrCode.setMaskPattern(chooseMaskPattern(finalBits, qrCode.getECLevel(), qrCode.getVersion(), matrix)); MatrixUtil.buildMatrix(finalBits, qrCode.getECLevel(), qrCode.getVersion(), qrCode.getMaskPattern(), matrix); qrCode.setMatrix(matrix); if (!qrCode.isValid()) { throw new WriterException("Invalid QR code: " + qrCode.toString());
ecBlocks.getNumBlocks()); QRCode qrCode = new QRCode(); qrCode.setECLevel(ecLevel); qrCode.setMode(mode); qrCode.setVersion(version); ByteMatrix matrix = new ByteMatrix(dimension, dimension); int maskPattern = chooseMaskPattern(finalBits, ecLevel, version, matrix); qrCode.setMaskPattern(maskPattern); qrCode.setMatrix(matrix);
var qrcode = new QRCode("qrcode"); var qrcode = new QRCode("test", { text: "http://jindo.dev.naver.com/collie", width: 400, height: 400, colorDark : "#000000", colorLight : "#ffffff", correctLevel : QRCode.CorrectLevel.H });
appendLengthInfo(numLetters, qrCode.getVersion(), mode, headerAndDataBits); headerAndDataBits.appendBitArray(dataBits); terminateBits(qrCode.getNumDataBytes(), headerAndDataBits); interleaveWithECBytes(headerAndDataBits, qrCode.getNumTotalBytes(), qrCode.getNumDataBytes(), qrCode.getNumRSBlocks(), finalBits); ByteMatrix matrix = new ByteMatrix(qrCode.getMatrixWidth(), qrCode.getMatrixWidth()); qrCode.setMaskPattern(chooseMaskPattern(finalBits, qrCode.getECLevel(), qrCode.getVersion(), matrix)); MatrixUtil.buildMatrix(finalBits, qrCode.getECLevel(), qrCode.getVersion(), qrCode.getMaskPattern(), matrix); qrCode.setMatrix(matrix); if (!qrCode.isValid()) { throw new WriterException("Invalid QR code: " + qrCode.toString());
ecBlocks.getNumBlocks()); QRCode qrCode = new QRCode(); qrCode.setECLevel(ecLevel); qrCode.setMode(mode); qrCode.setVersion(version); ByteMatrix matrix = new ByteMatrix(dimension, dimension); int maskPattern = chooseMaskPattern(finalBits, ecLevel, version, matrix); qrCode.setMaskPattern(maskPattern); qrCode.setMatrix(matrix);
qrCode.setECLevel(ecLevel); qrCode.setMode(mode); qrCode.setVersion(versionNum); qrCode.setNumTotalBytes(numBytes); qrCode.setNumDataBytes(numDataBytes); qrCode.setNumRSBlocks(numRSBlocks); qrCode.setNumECBytes(numEcBytes); qrCode.setMatrixWidth(version.getDimensionForVersion()); return;
public BitMatrix encode(String contents, BarcodeFormat format, int multiple, Hashtable hints) throws WriterException { if (contents == null || contents.length() == 0) { throw new IllegalArgumentException("Found empty contents"); } if (format != BarcodeFormat.QR_CODE) { throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format); } ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L; if (hints != null) { ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION); if (requestedECLevel != null) { errorCorrectionLevel = requestedECLevel; } } QRCode code = new QRCode(); Encoder.encode(contents, errorCorrectionLevel, hints, code); return renderResult(code, multiple); }
try { QRCode code = Encoder.encode(content, ERROR_CORRECTION_LEVEL, null); int size = code.getMatrix().getWidth();
public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Hashtable hints) throws WriterException { if (contents == null || contents.length() == 0) { throw new IllegalArgumentException("Found empty contents"); } if (format != BarcodeFormat.QR_CODE) { throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format); } if (width < 0 || height < 0) { throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' + height); } ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L; if (hints != null) { ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION); if (requestedECLevel != null) { errorCorrectionLevel = requestedECLevel; } } QRCode code = new QRCode(); Encoder.encode(contents, errorCorrectionLevel, hints, code); return renderResult(code, width, height); }
public static boolean getDataMaskBit(int maskPattern, int x, int y) { if (!QRCode.isValidMaskPattern(maskPattern)) { throw new IllegalArgumentException("Invalid mask pattern");
ByteMatrix mat = qr.getMatrix(); int width = mat.getWidth(); int height = mat.getHeight();
try { QRCode code = new QRCode(); matrix = encode(contents, code);
public boolean isValid() { return // First check if all version are not uninitialized. mode != null && ecLevel != null && version != -1 && matrixWidth != -1 && maskPattern != -1 && numTotalBytes != -1 && numDataBytes != -1 && numECBytes != -1 && numRSBlocks != -1 && // Then check them in other ways.. isValidMaskPattern(maskPattern) && numTotalBytes == numDataBytes + numECBytes && // ByteMatrix stuff. matrix != null && matrixWidth == matrix.getWidth() && // See 7.3.1 of JISX0510:2004 (p.5). matrix.getWidth() == matrix.getHeight(); // Must be square. }
private static BitMatrix renderResult(QRCode code, int width, int height, int quietZone) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth + (quietZone * 2); int qrHeight = inputHeight + (quietZone * 2); int outputWidth = Math.max(width, qrWidth); int outputHeight = Math.max(height, qrHeight); int multiple = 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; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }
public boolean isValid() { return // First check if all version are not uninitialized. mode != null && ecLevel != null && version != -1 && matrixWidth != -1 && maskPattern != -1 && numTotalBytes != -1 && numDataBytes != -1 && numECBytes != -1 && numRSBlocks != -1 && // Then check them in other ways.. isValidMaskPattern(maskPattern) && numTotalBytes == numDataBytes + numECBytes && // ByteMatrix stuff. matrix != null && matrixWidth == matrix.getWidth() && // See 7.3.1 of JISX0510:2004 (p.5). matrix.getWidth() == matrix.getHeight(); // Must be square. }
private static BitMatrix renderResult(QRCode code, int width, int height, int quietZone) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth + (quietZone * 2); int qrHeight = inputHeight + (quietZone * 2); int outputWidth = Math.max(width, qrWidth); int outputHeight = Math.max(height, qrHeight); int multiple = 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; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }