public static Bitmap bitmap(@Nonnull final String content, final int size) {
try {
final Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
hints.put(EncodeHintType.MARGIN, 0);
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
final BitMatrix result =
QR_CODE_WRITER.encode(content, BarcodeFormat.QR_CODE, size, size, hints);
final int width = result.getWidth();
final int height = result.getHeight();
final int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
final int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
}
}
final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
} catch (final WriterException x) {
log.info("problem creating qr code", x);
return null;
}
}
public static Bitmap cretaeBitmap(Context c, String str, Bitmap mBitmap) throws WriterException {
// 生成二维矩阵,编码时指定大小,不要生成了图片以后再进行缩放,这样会模糊导致识别失败
int qr_width = ScreenUtils.getScreenWidth(c) * 2 / 3;
int qr_height = qr_width;
BitMatrix matrix =
new MultiFormatWriter().encode(str, BarcodeFormat.QR_CODE, qr_width, qr_height);
// BitMatrix matrix = new MultiFormatWriter().encode(str, BarcodeFormat.QR_CODE, 300,
// 300);//如果要指定二维码的边框以及容错率，最好给encode方法增加一个参数：hints 一个Hashmap
int width = matrix.getWidth();
int height = matrix.getHeight();
// 二维矩阵转为一维像素数组,也就是一直横着排了
int halfW = width / 2;
int halfH = height / 2;
int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
if (x > halfW - Const.IMAGE_HALFWIDTH
&& x < halfW + Const.IMAGE_HALFWIDTH
&& y > halfH - Const.IMAGE_HALFWIDTH
&& y < halfH + Const.IMAGE_HALFWIDTH) {
pixels[y * width + x] =
mBitmap.getPixel(
x - halfW + Const.IMAGE_HALFWIDTH, y - halfH + Const.IMAGE_HALFWIDTH);
} else {
// 此处可以修改二维码的颜色，可以分别制定二维码和背景的颜色；
pixels[y * width + x] = matrix.get(x, y) ? 0xff000000 : 0xfffffff;
}
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
// 通过像素数组生成bitmap
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
public static Bitmap getMinimalQRCodeBitmap(String url) {
Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
hints.put(EncodeHintType.MARGIN, 5);
try {
final BitMatrix result = new QRCodeWriter().encode(url, BarcodeFormat.QR_CODE, 0, 0, hints);
final int width = result.getWidth();
final int height = result.getHeight();
final int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
final int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.WHITE;
}
}
final Bitmap smallBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
smallBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return smallBitmap;
} catch (final WriterException x) {
x.printStackTrace();
return null;
}
}
private static BitMatrix extractPureBits(BitMatrix bitmatrix) throws NotFoundException {
int ai[] = bitmatrix.getTopLeftOnBit();
int ai1[] = bitmatrix.getBottomRightOnBit();
if (ai == null || ai1 == null) {
throw NotFoundException.getNotFoundInstance();
}
int l = moduleSize(ai, bitmatrix);
int i1 = ai[1];
int i = ai1[1];
int j1 = ai[0];
int k1 = ((ai1[0] - j1) + 1) / l;
int l1 = ((i - i1) + 1) / l;
if (k1 <= 0 || l1 <= 0) {
throw NotFoundException.getNotFoundInstance();
}
int i2 = l >> 1;
BitMatrix bitmatrix1 = new BitMatrix(k1, l1);
for (int j = 0; j < l1; j++) {
for (int k = 0; k < k1; k++) {
if (bitmatrix.get(k * l + (j1 + i2), i1 + i2 + j * l)) {
bitmatrix1.set(k, j);
}
}
}
return bitmatrix1;
}
public BufferedImage getQRCode(String codeText, Integer size) {
try {
Hashtable<EncodeHintType, ErrorCorrectionLevel> hintMap = new Hashtable<>();
hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
QRCodeWriter qrCodeWriter = new QRCodeWriter();
byteMatrix = qrCodeWriter.encode(codeText, BarcodeFormat.QR_CODE, size, size, hintMap);
int imageWidth = byteMatrix.getWidth();
image = new BufferedImage(imageWidth, imageWidth, BufferedImage.TYPE_INT_RGB);
image.createGraphics();
Graphics2D graphics = (Graphics2D) image.getGraphics();
graphics.setColor(Color.WHITE);
graphics.fillRect(0, 0, imageWidth, imageWidth);
graphics.setColor(Color.BLACK);
for (int i = 0; i < imageWidth; i++) {
for (int j = 0; j < imageWidth; j++) {
if (byteMatrix.get(i, j)) {
graphics.fillRect(i, j, 1, 1);
}
}
}
return image;
} catch (WriterException e) {
return null;
}
}
// 要转换的地址或字符串,可以是中文
public void createQRImage(String url) {
try {
// 判断URL合法性
if (url == null || "".equals(url) || url.length() < 1) {
return;
}
Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
// 图像数据转换，使用了矩阵转换
BitMatrix bitMatrix =
new QRCodeWriter().encode(url, BarcodeFormat.QR_CODE, QR_WIDTH, QR_HEIGHT, hints);
int[] pixels = new int[QR_WIDTH * QR_HEIGHT];
// 下面这里按照二维码的算法，逐个生成二维码的图片，
// 两个for循环是图片横列扫描的结果
for (int y = 0; y < QR_HEIGHT; y++) {
for (int x = 0; x < QR_WIDTH; x++) {
if (bitMatrix.get(x, y)) {
pixels[y * QR_WIDTH + x] = 0xff000000;
} else {
pixels[y * QR_WIDTH + x] = 0xffffffff;
}
}
}
// 生成二维码图片的格式，使用ARGB_8888
Bitmap bitmap = Bitmap.createBitmap(QR_WIDTH, QR_HEIGHT, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, QR_WIDTH, 0, 0, QR_WIDTH, QR_HEIGHT);
// 显示到一个ImageView上面
sweepIV.setImageBitmap(bitmap);
} catch (WriterException e) {
e.printStackTrace();
}
}
private static MatrixToImageResult matrixToImage(BitMatrix matrix, BarcodeFormat type) {
if (matrix != null) {
try {
int width = matrix.getWidth();
int height = matrix.getHeight();
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
int onColor = 0xFF000000;
int offColor = 0xFFFFFFFF;
int[] pixels = new int[width * height];
int index = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
pixels[index++] = matrix.get(x, y) ? onColor : offColor;
}
}
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
File file =
new File(
Extension.mainContext.getApplicationInfo().dataDir,
"code_" + type.toString() + ".jpg");
FileOutputStream out = new FileOutputStream(file);
if (bitmap.compress(Bitmap.CompressFormat.PNG, 100, out)) {
out.flush();
out.close();
return new MatrixToImageResult(true, file.getAbsolutePath());
} else return new MatrixToImageResult(false, null);
} catch (Exception e) {
e.printStackTrace();
return new MatrixToImageResult(false, null);
}
}
return new MatrixToImageResult(false, null);
}
public final BitMatrix sampleGrid(
BitMatrix bitmatrix, int i, int j, PerspectiveTransform perspectivetransform)
throws NotFoundException {
if (i <= 0 || j <= 0) {
throw NotFoundException.getNotFoundInstance();
}
BitMatrix bitmatrix1 = new BitMatrix(i, j);
float af[] = new float[i << 1];
for (i = 0; i < j; i++) {
int i1 = af.length;
float f = i;
for (int k = 0; k < i1; k += 2) {
af[k] = (float) (k >> 1) + 0.5F;
af[k + 1] = f + 0.5F;
}
perspectivetransform.transformPoints(af);
checkAndNudgePoints(bitmatrix, af);
int l = 0;
while (l < i1) {
try {
if (bitmatrix.get((int) af[l], (int) af[l + 1])) {
bitmatrix1.set(l >> 1, i);
}
}
// Misplaced declaration of an exception variable
catch (BitMatrix bitmatrix) {
throw NotFoundException.getNotFoundInstance();
}
l += 2;
}
}
return bitmatrix1;
}
private Bitmap createBitmap(String content, final int size) {
final Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
hints.put(EncodeHintType.MARGIN, 0);
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
BitMatrix result;
try {
result = sQRCodeWriter.encode(content, BarcodeFormat.QR_CODE, size, size, hints);
} catch (WriterException ex) {
mLogger.warn("qr encoder failed: " + ex.toString());
return null;
}
final int width = result.getWidth();
final int height = result.getHeight();
final int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
final int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
}
}
final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
public Bitmap encodeAsBitmap() throws WriterException {
if (!encoded) return null;
Map<EncodeHintType, Object> hints = null;
String encoding = guessAppropriateEncoding(contents);
if (encoding != null) {
hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
hints.put(EncodeHintType.CHARACTER_SET, encoding);
}
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result = writer.encode(contents, format, dimension, dimension, hints);
int width = result.getWidth();
int height = result.getHeight();
int[] pixels = new int[width * height];
// All are 0, or black, by default
for (int y = 0; y < height; y++) {
int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
public Bitmap encodeAsBitmap() throws WriterException {
String contentsToEncode = contents;
if (contentsToEncode == null) {
return null;
}
Map<EncodeHintType, Object> hints = null;
String encoding = guessAppropriateEncoding(contentsToEncode);
if (encoding != null) {
hints = new EnumMap<>(EncodeHintType.class);
hints.put(EncodeHintType.CHARACTER_SET, encoding);
}
BitMatrix result;
try {
result =
new MultiFormatWriter().encode(contentsToEncode, format, dimension, dimension, hints);
} catch (IllegalArgumentException iae) {
// Unsupported format
return null;
}
int width = result.getWidth();
int height = result.getHeight();
int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
protected Bitmap createQrCodeBitmap(String input, int size) {
Log.d(Config.LOGTAG, "qr code requested size: " + size);
try {
final QRCodeWriter QR_CODE_WRITER = new QRCodeWriter();
final Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
final BitMatrix result =
QR_CODE_WRITER.encode(input, BarcodeFormat.QR_CODE, size, size, hints);
final int width = result.getWidth();
final int height = result.getHeight();
final int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
final int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
}
}
final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Log.d(Config.LOGTAG, "output size: " + width + "x" + height);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
} catch (final WriterException e) {
return null;
}
}
private void testMask(DataMask mask, int dimension, MaskCondition condition) {
BitMatrix bits = new BitMatrix(dimension);
mask.unmaskBitMatrix(bits, dimension);
for (int i = 0; i < dimension; i++) {
for (int j = 0; j < dimension; j++) {
assertEquals("(" + i + ',' + j + ')', condition.isMasked(i, j), bits.get(j, i));
}
}
}
private static BufferedImage toBufferedImage(BitMatrix matrix) {
int width = matrix.getWidth();
int height = matrix.getHeight();
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE);
}
}
return image;
}
{
if (i > j)
{
break; /* Loop/switch isn't completed */
}
if (image.get(k, i))
{
continue; /* Loop/switch isn't completed */
}
i++;
} while (true);
public void encode(String str, String path, int width, int height) {
try {
Map hints = new HashMap();
hints.put(EncodeHintType.MARGIN, 0);
// hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
BitMatrix byteMatrix =
new MultiFormatWriter().encode(str, BarcodeFormat.QR_CODE, width, height, hints);
/** tianboalei 2015-1-22 去掉生成二维码时周围的白圈 */
// 1
int[] rec = byteMatrix.getEnclosingRectangle();
int resWidth = rec[2] + 1;
int resHeight = rec[3] + 1;
BitMatrix resMatrix = new BitMatrix(resWidth, resHeight);
resMatrix.clear();
for (int i = 0; i < resWidth; i++) {
for (int j = 0; j < resHeight; j++) {
if (byteMatrix.get(i + rec[0], j + rec[1])) {
resMatrix.set(i, j);
}
}
}
// 2
int widthT = resMatrix.getWidth();
int heightT = resMatrix.getHeight();
BufferedImage image = new BufferedImage(widthT, heightT, BufferedImage.TYPE_INT_ARGB);
for (int x = 0; x < widthT; x++) {
for (int y = 0; y < heightT; y++) {
image.setRGB(
x, y, resMatrix.get(x, y) == true ? Color.BLACK.getRGB() : Color.WHITE.getRGB());
}
}
/** 去掉二维码周围白圈结束 */
File file = new File(path);
writeToFile(resMatrix, "png", file);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Convert the symbols in the row to codewords. Each PDF417 symbol character consists of four bar
* elements and four space elements, each of which can be one to six modules wide. The four bar
* and four space elements shall measure 17 modules in total.
*
* @param rowNumber the current row number of codewords.
* @param codewords the codeword array to save codewords into.
* @param next the next available index into the codewords array.
* @return the next available index into the codeword array after processing this row.
*/
int processRow(int rowNumber, int[] codewords, int next) throws FormatException {
int width = bitMatrix.getWidth();
int columnNumber = 0;
long symbol = 0;
for (int i = 0; i < width; i += MODULES_IN_SYMBOL) {
for (int mask = MODULES_IN_SYMBOL - 1; mask >= 0; mask--) {
if (bitMatrix.get(i + (MODULES_IN_SYMBOL - 1 - mask), rowNumber)) {
symbol |= 1L << mask;
}
}
if (columnNumber > 0) {
int cw = getCodeword(symbol);
if (cw < 0 && i < width - MODULES_IN_SYMBOL) {
// Skip errors on the Right row indicator column
if (eraseCount >= erasures.length) {
throw FormatException.getFormatInstance();
}
erasures[eraseCount] = next;
next++;
eraseCount++;
} else {
if (next >= codewords.length) {
throw FormatException.getFormatInstance();
}
codewords[next++] = cw;
}
} else {
// Left row indicator column
int cw = getCodeword(symbol);
if (ecLevel < 0 && rowNumber % 3 == 1) {
leftColumnECData = cw;
}
}
symbol = 0;
// columns = columnNumber;
columnNumber++;
}
if (columnNumber > 1) {
// Right row indicator column is in codeword[next]
// columns--;
// Overwrite the last codeword i.e. Right Row Indicator
--next;
if (ecLevel < 0 && rowNumber % 3 == 2) {
rightColumnECData = codewords[next];
if (rightColumnECData == leftColumnECData && leftColumnECData > 0) {
// ecLevel = ((rightColumnECData % 30) - rows % 3) / 3;
ecLevel = (rightColumnECData % 30) / 3;
}
}
codewords[next] = 0;
}
return next;
}
/**
* Counts the number of black/white transitions between two points, using something like
* Bresenham's algorithm.
*/
private ResultPointsAndTransitions transitionsBetween(ResultPoint from, ResultPoint to) {
// See QR Code Detector, sizeOfBlackWhiteBlackRun()
int fromX = (int) from.getX();
int fromY = (int) from.getY();
int toX = (int) to.getX();
int toY = (int) to.getY();
boolean steep = Math.abs(toY - fromY) > Math.abs(toX - fromX);
if (steep) {
int temp = fromX;
fromX = fromY;
fromY = temp;
temp = toX;
toX = toY;
toY = temp;
}
int dx = Math.abs(toX - fromX);
int dy = Math.abs(toY - fromY);
int error = -dx >> 1;
int ystep = fromY < toY ? 1 : -1;
int xstep = fromX < toX ? 1 : -1;
int transitions = 0;
boolean inBlack = image.get(steep ? fromY : fromX, steep ? fromX : fromY);
for (int x = fromX, y = fromY; x != toX; x += xstep) {
boolean isBlack = image.get(steep ? y : x, steep ? x : y);
if (isBlack != inBlack) {
transitions++;
inBlack = isBlack;
}
error += dy;
if (error > 0) {
if (y == toY) {
break;
}
y += ystep;
error -= dx;
}
}
return new ResultPointsAndTransitions(from, to, transitions);
}
/**
* This method detects a code in a "pure" image -- that is, pure monochrome image which contains
* only an unrotated, unskewed, image of a code, with some white border around it. This is a
* specialized method that works exceptionally fast in this special case.
*
* @see com.google.zxing.pdf417.PDF417Reader#extractPureBits(BitMatrix)
* @see com.google.zxing.datamatrix.DataMatrixReader#extractPureBits(BitMatrix)
*/
private static BitMatrix extractPureBits(BitMatrix image) throws NotFoundException {
int[] leftTopBlack = image.getTopLeftOnBit();
int[] rightBottomBlack = image.getBottomRightOnBit();
if (leftTopBlack == null || rightBottomBlack == null) {
throw NotFoundException.getNotFoundInstance();
}
int moduleSize = moduleSize(leftTopBlack, image);
int top = leftTopBlack[1];
int bottom = rightBottomBlack[1];
int left = leftTopBlack[0];
int right = rightBottomBlack[0];
if (bottom - top != right - left) {
// Special case, where bottom-right module wasn't black so we found
// something else in
// the last row
// Assume it's a square, so use height as the width
right = left + (bottom - top);
}
int matrixWidth = (right - left + 1) / moduleSize;
int matrixHeight = (bottom - top + 1) / moduleSize;
if (matrixWidth <= 0 || matrixHeight <= 0) {
throw NotFoundException.getNotFoundInstance();
}
if (matrixHeight != matrixWidth) {
// Only possibly decode square regions
throw NotFoundException.getNotFoundInstance();
}
// Push in the "border" by half the module width so that we start
// sampling in the middle of the module. Just in case the image is a
// little off, this will help recover.
int nudge = moduleSize >> 1;
top += nudge;
left += nudge;
// Now just read off the bits
BitMatrix bits = new BitMatrix(matrixWidth, matrixHeight);
for (int y = 0; y < matrixHeight; y++) {
int iOffset = top + y * moduleSize;
for (int x = 0; x < matrixWidth; x++) {
if (image.get(left + x * moduleSize, iOffset)) {
bits.set(x, y);
}
}
}
return bits;
}
public static BufferedImage get2CodeImage(String url) throws Exception {
BitMatrix bitMatrix =
new MultiFormatWriter().encode(url, BarcodeFormat.QR_CODE, 300, 300, getEncodeHints());
int height = bitMatrix.getHeight();
int width = bitMatrix.getWidth();
BufferedImage qrCodeImg = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
qrCodeImg.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF);
}
}
return qrCodeImg;
}
private static int moduleSize(int ai[], BitMatrix bitmatrix) throws NotFoundException {
int j = bitmatrix.getWidth();
int i = ai[0];
for (int k = ai[1]; i < j && bitmatrix.get(i, k); i++) {}
if (i == j) {
throw NotFoundException.getNotFoundInstance();
}
i -= ai[0];
if (i == 0) {
throw NotFoundException.getNotFoundInstance();
} else {
return i;
}
}
public static Bitmap generate(String data) throws WriterException {
Bitmap bmp;
QRCodeWriter writer = new QRCodeWriter();
BitMatrix bitMatrix = writer.encode(data, BarcodeFormat.QR_CODE, 512, 512);
int width = bitMatrix.getWidth();
int height = bitMatrix.getHeight();
bmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
bmp.setPixel(x, y, bitMatrix.get(x, y) ? Color.BLACK : Color.WHITE);
}
}
return bmp;
}
/*
* 去白边
*/
public static BitMatrix deleteWhite(BitMatrix matrix) {
int[] rec = matrix.getEnclosingRectangle();
int resWidth = rec[2] + 1;
int resHeight = rec[3] + 1;
BitMatrix resMatrix = new BitMatrix(resWidth, resHeight);
resMatrix.clear();
for (int i = 0; i < resWidth; i++) {
for (int j = 0; j < resHeight; j++) {
if (matrix.get(i + rec[0], j + rec[1])) resMatrix.set(i, j);
}
}
return resMatrix;
}
private float crossCheckHorizontal(int paramInt1, int paramInt2, int paramInt3, int paramInt4)
{
BitMatrix localBitMatrix = this.image;
int i = localBitMatrix.getWidth();
int[] arrayOfInt = getCrossCheckStateCount();
for (int j = paramInt1; (j >= 0) && (localBitMatrix.get(j, paramInt2)); j--) {
arrayOfInt[2] = (1 + arrayOfInt[2]);
}
if (j < 0) {
return (0.0F / 0.0F);
}
while ((j >= 0) && (!localBitMatrix.get(j, paramInt2)) && (arrayOfInt[1] <= paramInt3))
{
arrayOfInt[1] = (1 + arrayOfInt[1]);
j--;
}
if ((j < 0) || (arrayOfInt[1] > paramInt3)) {
return (0.0F / 0.0F);
}
while ((j >= 0) && (localBitMatrix.get(j, paramInt2)) && (arrayOfInt[0] <= paramInt3))
{
arrayOfInt[0] = (1 + arrayOfInt[0]);
j--;
}
if (arrayOfInt[0] > paramInt3) {
return (0.0F / 0.0F);
}
for (int k = paramInt1 + 1; (k < i) && (localBitMatrix.get(k, paramInt2)); k++) {
arrayOfInt[2] = (1 + arrayOfInt[2]);
}
if (k == i) {
return (0.0F / 0.0F);
}
while ((k < i) && (!localBitMatrix.get(k, paramInt2)) && (arrayOfInt[3] < paramInt3))
{
arrayOfInt[3] = (1 + arrayOfInt[3]);
k++;
}
if ((k == i) || (arrayOfInt[3] >= paramInt3)) {
return (0.0F / 0.0F);
}
while ((k < i) && (localBitMatrix.get(k, paramInt2)) && (arrayOfInt[4] < paramInt3))
{
arrayOfInt[4] = (1 + arrayOfInt[4]);
k++;
}
if (arrayOfInt[4] >= paramInt3) {
return (0.0F / 0.0F);
}
if (5 * Math.abs(arrayOfInt[0] + arrayOfInt[1] + arrayOfInt[2] + arrayOfInt[3] + arrayOfInt[4] - paramInt4) >= paramInt4) {
return (0.0F / 0.0F);
}
if (foundPatternCross(arrayOfInt)) {
return centerFromEnd(arrayOfInt, k);
}
return (0.0F / 0.0F);
}
byte[] readCodewords() {
byte[] result = new byte[144];
int height = bitMatrix.getHeight();
int width = bitMatrix.getWidth();
for (int y = 0; y < height; y++) {
int[] bitnrRow = BITNR[y];
for (int x = 0; x < width; x++) {
int bit = bitnrRow[x];
if (bit >= 0 && bitMatrix.get(x, y)) {
result[bit / 6] |= (byte) (1 << (5 - (bit % 6)));
}
}
}
return result;
}
public Bitmap createBitmap(BitMatrix matrix) {
int width = matrix.getWidth();
int height = matrix.getHeight();
int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
int offset = y * width;
for (int x = 0; x < width; x++) {
pixels[offset + x] = matrix.get(x, y) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
return bitmap;
}
public Bitmap generateQRCodeBitmap(String data) throws WriterException {
BitMatrix bitMatrix = new QRCodeWriter().encode(data, BarcodeFormat.QR_CODE, 600, 600);
int width = bitMatrix.getWidth();
int height = bitMatrix.getHeight();
int[] pixels = new int[width * height];
for (int y = 0; y < height; y++) {
int offset = y * width;
for (int x = 0; x < width; x++)
pixels[offset + x] = bitMatrix.get(x, y) ? 0xFF000000 : 0xFFFFFFFF;
}
Bitmap bitmap = Bitmap.createBitmap(pixels, width, height, Bitmap.Config.ARGB_8888);
return bitmap;
}
private static int moduleSize(int[] leftTopBlack, BitMatrix image) throws NotFoundException {
int width = image.getWidth();
int x = leftTopBlack[0];
int y = leftTopBlack[1];
while (x < width && image.get(x, y)) {
x++;
}
if (x == width) {
throw NotFoundException.getNotFoundInstance();
}
int moduleSize = x - leftTopBlack[0];
if (moduleSize == 0) {
throw NotFoundException.getNotFoundInstance();
}
return moduleSize;
}
private static BitMatrix updateBit(BitMatrix matrix, int margin) {
int tempM = margin * 2;
int[] rec = matrix.getEnclosingRectangle(); // 获取二维码图案的属性
int resWidth = rec[2] + tempM;
int resHeight = rec[3] + tempM;
BitMatrix resMatrix = new BitMatrix(resWidth, resHeight); // 按照自定义边框生成新的BitMatrix
resMatrix.clear();
for (int i = margin; i < resWidth - margin; i++) { // 循环，将二维码图案绘制到新的bitMatrix中
for (int j = margin; j < resHeight - margin; j++) {
if (matrix.get(i - margin + rec[0], j - margin + rec[1])) {
resMatrix.set(i, j);
}
}
}
return resMatrix;
}
public static int[] generateQR(String text, int dimension) {
QRCodeWriter qrCodeWriter = new QRCodeWriter();
BitMatrix matrix = null;
try {
matrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, dimension, dimension);
} catch (WriterException e) {
e.printStackTrace();
}
int[] pixels = new int[dimension * dimension];
for (int y = 0; y < dimension; y++) {
int offset = y * dimension;
for (int x = 0; x < dimension; x++) {
if (matrix.get(x, y)) pixels[offset + x] = Color.BLACK;
else pixels[offset + x] = Color.WHITE;
}
}
return pixels;
}
