Java Code Examples for com.google.zxing.Result#getBarcodeFormat()

private static Result translateResultPoints(Result result, int xOffset, int yOffset) {
  ResultPoint[] oldResultPoints = result.getResultPoints();
  if (oldResultPoints == null) {
    return result;
  }
  ResultPoint[] newResultPoints = new ResultPoint[oldResultPoints.length];
  for (int i = 0; i < oldResultPoints.length; i++) {
    ResultPoint oldPoint = oldResultPoints[i];
    if (oldPoint != null) {
      newResultPoints[i] = new ResultPoint(oldPoint.getX() + xOffset, oldPoint.getY() + yOffset);
    }
  }
  Result newResult = new Result(result.getText(),
                                result.getRawBytes(),
                                result.getNumBits(),
                                newResultPoints,
                                result.getBarcodeFormat(),
                                result.getTimestamp());
  newResult.putAllMetadata(result.getResultMetadata());
  return newResult;
}
 

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
 *
 * @param barcode   A bitmap of the captured image.
 * @param scaleFactor amount by which thumbnail was scaled
 * @param rawResult The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult) {
  ResultPoint[] points = rawResult.getResultPoints();
  if (points != null && points.length > 0) {
    Canvas canvas = new Canvas(barcode);
    Paint paint = new Paint();
    paint.setColor(getResources().getColor(R.color.result_points));
    if (points.length == 2) {
      paint.setStrokeWidth(4.0f);
      drawLine(canvas, paint, points[0], points[1], scaleFactor);
    } else if (points.length == 4 &&
               (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A ||
                rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
      // Hacky special case -- draw two lines, for the barcode and metadata
      drawLine(canvas, paint, points[0], points[1], scaleFactor);
      drawLine(canvas, paint, points[2], points[3], scaleFactor);
    } else {
      paint.setStrokeWidth(10.0f);
      for (ResultPoint point : points) {
        if (point != null) {
          canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
        }
      }
    }
  }
}
 

private static Result translateResultPoints(Result result, int xOffset, int yOffset) {
  ResultPoint[] oldResultPoints = result.getResultPoints();
  if (oldResultPoints == null) {
    return result;
  }
  ResultPoint[] newResultPoints = new ResultPoint[oldResultPoints.length];
  for (int i = 0; i < oldResultPoints.length; i++) {
    ResultPoint oldPoint = oldResultPoints[i];
    if (oldPoint != null) {
      newResultPoints[i] = new ResultPoint(oldPoint.getX() + xOffset, oldPoint.getY() + yOffset);
    }
  }
  Result newResult = new Result(result.getText(), result.getRawBytes(), newResultPoints, result.getBarcodeFormat());
  newResult.putAllMetadata(result.getResultMetadata());
  return newResult;
}
 

@Override
public void handleResult(Result rawResult) {
    if ((rawResult.getBarcodeFormat() == BarcodeFormat.QR_CODE)) {
        if (onScannedListener.onScanned(rawResult.getText())) {
            return;
        } else {
            Toast.makeText(getActivity(), getString(R.string.send_qr_address_invalid), Toast.LENGTH_SHORT).show();
        }
    } else {
        Toast.makeText(getActivity(), getString(R.string.send_qr_invalid), Toast.LENGTH_SHORT).show();
    }

    // Note from dm77:
    // * Wait 2 seconds to resume the preview.
    // * On older devices continuously stopping and resuming camera preview can result in freezing the app.
    // * I don't know why this is the case but I don't have the time to figure out.
    Handler handler = new Handler();
    handler.postDelayed(new

                                Runnable() {
                                    @Override
                                    public void run() {
                                        mScannerView.resumeCameraPreview(ScannerFragment.this);
                                    }
                                }, 2000);
}
 

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
 *
 * @param barcode   A bitmap of the captured image.
 * @param scaleFactor amount by which thumbnail was scaled
 * @param rawResult The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult) {
  ResultPoint[] points = rawResult.getResultPoints();
  if (points != null && points.length > 0) {
    Canvas canvas = new Canvas(barcode);
    Paint paint = new Paint();
    paint.setColor(getResources().getColor(R.color.result_points));
    if (points.length == 2) {
      paint.setStrokeWidth(4.0f);
      drawLine(canvas, paint, points[0], points[1], scaleFactor);
    } else if (points.length == 4 &&
               (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A ||
                rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
      // Hacky special case -- draw two lines, for the barcode and metadata
      drawLine(canvas, paint, points[0], points[1], scaleFactor);
      drawLine(canvas, paint, points[2], points[3], scaleFactor);
    } else {
      paint.setStrokeWidth(10.0f);
      for (ResultPoint point : points) {
        if (point != null) {
          canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
        }
      }
    }
  }
}
 

@Override
public ProductParsedResult parse(Result result) {
  BarcodeFormat format = result.getBarcodeFormat();
  if (!(format == BarcodeFormat.UPC_A || format == BarcodeFormat.UPC_E ||
        format == BarcodeFormat.EAN_8 || format == BarcodeFormat.EAN_13)) {
    return null;
  }
  String rawText = getMassagedText(result);
  if (!isStringOfDigits(rawText, rawText.length())) {
    return null;
  }
  // Not actually checking the checksum again here    

  String normalizedProductID;
  // Expand UPC-E for purposes of searching
  if (format == BarcodeFormat.UPC_E && rawText.length() == 8) {
    normalizedProductID = UPCEReader.convertUPCEtoUPCA(rawText);
  } else {
    normalizedProductID = rawText;
  }

  return new ProductParsedResult(rawText, normalizedProductID);
}
 

/**
 * See <a href="http://www.bisg.org/isbn-13/for.dummies.html">ISBN-13 For
 * Dummies</a>
 */
@Override
public ISBNParsedResult parse(Result result) {
	BarcodeFormat format = result.getBarcodeFormat();
	if (format != BarcodeFormat.EAN_13) {
		return null;
	}
	String rawText = getMassagedText(result);
	int length = rawText.length();
	if (length != 13) {
		return null;
	}
	if (!rawText.startsWith("978") && !rawText.startsWith("979")) {
		return null;
	}

	return new ISBNParsedResult(rawText);
}
 

/**
 * See <a href="http://www.bisg.org/isbn-13/for.dummies.html">ISBN-13 For Dummies</a>
 */
@Override
public ISBNParsedResult parse(Result result) {
  BarcodeFormat format = result.getBarcodeFormat();
  if (format != BarcodeFormat.EAN_13) {
    return null;
  }
  String rawText = getMassagedText(result);
  int length = rawText.length();
  if (length != 13) {
    return null;
  }
  if (!rawText.startsWith("978") && !rawText.startsWith("979")) {
    return null;
  }
 
  return new ISBNParsedResult(rawText);
}
 

private static Result a(Result result, int i, int j)
{
    ResultPoint aresultpoint[] = result.getResultPoints();
    if (aresultpoint == null)
    {
        return result;
    }
    ResultPoint aresultpoint1[] = new ResultPoint[aresultpoint.length];
    for (int k = 0; k < aresultpoint.length; k++)
    {
        ResultPoint resultpoint = aresultpoint[k];
        aresultpoint1[k] = new ResultPoint(resultpoint.getX() + (float)i, resultpoint.getY() + (float)j);
    }

    return new Result(result.getText(), result.getRawBytes(), aresultpoint1, result.getBarcodeFormat());
}
 

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of
 * the barcode.
 * 
 * @param barcode
 *            A bitmap of the captured image.
 * @param scaleFactor
 *            amount by which thumbnail was scaled
 * @param rawResult
 *            The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, float scaleFactor,
		Result rawResult) {
	ResultPoint[] points = rawResult.getResultPoints();
	if (points != null && points.length > 0) {
		Canvas canvas = new Canvas(barcode);
		Paint paint = new Paint();
		paint.setColor(getResources().getColor(R.color.result_points));
		if (points.length == 2) {
			paint.setStrokeWidth(4.0f);
			drawLine(canvas, paint, points[0], points[1], scaleFactor);
		} else if (points.length == 4
				&& (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A || rawResult
						.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
			// Hacky special case -- draw two lines, for the barcode and
			// metadata
			drawLine(canvas, paint, points[0], points[1], scaleFactor);
			drawLine(canvas, paint, points[2], points[3], scaleFactor);
		} else {
			paint.setStrokeWidth(10.0f);
			for (ResultPoint point : points) {
				if (point != null) {
					canvas.drawPoint(scaleFactor * point.getX(),
							scaleFactor * point.getY(), paint);
				}
			}
		}
	}
}
 

/**
 * 为结果图添加识别效果
 *
 * @param result      扫描结果
 * @param barcode     结果图片
 * @param scaleFactor 缩放比
 * @param color       颜色
 */
@SuppressWarnings("unused")
public static void addResultPoints(Result result, Bitmap barcode, float scaleFactor, int color) {
    ResultPoint[] points = result.getResultPoints();
    if (points != null && points.length > 0) {
        Canvas canvas = new Canvas(barcode);
        Paint paint = new Paint();
        paint.setColor(color);
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
        } else if (points.length == 4 &&
                (result.getBarcodeFormat() == BarcodeFormat.UPC_A ||
                        result.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
            // Hacky special case -- draw two lines, for the barcode and metadata
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
            drawLine(canvas, paint, points[2], points[3], scaleFactor);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                if (point != null) {
                    canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
                }
            }
        }
    }
}
 

@Override
public VINParsedResult parse(Result result) {
  if (result.getBarcodeFormat() != BarcodeFormat.CODE_39) {
    return null;
  }
  String rawText = result.getText();
  rawText = IOQ.matcher(rawText).replaceAll("").trim();
  if (!AZ09.matcher(rawText).matches()) {
    return null;
  }
  try {
    if (!checkChecksum(rawText)) {
      return null;
    }
    String wmi = rawText.substring(0, 3);
    return new VINParsedResult(rawText,
        wmi,
        rawText.substring(3, 9),
        rawText.substring(9, 17),
        countryCode(wmi),
        rawText.substring(3, 8),
        modelYear(rawText.charAt(9)),
        rawText.charAt(10),
        rawText.substring(11));
  } catch (IllegalArgumentException iae) {
    return null;
  }
}
 

@Override
public VINParsedResult parse(Result result) {
  if (result.getBarcodeFormat() != BarcodeFormat.CODE_39) {
    return null;
  }
  String rawText = result.getText();
  rawText = IOQ.matcher(rawText).replaceAll("").trim();
  if (!AZ09.matcher(rawText).matches()) {
    return null;
  }
  try {
    if (!checkChecksum(rawText)) {
      return null;
    }
    String wmi = rawText.substring(0, 3);
    return new VINParsedResult(rawText,
        wmi,
        rawText.substring(3, 9),
        rawText.substring(9, 17),
        countryCode(wmi),
        rawText.substring(3, 8),
        modelYear(rawText.charAt(9)),
        rawText.charAt(10),
        rawText.substring(11));
  } catch (IllegalArgumentException iae) {
    return null;
  }
}
 

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of
 * the barcode.
 *
 * @param barcode
 *            A bitmap of the captured image.
 * @param scaleFactor
 *            amount by which thumbnail was scaled
 * @param rawResult
 *            The decoded results which contains the points to draw.
 */
private static void drawResultPoints(Bitmap barcode, float scaleFactor,
        Result rawResult, int color) {
    ResultPoint[] points = rawResult.getResultPoints();
    if (points != null && points.length > 0) {
        Canvas canvas = new Canvas(barcode);
        Paint paint = new Paint();
        paint.setColor(color);
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
        } else if (points.length == 4
                && (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A || rawResult
                        .getBarcodeFormat() == BarcodeFormat.EAN_13)) {
            // Hacky special case -- draw two lines, for the barcode and metadata
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
            drawLine(canvas, paint, points[2], points[3], scaleFactor);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                if (point != null) {
                    canvas.drawPoint(scaleFactor * point.getX(),
                            scaleFactor * point.getY(), paint);
                }
            }
        }
    }
}
 

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
 *
 * @param barcode   A bitmap of the captured image.
 * @param rawResult The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, Result rawResult) {
  ResultPoint[] points = rawResult.getResultPoints();
  if (points != null && points.length > 0) {
    Canvas canvas = new Canvas(barcode);
    Paint paint = new Paint();
    paint.setColor(getResources().getColor(R.color.result_image_border));
    paint.setStrokeWidth(3.0f);
    paint.setStyle(Paint.Style.STROKE);
    Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
    canvas.drawRect(border, paint);

    paint.setColor(getResources().getColor(R.color.result_points));
    if (points.length == 2) {
      paint.setStrokeWidth(4.0f);
      drawLine(canvas, paint, points[0], points[1]);
    } else if (points.length == 4 &&
               (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A ||
                rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
      // Hacky special case -- draw two lines, for the barcode and metadata
      drawLine(canvas, paint, points[0], points[1]);
      drawLine(canvas, paint, points[2], points[3]);
    } else {
      paint.setStrokeWidth(10.0f);
      for (ResultPoint point : points) {
        canvas.drawPoint(point.getX(), point.getY(), paint);
      }
    }
  }
}
 

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
 *
 * @param barcode     A bitmap of the captured image.
 * @param scaleFactor amount by which thumbnail was scaled
 * @param rawResult   The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult) {
    ResultPoint[] points = rawResult.getResultPoints();
    if (points != null && points.length > 0) {
        Canvas canvas = new Canvas(barcode);
        Paint paint = new Paint();
        paint.setColor(getResources().getColor(R.color.result_points));
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
        } else if (points.length == 4 &&
                (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A ||
                        rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
            // Hacky special case -- draw two lines, for the barcode and metadata
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
            drawLine(canvas, paint, points[2], points[3], scaleFactor);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                if (point != null) {
                    canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(),
                            paint);
                }
            }
        }
    }
}
 

private void initDialogResult(Result result) {
    BarcodeFormat type = result.getBarcodeFormat();
    String realContent = result.getText();

    if (rxDialogSure == null) {
        rxDialogSure = new RxDialogSure(mContext);//提示弹窗
    }

    if (BarcodeFormat.QR_CODE.equals(type)) {
        rxDialogSure.setTitle("二维码扫描结果");
    } else if (BarcodeFormat.EAN_13.equals(type)) {
        rxDialogSure.setTitle("条形码扫描结果");
    } else {
        rxDialogSure.setTitle("扫描结果");
    }

    rxDialogSure.setContent(realContent);
    rxDialogSure.setSureListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            rxDialogSure.cancel();
        }
    });
    rxDialogSure.setOnCancelListener(new DialogInterface.OnCancelListener() {
        @Override
        public void onCancel(DialogInterface dialog) {
            if (handler != null) {
                // 连续扫描，不发送此消息扫描一次结束后就不能再次扫描
                handler.sendEmptyMessage(R.id.restart_preview);
            }
        }
    });

    if (!rxDialogSure.isShowing()) {
        rxDialogSure.show();
    }

    RxSPTool.putContent(mContext, RxConstants.SP_SCAN_CODE, RxDataTool.stringToInt(RxSPTool.getContent(mContext, RxConstants.SP_SCAN_CODE)) + 1 + "");
}
 

@Override
public Result decodeRow(int rowNumber,
                        BitArray row,
                        Map<DecodeHintType,?> hints) throws NotFoundException {
  // Compute this location once and reuse it on multiple implementations
  int[] startGuardPattern = UPCEANReader.findStartGuardPattern(row);
  for (UPCEANReader reader : readers) {
    Result result;
    try {
      result = reader.decodeRow(rowNumber, row, startGuardPattern, hints);
    } catch (ReaderException ignored) {
      continue;
    }
    // Special case: a 12-digit code encoded in UPC-A is identical to a "0"
    // followed by those 12 digits encoded as EAN-13. Each will recognize such a code,
    // UPC-A as a 12-digit string and EAN-13 as a 13-digit string starting with "0".
    // Individually these are correct and their readers will both read such a code
    // and correctly call it EAN-13, or UPC-A, respectively.
    //
    // In this case, if we've been looking for both types, we'd like to call it
    // a UPC-A code. But for efficiency we only run the EAN-13 decoder to also read
    // UPC-A. So we special case it here, and convert an EAN-13 result to a UPC-A
    // result if appropriate.
    //
    // But, don't return UPC-A if UPC-A was not a requested format!
    boolean ean13MayBeUPCA =
        result.getBarcodeFormat() == BarcodeFormat.EAN_13 &&
            result.getText().charAt(0) == '0';
    @SuppressWarnings("unchecked")      
    Collection<BarcodeFormat> possibleFormats =
        hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
    boolean canReturnUPCA = possibleFormats == null || possibleFormats.contains(BarcodeFormat.UPC_A);

    if (ean13MayBeUPCA && canReturnUPCA) {
      // Transfer the metdata across
      Result resultUPCA = new Result(result.getText().substring(1),
                                     result.getRawBytes(),
                                     result.getResultPoints(),
                                     BarcodeFormat.UPC_A);
      resultUPCA.putAllMetadata(result.getResultMetadata());
      return resultUPCA;
    }
    return result;
  }

  throw NotFoundException.getNotFoundInstance();
}
 

@Override
public Result decodeRow(int rowNumber,
                        BitArray row,
                        Map<DecodeHintType,?> hints) throws NotFoundException {
  // Compute this location once and reuse it on multiple implementations
  int[] startGuardPattern = UPCEANReader.findStartGuardPattern(row);
  for (UPCEANReader reader : readers) {
    try {
      Result result = reader.decodeRow(rowNumber, row, startGuardPattern, hints);
      // Special case: a 12-digit code encoded in UPC-A is identical to a "0"
      // followed by those 12 digits encoded as EAN-13. Each will recognize such a code,
      // UPC-A as a 12-digit string and EAN-13 as a 13-digit string starting with "0".
      // Individually these are correct and their readers will both read such a code
      // and correctly call it EAN-13, or UPC-A, respectively.
      //
      // In this case, if we've been looking for both types, we'd like to call it
      // a UPC-A code. But for efficiency we only run the EAN-13 decoder to also read
      // UPC-A. So we special case it here, and convert an EAN-13 result to a UPC-A
      // result if appropriate.
      //
      // But, don't return UPC-A if UPC-A was not a requested format!
      boolean ean13MayBeUPCA =
          result.getBarcodeFormat() == BarcodeFormat.EAN_13 &&
              result.getText().charAt(0) == '0';
      @SuppressWarnings("unchecked")
      Collection<BarcodeFormat> possibleFormats =
          hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
      boolean canReturnUPCA = possibleFormats == null || possibleFormats.contains(BarcodeFormat.UPC_A);

      if (ean13MayBeUPCA && canReturnUPCA) {
        // Transfer the metdata across
        Result resultUPCA = new Result(result.getText().substring(1),
                                       result.getRawBytes(),
                                       result.getResultPoints(),
                                       BarcodeFormat.UPC_A);
        resultUPCA.putAllMetadata(result.getResultMetadata());
        return resultUPCA;
      }
      return result;
    } catch (ReaderException ignored) {
      // continue
    }
  }

  throw NotFoundException.getNotFoundInstance();
}
 

@Override
public Result decodeRow(int rowNumber,
                        BitArray row,
                        Map<DecodeHintType,?> hints) throws NotFoundException {
  // Compute this location once and reuse it on multiple implementations
  int[] startGuardPattern = UPCEANReader.findStartGuardPattern(row);
  for (UPCEANReader reader : readers) {
    try {
      Result result = reader.decodeRow(rowNumber, row, startGuardPattern, hints);
      // Special case: a 12-digit code encoded in UPC-A is identical to a "0"
      // followed by those 12 digits encoded as EAN-13. Each will recognize such a code,
      // UPC-A as a 12-digit string and EAN-13 as a 13-digit string starting with "0".
      // Individually these are correct and their readers will both read such a code
      // and correctly call it EAN-13, or UPC-A, respectively.
      //
      // In this case, if we've been looking for both types, we'd like to call it
      // a UPC-A code. But for efficiency we only run the EAN-13 decoder to also read
      // UPC-A. So we special case it here, and convert an EAN-13 result to a UPC-A
      // result if appropriate.
      //
      // But, don't return UPC-A if UPC-A was not a requested format!
      boolean ean13MayBeUPCA =
          result.getBarcodeFormat() == BarcodeFormat.EAN_13 &&
              result.getText().charAt(0) == '0';
      @SuppressWarnings("unchecked")
      Collection<BarcodeFormat> possibleFormats =
          hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
      boolean canReturnUPCA = possibleFormats == null || possibleFormats.contains(BarcodeFormat.UPC_A);

      if (ean13MayBeUPCA && canReturnUPCA) {
        // Transfer the metdata across
        Result resultUPCA = new Result(result.getText().substring(1),
                                       result.getRawBytes(),
                                       result.getResultPoints(),
                                       BarcodeFormat.UPC_A);
        resultUPCA.putAllMetadata(result.getResultMetadata());
        return resultUPCA;
      }
      return result;
    } catch (ReaderException ignored) {
      // continue
    }
  }

  throw NotFoundException.getNotFoundInstance();
}